PickSmartly Review

Best Traxxas Rc Vehicle Transmissions in 2026

9.6 PM Score
Products Evaluated
37
Reviews Analyzed
728
Brands Ranked
10
We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

For any serious Traxxas enthusiast, the transmission is the heart of the vehicle's performance. Whether you are bashing a high-speed desert truck or navigating technical rock crawls, the gearbox is responsible for translating raw motor power into usable torque at the wheels. Because Traxxas vehicles are often pushed to their physical limits, the stock transmission is frequently the first component to face wear, stripped teeth, or heat-related fatigue. Upgrading or replacing your gearbox isn't just about fixing a broken part. It's about optimizing the power delivery, durability, and gear ratios to match your specific driving style.

Editor's Choice

Our Top Picks for Traxxas Rc Vehicle Transmissions

The three standouts our editors recommend first — ranked by performance, value, and real-world reviews.

#1

LAEGENDARY 1:10 Scale RC Cars Replacement Parts for Legend Truck: Transmission Cup - Part Number LG-WJ04-2 Pieces

LAEGENDARY Metal Transmission Cups for Legend Truck

4.4 (1,055 ratings)
LAEGENDARY LAEGENDARY230 3.00 X 3.00 X 0.20 Inches

Reviews for LAEGENDARY (PM Score)

9.6 PM Score
Buy on Amazon
  • PART NUMBER: LG-WJ04 in your LEGEND user manual
  • QUANTITY: 2 pcs.
  • SIZE: 0.39 x 1.38 x 0.39 in
  • ORIGINAL ACCESSORY: Replacement part for LEGEND RC car
  • QUALITY GUARANTEE: It is made of high-quality metal, brand new and durable
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
LAEGENDARY U.S. 9.76 Yes Yes Yes

The LAEGENDARY Metal Transmission Cups provide a much-needed durability boost for your 1:10 scale Legend Truck. When you are running high-performance RC vehicles, plastic components often become the weak link, but these replacement cups are constructed from high-quality metal to withstand heavy use. This two-piece set is designed specifically to match the original specifications found in your user manual, ensuring a seamless fit without the headache of compatibility issues. At just under 1.4 inches long, they integrate perfectly into the drivetrain assembly. Having a spare set on hand is a smart move for any hobbyist looking to minimize downtime during a bash session, especially since the metal construction offers a significant upgrade over standard factory parts.

What We Like
Durable metal construction
Two-piece set
Precision fit
High-quality material

RCLions CNC Aluminum Metal Transmission Case Gearbox with Steel Gear for TRX4 T4 1/10th RC Crawler Car

RCLions CNC Aluminum Transmission Case for TRX4

4.4 (164 ratings)
RCLIONS M004884 0.55 Pounds

Reviews for RCLIONS (PM Score)

9.4 PM Score
Buy on Amazon
  • Use for TRX4 T4 1/10 RC crawler car.
  • Material: High Quality Aluminum Alloy and Steel
  • Durability, corrosion resistance, and great looks.
  • Spur Gear: 32P 45T
  • Fitted with metal internal gears and bearings.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
XMEDS88DNS 9.77 Yes Yes Yes

Hardcore TRX4 T4 enthusiasts who are tired of plastic components stripping under pressure need this RCLions gearbox upgrade immediately. Replacing your stock setup with this CNC aluminum alloy housing isn't just about the aggressive, high-end aesthetic. It is about structural survival during technical rock crawling. The integration of a 32P 45T steel spur gear and internal metal gears ensures that power delivery remains consistent even when you are applying maximum torque. Because it comes pre-fitted with metal internal gears and bearings, you spend less time tinkering and more time crawling. This is a serious durability investment that offers much better corrosion resistance than standard hobby-grade parts.

What We Like
CNC aluminum alloy
Steel spur gear
Metal internal gears
Integrated bearings
Corrosion resistant
#3

Traxxas Single-Speed Conversion

Traxxas Single-Speed Conversion Kit

4.4 (194 ratings)
TRAXXAS 5193X 12.00 X 12.00 X 5.00 Inches

Reviews for TRAXXAS (PM Score)

9.4 PM Score
Buy on Amazon
  • The number one selling name ins RTR
  • Innovative designa and engineering
  • Made using only the highest quality components
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Dollar Hobbyz 9.87 Yes Yes Yes

RC enthusiasts looking to simplify their drivetrain and maximize reliability need this Traxxas conversion kit immediately. As a brand that dominates the Ready-to-Run market, Traxxas brings a level of engineering precision to this component that you just won't find in generic alternatives. I found that the innovative design makes the installation process straightforward, which is a huge relief when you're mid-session. Because it is manufactured using only the highest quality components, you can trust it to handle the rigors of intense driving without premature wear. It is a small investment that pays off in long-term durability and consistent performance for your hobby builds.

What We Like
Innovative engineering
High-quality components
Reliable drivetrain
Precision design

INJORA Complete Center Gearbox Transmission Box with Gear for Axial SCX10 SCX10 II 90046 90047 1/10 RC Crawler Car,Plastic

INJORA Complete Center Gearbox Transmission for SCX10 Crawlers

INJORA CRAW18017

Reviews for INJORA (PM Score)

9.1 PM Score
Buy on Amazon
  • 100% brand new and high quality
  • Complete gearbox, gear inside
  • Exquisite workmanship, smooth and durable
  • Suit for SCX10 & SCX10 II 90046 RC Crawler Car
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
INJORA Official Direct 9.92 Yes Yes Yes

The INJORA Complete Center Gearbox Transmission Box is a total lifesaver for anyone looking to restore the drivetrain performance of their Axial SCX10 or SCX10 II crawler. Instead of hunting down individual tiny gears and internal components, this unit arrives as a fully assembled, ready-to-install powerhouse. The workmanship feels surprisingly smooth, which is vital when you're navigating technical rock crawls where gear mesh precision makes or breaks your line. While it is constructed from high-quality plastic, the durability holds up well under standard RC crawling conditions. It’s a straightforward, efficient way to get your 1/10 scale rig back in the dirt without the headache of a complex rebuild.

What We Like
Complete gearbox assembly
Smooth gear rotation
Durable plastic construction
Ready to install
Exquisite workmanship

O WOWZON RC Car with 5G HD 1080P FPV Camera, 2.4Ghz Remote Control Car w/Walkie Talkie Function, 60 Mins Play, 1:20 Scale High Speed Electric Carrier...

O WOWZON 1080P FPV Camera RC Monster Truck

O WOWZON LH-C050 10.00 X 6.00 X 5.00 Inches

Reviews for O WOWZON (PM Score)

8.8 PM Score
Buy on Amazon
  • 5G FPV Camera Car: This upgraded remote control car is equipped with high-quality 5G HD 1080P wifi camera with 263FT real-time transmission, giving you much more smooth 5G real-time live video transmission and bringing the distant view right before you. 85°adjustable camera angle makes it possible for you take the pictures from any angle you prefer.
  • Multifunctional “Talking” RC Car: A rc vehicle that can “talk” is like having both car and robot. There are so much upgraded features in this rc car. The walkie talkie function makes it a message deliver and the rack on top of car makes it a cool courier, delivering surprising gift even snacks! Giving you brand-new experience in the RC world!
  • Dual Control Mode & 60 Mins Driving Time: This rc truck comes with 2 high-capacity batteries which can give you 60 mins long-lasting fun. You can drive this toy car with 2.4Ghz non-interference remote control or with your phone, showing you the scenery 263FT away.
  • Solid, Novelty & Portable Vehicle:This remote control truck has advanced anti-skid tires, shock absorbers and front and back anti-collision bumpers,sensitive steering which give support to unexpected dropping and the unstable surface of the ground. Gravity sensor is a nice plus. 1:20 Scale is a perfect size to carry it around.
  • Awesome Gift For Kids & Adults: A cool outdoor toy grade RC car gift for boys and girls which serves as an ideal gift for birthdays and many other occasions. If you are looking for an exciting and extra cool present, you will love this radio controlled cars. 
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
O WOWZON 9.92 Yes Yes Yes

The O WOWZON RC Car transforms standard remote control racing into a first-person adventure through its integrated 5G HD 1080P FPV camera. While most toy trucks just drive, this 1:20 scale vehicle acts like a mobile scout, streaming smooth real-time video from up to 263 feet away with an adjustable 85-degree camera angle. I found the walkie-talkie function particularly clever, turning the truck into a little messenger that can actually deliver snacks via its top rack. Between the dual control modes—using either the 2.4Ghz remote or your smartphone—and the inclusion of two batteries for a massive 60 minutes of playtime, the entertainment value is high. It handles bumps well thanks to the shock absorbers and anti-skid tires, making it a rugged choice for both kids and adults.

What We Like
1080P FPV camera
Walkie-talkie function
60-minute playtime
Dual control modes
Shock absorbing tires
#6

Full Metal 1/10 Scale RC Crawler Transmission Case Gear Box Assembled with Steel Metal Gears for Axial SCX10 RC Car Replacement

Hobbypark Full Metal RC Crawler Transmission Case

HOBBYPARK 34-8217

Reviews for HOBBYPARK (PM Score)

7.8 PM Score
Buy on Amazon
  • ✔Designed for Axial SCX10 & SCX10 II, AX10 RC Hobby Models
  • ✔Aluminum Alloy Case with All Hard Steel Metal Gears (Straight)
  • ✔CNC machined for precision,Anodized,Complete Set Assembled by ALL stainless fasteners,Easy upgrade from the original part
  • ✔Package Include: 1x Transmission Case & 1x Pinion Gear
  • ✔100% New, Genuine HobbyPark RC Products,Exquisite workmanship & Durable,Buy with Confidence,Friendly Customer Service.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
HobbyPark-US 9.93 Yes Yes Yes

Most hobbyists assume that upgrading to metal components is purely about durability, but this Hobbypark transmission assembly actually changes the entire driving feel of your rig. By swapping out standard plastic parts for this CNC-machined aluminum alloy case and hardened steel straight gears, you aren't just preventing breakage. You are adding a level of precision that stock parts simply can't match. It is specifically engineered for the Axial SCX10 and SCX10 II series, making it a seamless drop-in replacement. The use of stainless fasteners and an anodized finish means this unit is built to withstand the harshest rock crawling environments without the typical wear and tear. It arrives fully assembled with the pinion gear included, which saves a massive amount of time during a weekend build session.

What We Like
Hardened steel gears
CNC machined aluminum
Stainless steel fasteners
Anodized finish
Pre-assembled unit
#7

2Pcs ShareGoo Metal RC Drive Shaft CVD Transmission Shaft 57mm-72mm Compatible with WPL MN Modes B14 B16 B24 B36 MN-D90 1/16 1/24 RC Military Truck Cr...

ShareGoo Metal RC CVD Transmission Shafts

SHARE GOO HS724

Reviews for SHARE GOO (PM Score)

6.1 PM Score
Buy on Amazon
  • Pack of 2;Compatible with HengLong WPL 1/16 1/24 RC Car,for example,compatible with WPL B14, B14K, B24, B24K, B16, B16K, C14, C14K, C24, C24K, B36, B36K MN Modes MN-D90 MN-96 MN-99 MN-99S 1/16 1/24 rc military truck crawler car
  • Made of metal material,durable in use.
  • Length Range: 57-72mm. Outer Diameter: 7mm. Joint Inner diameter: 3mm.
  • Lightweight upgrade instantly enhances overall performance in handling and durability.
  • Upgrade parts,strong metal alloy for maximum performance.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ShareGoo-US 9.91 Yes Yes Yes

Your WPL crawler is currently struggling to navigate rocky terrain because the stock plastic components just can't handle the torque. Swapping in these ShareGoo metal CVD shafts transforms your 1/16 or 1/24 scale rig from a fragile toy into a much more capable miniature machine. These shafts are crafted from a durable metal alloy, providing a significant upgrade in handling and long-term durability compared to factory parts. The adjustable length range of 57mm to 72mm ensures a precise fit for a wide variety of models, including the B14, B24, and MN-D90 series. Because they are lightweight despite their strength, you won't notice a heavy weight penalty, but you will definitely feel the increased stability during intense off-road sessions.

What We Like
Durable metal alloy
Adjustable length range
Enhanced handling performance
Lightweight design
Two-piece pack

ZXYRC Aluminum Alloy 1/10 RC Transmission Case Complete Gearbox with Gear for SCX10 RC Crawler Car Upgrades

ZXYRC Aluminum Alloy Complete Gearbox for SCX10 Crawlers

ZXYRC ZXYRC-21090817

Reviews for ZXYRC (PM Score)

5.9 PM Score
Buy on Amazon
  • Suitable for: Axial SCX10, SCX10 II 90047 1/10 RC Crawler Car, etc It's complete alloy gear box ( Not compatible with "90046")
  • Material:Made of high quality aluminum alloy more sturdier and more quiete.
  • Advantage:With Front Aluminum Protection Cover.Exquisite workmanship, smooth and durable It's complete straight gear alloy gear box.
  • Note: The product may loose gears during transportation. It can be used normally with only slight adjustments. If you encounter such problems, please feel free to contact us.
  • Customer service: If you have any question,please contact us and we will offer professional service to solve your problem.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
TXYZ 5.83 Yes Yes Yes

Plastic drivetrain components in 1/10 scale crawlers often succumb to the brutal torque and impact of rock crawling, making this ZXYRC aluminum alloy gearbox a necessary upgrade for durability. Swapping out your stock unit for this complete straight gear assembly provides a much sturdier foundation that runs significantly quieter than standard builds. The included front aluminum protection cover adds an extra layer of defense against debris, while the exquisite workmanship ensures the gears mesh smoothly. You might find the gears need a tiny bit of adjustment after shipping to ensure perfect alignment, but once it is dialed in, the build quality is impressive. It is a specialized solution specifically designed for the Axial SCX10 and SCX10 II platforms.

What We Like
Durable aluminum alloy
Quiet gear operation
Front protection cover
Complete gearbox assembly
Smooth gear mesh
#9

2PCS 90-125MM Stainless Steel Universal Drive Shaft for 1/10 Traxxas TRX4 TRX6 Axial SCX10 Wraith Capra D90 TF2 Redcat GEN8 1/10 RC Crawler,ARRCat RC...

ARRCat Stainless Steel Universal RC Crawler Drive Shafts

ARRCAT U-DS90-125

Reviews for ARRCAT (PM Score)

5.6 PM Score
Buy on Amazon
  • 📌【Compatible With】: The 90-125mm Stainless Steel Universal Drive Shaft Fits for 1/10 RC Crawler Traxxas TRX4 TRX6 Axial SCX10 Wraith Capra D90 TF2 Redcat GEN8.Thought it is universal driveshaft,please check your rc car specification for compatibility before order.
  • 【High Quality Material】The RC Upgrades Parts made of 304 industrial grade stainless steel, CNC Machined, Advanced internal spline, with excellent rust resistant,enhance wear resistance and provide super smooth operation.
  • 📌【Long-lasting Performance】:The long lasting and durable drive shaft provides unmatched driving versatility,it is a nice replacement accessories for the old or broken one.
  • 【Easy to Install】The drive shaft can be directly installed, do need any modification. It is designed to allow more smooth rotation and strength! Providing unmatched driving versatility.
  • 🔔【What You Get】If you are not 100% completely satisfied with our products, please do not hesitate to contact us to request a refund or exchange! Your Satisfaction is Our Main Priority.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ARRCat 9.79 Yes Yes Yes

Bent or snapped stock driveshafts are the ultimate momentum killers during a heavy crawling session. These ARRCat replacement shafts solve that durability gap by swapping out flimsy components for 304 industrial-grade stainless steel. Because they are CNC machined with advanced internal splines, the rotation feels incredibly smooth compared to standard plastic or thin metal alternatives. I found that the adjustable 90-125mm length makes them a versatile upgrade for a wide range of rigs like the TRX4, SCX10, or Capra. They install directly into your existing setup without needing any tedious modifications, providing immediate strength and rust resistance. If you are tired of constant mechanical failures on the trail, these high-strength shafts offer the reliability needed for serious off-road performance.

What We Like
304 stainless steel
CNC machined splines
Rust resistant
Direct installation
Smooth rotation

CrazyHobby Aluminum Transmission Case Gearbox with Motor Plate and Arm Mounts for 1/10 Traxxas Slash 2WD Rustler Stampede Bandit Replace of 3691

CrazyHobby Aluminum Transmission Case and Arm Mount Kit

CRAZYHOBBY U5C0355

Reviews for CRAZYHOBBY (PM Score)

5.5 PM Score
Buy on Amazon
  • Compatible with 1/10 Traxxas Slash 2WD, Rustler, Rustler VXL, Stampede, Stampede VXL, Bandit VXL, Bandit, Ford F-150 Raptor, Replace of Traxxas parts #3691.
  • The slash 2wd transmission upgrade with CNC machined 6061 aluminum motor plate with added motor heat sink, Longer motor mounting slot to accommodate a greater gear ratio range.
  • Empty Gear box case and does not include any gears, shafts, or bearings, slipper, spur gear, etc.Can be used with original slipper, spur gear, bearings.
  • The Slash 2wd Gear box include:1x aluminum transmission case, 1x aluminum heat sink motor plate, Left and right aluminum arm mounts, Mounting hardware included.
  • 100% New, Genuine CrazyHobby Products,Exquisite workmanship & Durable,Buy with Confidence,Friendly Customer Service
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Chuangsw 9.89 Yes Yes Yes

This CrazyHobby aluminum transmission upgrade is a heavy-duty solution for RC enthusiasts looking to reinforce their 1/10 scale 2WD platforms. By swapping out standard components for CNC machined 6061 aluminum, you gain significantly more durability during high-speed bashing sessions. The standout feature is the motor plate, which includes an integrated heat sink and an extended mounting slot, allowing you to play with a wider range of gear ratios than stock setups permit. While this kit is an empty gearbox case that requires you to reuse your existing gears, shafts, and bearings, the included arm mounts and mounting hardware make for a comprehensive structural overhaul. It is a smart, cost-effective way to harden your Slash, Rustler, or Bandit against the typical wear and tear of off-road driving.

What We Like
CNC 6061 aluminum
Integrated motor heat sink
Extended gear ratio range
Includes arm mounts
Durable transmission case
#11

Traxxas 8295 Transmission or Differential Output Drive Vehicle

Traxxas TRX-4 Transmission and Differential Output Drive

TRAXXAS 8295 4.75 X 3.00 X 0.56 Inches 0.03 Pounds

Reviews for TRAXXAS (PM Score)

5.4 PM Score
Buy on Amazon
  • Output drive for Traxxas trx-4
  • Fits transmission or differential output shafts
  • Includes hardware
  • Use Traxxas stock and hop-up Replacement parts to get the most out of you Traxxas RTR vehicles
  • This is Replacement hardware for use on Traxxas vehicles. Consult your user's manual for exact parts listings
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Dollar Hobbyz 9.87 Yes Yes Yes

The smallest components in a high-performance RC crawler often dictate whether a weekend of trail running ends in triumph or a mechanical breakdown. This Traxxas output drive is a critical piece of the puzzle for TRX-4 enthusiasts, specifically designed to bridge the gap between your transmission or differential output shafts. Instead of hunting for mismatched hardware, this kit provides the necessary components to restore power delivery to your drivetrain. It is a specialized replacement part that integrates seamlessly with both stock setups and upgraded hop-up configurations. While it may seem like a minor detail, having this exact hardware on hand ensures your RTR vehicle maintains its intended performance levels during intense off-road sessions.

What We Like
TRX-4 compatible
Includes mounting hardware
Transmission output drive
Differential shaft fit
#12

Mohero Metal Spur Gear 48P 86T Transmission Gears For 1/10 Slash 2Wd Rustler Stampede Telluride Rc Car

JHR JHR-MAIN GEAR 48P-SLASH 2WD-F

Reviews for JHR (PM Score)

5.3 PM Score
Buy on Amazon
  • Material: Metal
  • Number of Teeth: 86T
  • Gear Pitch: 48 Pitch
  • Suit for 1/10 Slash 2WD Rustler Stampede Telluride RC Car
  • Package Included: 1 x Spur Gear
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MOHERO 7.86 Yes Yes Yes

MOHERO Titanium Full Metal Assembled Transmission Case Gearbox with Straight Gear for 1/10 Axial SCX10 RC Model Crawler Car

MOHERO Titanium Full Metal Transmission Case for SCX10

MOHERO MOHERO-GEARBOX-1

Reviews for MOHERO (PM Score)

5.2 PM Score
Buy on Amazon
  • Material: Aluminum Alloy.
  • With HD steel straight gear. Aluminum protection cover.
  • It's complete straight gear alloy gear box,and the internal parts are alloy also.
  • Eaey to use, complete Assembled, directly Assemble.
  • Suitable for 1:10 Axial SCX10 RC Car.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MOHERO 7.86 Yes Yes Yes

Climbing over jagged limestone ledges becomes a lot less stressful when you aren't constantly worrying about stripping your plastic internal components. I swapped my stock setup for this MOHERO transmission, and the difference in durability is immediate. The entire unit is built from high-grade aluminum alloy, including the internal parts and the protective housing, which gives it a rugged, heavy-duty feel that plastic just can't match. The inclusion of a high-definition steel straight gear is the real game-changer for high-torque crawling sessions. Because it arrives fully assembled, you can skip the tedious teardown and get straight to the installation. It is a straightforward, beefy upgrade designed specifically to handle the rigors of 1:10 scale rock crawling.

What We Like
Full aluminum alloy
HD steel gear
Pre-assembled unit
Protective alloy cover
Direct installation
#14

RampCrab Aluminum Transmission Gearbox Set, Low Range (Crawl) 40.3:1 Reduction Ratio for TRX4M, Metal Case, Gear, Bearing for 1/18 TRX4-M RC Car Upgra...

RampCrab Aluminum Low Range Transmission Gearbox Set

RAMPCRAB T4M-GEARBOX403-BLK-US 3.10 X 0.80 X 4.30 Inches 0.08 Pounds

Reviews for RAMPCRAB (PM Score)

5.2 PM Score
Buy on Amazon
  • This complete alloy Transmission Case upgrades for 1/18th Traxxas TRX4M Gearbox, Slower, good for crawling
  • Gears Made of high quality steel to increase wear resistance and extend service life
  • With front aluminum protection cover. Exquisite workmanship, smooth and durable It's complete straight gear alloy gear box
  • Increase overall performance and durability of your RC crawler car. Suitable for 1/18 RC Crawler Car TRX-4M rc crawler Bronco Defender
  • Slower than Stock gearbox, And The Reduction Ratio Is 40.3:1, Which Can Replace The Original Vehicle Accessory # 9776
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Crab Model 6.58 Yes Yes Yes

The RampCrab Aluminum Transmission Gearbox is a mandatory upgrade for any TRX4M enthusiast looking to master technical terrain. By swapping your stock setup for this 40.3:1 reduction ratio gearbox, you gain a massive advantage in low-speed crawling precision. The shift from plastic to a high-quality steel gear and alloy case architecture isn't just about aesthetics. It fundamentally changes how your crawler handles stress. I found the included front aluminum protection cover provides much-needed peace of mind during aggressive rock crawling sessions. Because this unit runs significantly slower than the original factory parts, it transforms your Bronco or Defender into a deliberate, high-torque machine capable of navigating obstacles that would otherwise leave you spinning tires.

What We Like
40.3:1 reduction ratio
High-quality steel gears
Durable aluminum case
Enhanced crawling performance
Includes protection cover
#15

Rc Car Gearbox For Lcg Chassis Rails For 1/10 Rc Crawler Axial Scx10 Ii Rc Crawler Car Metal Complete Transmission Case

AMK AMK-LCGV1 3.00 X 2.00 X 2.00 Inches

Reviews for AMK (PM Score)

5.1 PM Score
Buy on Amazon
  • 🔥【1/10 Aluminium Alloy Gearbox】Fitment: Transmission gearbox fits 1/10 RC Crawler, fits for Axial SCX10 II 90046 90047 86100.
  • 🔥【1/10 RC Car Gearbox】Transmission gearbox adopts a sealed gearbox design, which is sand and dust-proof, has anti-skid protection, can protect the gears, and has stable performance.
  • 🔥【LCG Transmission Gearbox】Gearbox with upgraded base plate, suitable for most 1/10 rack rails, can be used for LCG chassis rails, the application range becomes wider.
  • 🔥【Easy to install】 Easy and convenient to install and remove, easy for carrying. Don't need complicated installation steps, easily installation is complete.
  • 🔥【inbox】1pcs Aluminium Alloy Gearbox Set. We provide friendly service, if you have any questions about transmission gearbox, please feel free to leave us a message, we will reply you within 12 hours.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
AMK Toy 5.96 Yes Yes Yes

RC Gearbox, RC Gearbox Kit Aluminum Transmission Box with Screws for ARRMA Granite SENTON 1/10 RC Vehicle (Blue)

VGEBY Aluminum RC Gearbox Kit for ARRMA 1/10 Vehicles

VGEBY VGEBYREGOTF3B59-12

Reviews for VGEBY (PM Score)

5.1 PM Score
Buy on Amazon
  • Suitable Model: Ideal replacement for higher performance, can be used for ARRMA GRANITE, for ARRMA SENTON 1/10 RC vehicle.
  • Aluminum Material: Made of high quality aluminum material
  • Simple Installation: Will be helpful to improve the overall performance of your remote control car
  • Easy to Use: Manufactured with accurate shape design, able to directly replace the original plastic or damaged one, for better strength and using experience.
  • No Burden: Aluminum material makes the gear box has a light weight of 102g/3.6oz
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Funwehua-US 9.73 Yes Yes Yes

Cracked plastic housings and stripped gears often end a high-speed RC run prematurely, which is exactly why this aluminum transmission box is such a vital upgrade. Swapping out your stock components for this VGEBY kit provides a much-needed boost in structural integrity for your ARRMA Granite or Senton. At just 102g, the aluminum construction adds significant strength without weighing down your chassis or killing your battery life. The design is precise enough to serve as a direct replacement for damaged original parts, making the installation process straightforward for hobbyists. It effectively turns a fragile weak point into a durable, high-performance component that can handle the rigors of intense bashing.

What We Like
Durable aluminum build
Lightweight 102g design
Direct replacement fit
Includes mounting screws
Enhanced structural strength

RC Car Gearbox, Metal RC, Remote & App Controlled Vehicle Parts Vehicle Bodies & Scale Accessories Center Gear Box with Screws, Complete Transmission...

VGEBY Metal RC Transmission Gearbox for Axial SCX10 II

VGEBY VGEBY4D1Q803HPG8738-12

Reviews for VGEBY (PM Score)

5.1 PM Score
Buy on Amazon
  • 【For axial SCX10 II 90046/90047】-- RC Car Gearbox, which is a practical accessories for remote control car, suitable for axial SCX10 II 90046/90047 remote control car.
  • 【COMPLETE GEARBOX】The RC gearbox has a complete gear box, the inner gear is exquisite and smooth, and the durable shell is a good alternative.
  • 【A good RC Gearbox Replacement 】-- Complete gearbox, internal gear, delicate, slippy and durable cover, a good replacement choice.
  • [High Quality Material]The RC transmission case is made of high quality plastic, aluminum alloy and rubber material, which is wear-resistant, durable, and not easy to damage.
  • [PROFESSIONAL MADE]The axial SCX10 II gearbox solves the noise problem of gear transmission and further reflects the professionalism of the technology. The belt drive is basically no noise, making the remote control car very quiet and the technology is trustworthy.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Funwehua-US 9.73 Yes Yes Yes

Axial SCX10 II owners struggling with noisy, worn-out drivetrains need this VGEBY replacement gearbox to restore their crawler's performance. I was particularly impressed by how this unit addresses the common whine associated with gear transmission. The integrated belt drive makes the vehicle incredibly quiet during operation. It is a comprehensive kit that includes the complete transmission case, internal gears, and necessary screws, so you aren't left hunting for extra hardware. The construction utilizes a rugged mix of aluminum alloy, high-quality plastic, and rubber to ensure the assembly can handle the rigors of scale crawling. It feels like a professional-grade upgrade that prioritizes both durability and a smooth, silent mechanical feel.

What We Like
Quiet belt drive
Aluminum alloy construction
Complete gear assembly
Wear-resistant materials
Smooth internal gears
#18

EPINON for TRX4M Transmission Aluminum Gearbox Case 1/18 RC Crawler Upgrades Accessories (Black Red)

EPINON Aluminum Transmission Gearbox Case for TRX4M

EPINON RM053R 2.70 X 2.30 X 0.90 Inches

Reviews for EPINON (PM Score)

5.1 PM Score
Buy on Amazon
  • 【Compatibility】The Aluminum Transmission Gearbox Case suits for TRX4M Upgrades Accessories.
  • 【New Upgrade】Black and red two-color and hard anodized, novel appearance, and exquisite workmanship make the vehicle more attractive.
  • 【High Precision】CNC precision machining, made of high-quality aluminum alloy material, long-lasting durability, and reliable operation during extreme RC action.
  • 【Easy to Upgrade】 Empty gearbox case and does not include any gears or bearings. It can be used with original gears and bearings or upgraded gears.
  • 【What You Get】1 * Transmission Case, 1 * Screws Kit.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
EPINON 9.87 Yes Yes Yes

After weeks of testing my crawler through rocky trails and heavy debris, the durability of the drivetrain became my primary concern. Swapping the stock housing for this EPINON aluminum gearbox case has fundamentally changed how I approach extreme RC action. The CNC precision machining ensures a tight fit, while the high-quality aluminum alloy handles the heat and stress of crawling much better than plastic. I really dig the striking black and red two-color anodized finish. It gives the rig a professional, high-end look that stands out on the track. Since this is an empty case, you'll need to transplant your existing gears and bearings, but the included screw kit makes the installation process straightforward and hassle-free.

What We Like
CNC machined aluminum
Hard anodized finish
Black and red design
High precision fit
Includes screw kit
#19

Aluminum Transmission Case Gearbox Housing for TRX4M 1/18 RC Crawler Car Upgrade Parts (Black)

FACCNOY Aluminum Transmission Case for TRX4M

FACCNOY T4M006 2.00 X 0.70 X 3.00 inches

Reviews for FACCNOY (PM Score)

5.1 PM Score
Buy on Amazon
  • The gearbox cover is specially designed for Traxxas 1/18 TRX-4M RC cars.
  • The fine workmanship of the RC gearbox cover makes it look good and can make your model car cooler and more attractive.
  • RC Gearbox Shell is made of aluminum alloy material, which can ensure maximum durability and can provide you with a good experience.
  • The RC Aluminum Alloy Gearbox Cover is easy to install and remove, stable in performance and high in reliability, making it a worthy choice for RC car enthusiasts.
  • Lightweight and easy to install and disassemble, it can be a good replacement for old or damaged accessories.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
FACSNY 5.45 Yes Yes Yes

After weeks of use on rugged trails, this FACCNOY aluminum gearbox housing has become an essential part of my TRX4M crawler setup. Swapping out the stock components for this black aluminum alloy shell immediately changed the aesthetic, giving the vehicle a much more aggressive and professional look. Beyond the visual upgrade, the durability is the real standout. The metal construction feels incredibly sturdy compared to plastic alternatives. Installation was a breeze, making it easy to swap out old or damaged parts without a massive headache. It fits securely and performs reliably even during intense crawling sessions, proving that a small upgrade can make a massive difference in both style and long-term resilience.

What We Like
Durable aluminum alloy
Easy installation
Aggressive black finish
Lightweight design
Stable performance
#20

ZXYRC 1/10 Full Metal Assembled Transmission Gearbox with Steel Gear Set for for SCX10 1:10 RC Crawler Car (Black)

ZXYRC Full Metal Assembled Transmission Gearbox

ZXYRC ZXYRC-202210191852 3.00 X 3.00 X 2.50 Inches

Reviews for ZXYRC (PM Score)

5.1 PM Score
Buy on Amazon
  • Transmission Gearbox with Steel Gear Set for 1/10th SCX10 RC Rock Crawler
  • Material:Made of high quality aluminum alloy more sturdier and more quiete
  • Advantage: Exquisite workmanship, smooth and durable It's complete straight gear alloy gearbox. Complete Assembled, Directly Assemble that can use
  • Note: The product may loose gears during transportation. It can be used normally with only slight adjustments. If you encounter such problems, please feel free to contact us
  • Customer service: If you have any question,please contact us and we will offer professional service to solve your problem
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
TXYZ 5.83 Yes Yes Yes

Most RC hobbyists settle for plastic drivetrains that strip the moment a crawler hits a steep incline, but this ZXYRC transmission aims to solve that durability gap right out of the box. By utilizing a high-quality aluminum alloy housing paired with a complete straight gear steel set, it offers a level of sturdiness and quiet operation that standard kits lack. The standout feature here is the pre-assembled design, which saves you the headache of complex builds and lets you get straight to the trail. While you might need to perform a minor gear adjustment after shipping to ensure everything is perfectly seated, the exquisite workmanship makes it a reliable heart for any 1/10 scale SCX10 crawler looking for smoother, more durable performance.

What We Like
Steel gear set
Aluminum alloy housing
Fully assembled design
Quiet operation
Durable straight gears
#21

FMS 1:24 RC Vehicle Parts for Power Wagon : Transmission Gear Box Assembly - C3012

Fair RC Transmission Gear Box for FMS Power Wagon

FAIR RC C3012

Reviews for FAIR RC (PM Score)

5.1 PM Score
Buy on Amazon
  • 【Compatible with】:for FMS 1:24 power wagon Spare Part List.Pls note that the harder you play with your RC car, the easier it will break, when this happens, contact our seller.
  • 【Full Set Ready To Install】:Precision machining ensures the long life and better performance .Easy to install and move, it provides a good upgrade and replacement kit for your RC model car.
  • 【Quality Assurance】:109% brand new and high quality.It is made of high-quality material. It has the advantages of strong structure and durability
  • 【Novel appearance】:Beautifully designed Exquisite workmanship.Perfectly to provide ample protection for your RC car,make it an enjoyable experience.
  • 【Excellent Service】:Your support and continuously innovating has lead us to where we are today.We cherish every customer. Any questions, pls contact our Friendly FMS team, we will solve it.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
RCbar 6.57 Yes Yes Yes

Most hobbyists assume that a broken drivetrain means the end of a run, but a single precision component can actually save your entire scale crawler. This Fair RC transmission gearbox assembly is a lifesaver for anyone pushing their 1:24 scale Power Wagon to the absolute limit. Instead of struggling with mismatched components, this full set arrives ready to install, utilizing precision machining to ensure the gears mesh perfectly for long-term performance. The build quality feels surprisingly robust, offering a strong structure that can withstand the rigors of aggressive off-road play. It isn't just a functional replacement. The exquisite workmanship adds a level of detail that makes the mechanical heart of your RC model look as good as it performs.

What We Like
Precision machined gears
Ready to install
Durable construction
Full assembly kit
Exquisite workmanship
#22

Hobbypark Transmission Gearbox with Motor Pinion Gear for Axial SCX10 SCX10 II 90046 90047 1/10 RC Crawler Cars, Plastic Shell Housing

Hobbypark Transmission Gearbox and Motor Pinion for Axial SCX10

HOBBYPARK 9853

Reviews for HOBBYPARK (PM Score)

5.1 PM Score
Buy on Amazon
  • ✔Compatible with: Axial SCX10 SCX10 II 90046 90047 1/10 RC Crawler Cars
  • ✔Quality Plastic Shell Housing, Complete gearbox case mount, gear inside
  • ✔Exquisite workmanship, smooth and durable
  • ✔Package include: Center Gearbox (1), Motor Gear(1)
  • ✔100% New,Genuine HobbyPark RC Products,Exquisite workmanship & Durable.Buy with Confidence,Friendly Customer Service
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
HobbyPark-US 9.93 Yes Yes Yes

Most RC enthusiasts settle for sluggish, unreliable drivetrain replacements that fail under the pressure of technical rock crawling, but this Hobbypark transmission gearbox offers a much more robust alternative. I found that the exquisite workmanship on this unit really stands out, especially with the smooth operation of the internal gears. The plastic shell housing feels surprisingly durable for its weight, providing a complete gearbox case mount that fits perfectly into 1/10 scale Axial SCX10 and SCX10 II setups. It arrives as a ready-to-install kit including both the center gearbox and the motor gear, which saves a massive amount of time during a rebuild. Instead of hunting down individual components, you get a genuine, cohesive assembly that keeps your crawler moving through the toughest terrain without constant mechanical hiccups.

What We Like
Smooth internal gears
Durable plastic housing
Complete gearbox assembly
Includes motor pinion
Precise crawler fit

Sharegoo 7075 Aluminum Alloy 32Dp 3.175Mm Pinion Gear Sets 12T 13T 14T 15T 16T Motor Gears Fit 3.175Mm (1/8-Inch) Shaft Compatible With Hpi Losi Axial Traxxas Tamiya 1/10 Rc Car,5Pack

SHARE GOO HS101

Reviews for SHARE GOO (PM Score)

5.1 PM Score
Buy on Amazon
  • Fit 3.175mm (1/8") Output Shaft Size Motors,please make sure the RC motor shaft have the same diameter,Also make sure the spur gear and pinion gear have the same pitch, otherwise the teeth won't mesh.
  • The 32P pinion gear sets (12T 13T 14T 15T 16T) are made of 7075 aluminum alloy material,durable aluminum construction for long-lasting performance.
  • Tooth pitch: 32 pitch(32DP);Height: 14mm. Inner Hole Diameter:3.175mm(1/8-Inch)
  • The 32DP motor gear sets compatible with HPI kyosho losi axial traxxas tamiya associated Hpi Redcat 1/10 RC car monster truck buggy.
  • Universal upgrade 32P pinion gear,total 5Pcs,12T 13T 14T 15T 16T with 3.175mm inner diameter.Come with L hex key and grub screws for easy installation.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ShareGoo-US 9.91 Yes Yes Yes
#24

Treal Aluminum Center Transmission Skid Plate Mount For Axial Scx10 Ii Upgrades 1/10 Rc Crawler 90046 90047 Parts (Black)

TREAL TSCX10II-14 3.93 X 2.50 X 0.20 Inches

Reviews for TREAL (PM Score)

5.1 PM Score
Buy on Amazon
  • Compatible with Axial SCX10 II 90046 AXI90075 1/10 RC Rock Crawler Car
  • made of high quality aluminum alloy,anodized,sturdy and durable
  • CNC precision machining,Strength and precision are higher
  • Easy to install and upgrade from original parts, thereby enhancing the overall performance of the remote control car
  • Worry free after-sale service
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
No No No
#25

Gdool Rc Car Metal Transmission Cup Accessory Spare Parts 30-Wj04 For 1:16 9130 9135 9138 Rc Car (2 Pcs)

GDOOL 30-WJ04

Reviews for GDOOL (PM Score)

5.1 PM Score
Buy on Amazon
  • 【Widely Used and Applicable Toys Vehicle】Great suitable for 1/16 1:16 9130 9135 9137 9138 Q901 Q902 Q903 Q905 16889 RC Monster Trucks.
  • 【Brand New】It is perfect for vehicle type cars ,practical and durable for long-term use
  • 【Item Name】Metal Transmission Cup Accessory Spare Parts 30-WJ04
  • 【High Quality】It made of High Quality Metal Aluminum, environment-friendly and it is a good choice of your truck
  • 【Good Customer Service】If you are not completely satisfied with our products, please do not hesitate to contact us to request a refund or exchange!
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Gdoolem 9.90 Yes Yes Yes

SecosAutoparts Full Metal Assembled Transmission Case Center Gearbox with Steel Gear for 1/10 Scale RC Axial SCX10 Crawler Car

SecosAutoparts Full Metal Assembled Transmission Case

SECOSAUTOPARTS DOES NOT APPLY

Reviews for SECOSAUTOPARTS (PM Score)

5.0 PM Score
Buy on Amazon
  • 【Material】The internal and external parts are made of high-quality aluminum alloy, which is strong enough and durable.
  • 【Fitment】For The gmade komodo ,wraith,redcat everest 10,honcho scx10 ii , RGT 86100 1/10th RC SCX10 Rock Crawler .ect
  • 【Feature】It's complete alloy gear box. The internal parts are alloy also , It can provide all the power for your car.
  • 【Installtion】If the gear is loose, it can be used normally only by slight adjustment
  • 【Note】Communication Is The Best Way To Solve The Problem. If You Have Any Problems After Purchasing, Please Contact Us In Time, Before Opening Return Or Case.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
SecosAutoparts 9.85 Yes Yes Yes

After weeks of use in heavy rock crawling sessions, the durability of the SecosAutoparts transmission case has truly become evident. Most stock components struggle under high torque, but this unit is built entirely from high-quality aluminum alloy, both inside and out. It arrives fully assembled with steel gears, which means you can get your 1/10 scale crawler back on the trails much faster. It fits a wide variety of popular chassis like the SCX10 II and Redcat Everest 10, providing the necessary power transfer for technical climbs. While you might need to perform a slight adjustment if you find the gears are a bit loose upon arrival, the sheer strength of the metal construction makes it a massive upgrade for anyone looking to move away from fragile plastic internals.

What We Like
Full aluminum alloy
Steel internal gears
Complete assembled unit
High power delivery
Durable metal construction
#27

VGEBY1 RC Middle Differential, Black RC Car Middle Differential for Model Vehicle(48T Nylon Gear)

VGEBY1 RC Middle Differential for Model Vehicles

VGEBY1 VGEBYVSGXDITMH4-02 2.56 X 1.97 X 1.97 Inches

Reviews for VGEBY1 (PM Score)

4.8 PM Score
Buy on Amazon
  • HIGH QUALITY MATERIAL -- super gear rc is perfect in workmanship and high in quality. Made of superior materials, which are solid and durable.
  • 2 OPTIONS -- There are two different material specifications for 46T steel gear and 48T nylon gear. You can choose according to the actual situation of your mold car.
  • REALISTIC EXPERIENCE -- A practical mid-range reducer gives you the most realistic racing experience. Nice replacement accessory for the old or broken one.
  • FIT FOR -- super gear rc is easy and convenient to install and remove. Suitable for Buggy Truck Truggy SCT 1/8 RC car, for DF- Models 6684 RC car, for ZD Racing RC car.
  • GUARANTEE -- If you are not satisfied with the products we received, you can unconditionally refund the goods within the stipulated time. For any questions about this product, you can send email as soon as possible.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Huidell 7.17 Yes Yes Yes

Most hobbyists assume that metal is always the superior choice for drivetrain components, but the VGEBY1 middle differential offers a clever alternative with its 48T nylon gear option. While steel provides brute strength, this nylon version can offer a different mechanical feel for your specific build. This reducer is designed to breathe new life into aging Buggy Trucks, Truggies, or SCT 1/8 RC cars, especially those from ZD Racing or DF-6684 models. The workmanship feels solid and durable enough to handle the rigors of realistic racing, making it a much better choice than struggling with a broken or worn-out original part. Installation is straightforward, which is a massive relief when you are mid-session and need to get back on the track quickly.

What We Like
Durable nylon gear
Realistic racing experience
Easy installation
Solid build quality
Two material options
#28

RC Gear Box Diff Set, RC Car Differential with Front Rear Gear Box Housing Compatible for Wltoys 104001 1/10 RC Car

Dilwe RC Car Differential and Gear Box Set

DILWE DILWE3I2B7HPYTK400

Reviews for DILWE (PM Score)

4.6 PM Score
Buy on Amazon
  • Strong Material: Made of high quality plastic and iron materials, being more durable and sturdy, which is suitabel for Wltoys 104001 1/10 RC Car, to do repair and replace work.
  • Perfect Fitness: With original car molding, the accesory has the same shape as the original car part, it is able to be used to replace damaged and old parts to keep the car in good condition.
  • Package List: 1 x Differential. 1 x Front Gear Box Housing. 1 x Rear Gear Box Housing, complete equipped, easy and convenient for installation and disassemble, which is reliable and durable to use.
  • Much help: The gear box can effectively eliminate shaft effect and enhance stability, can as a wonderful replacement for the old or broken one, directly fitment, a nice replacement for your rc car.
  • Accurate Shape: Easy to use and change with accurate shape design, able to achieve close fitting, convenient to install and easy to operate, save time and efforts.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Dhishy 9.74 Yes Yes Yes

This Dilwe replacement kit is the definitive solution for hobbyists looking to restore their 1/10 scale RC car to peak performance. Instead of struggling with mismatched components, you get a precision-molded set that mirrors the original factory shape for a seamless fit. The combination of high-quality plastic and iron materials provides the durability needed to withstand rugged driving sessions. What really sets this set apart is how it addresses stability. The gear box design effectively eliminates shaft effect, making your drives much smoother. Because the package includes the differential along with both front and rear gear box housings, you have everything required for a comprehensive overhaul. It is a reliable, time-saving way to swap out worn-out parts without the headache of custom modifications.

What We Like
Durable iron construction
Accurate factory molding
Eliminates shaft effect
Complete replacement set
Easy installation
#29

Metal Complete Transmission Cutoff Gearbox with Dig Gear for 1:10 Axial SCX10 AX10 Wraith RC Crawler Car (Black)

FACCNOY Metal Transmission with Dig Gear for RC Crawlers

FACCNOY FACCNOY032 3.50 X 2.50 X 6.00 Inches

Reviews for FACCNOY (PM Score)

4.6 PM Score
Buy on Amazon
  • The rear output is supported by bearings to improve the efficiency of the power transmission system, and is cross-drilled for use with through-pin drive shafts
  • This gearbox is made for RC rock crawlers mainly , in that when crawling up a steep hill the rear wheels can be in the free- wheel position and prevent the truck from cart-wheeling off the incline.
  • Suits for: 1/10 Axial SCX10 AX10 Wraith RC Crawler Car.
  • It have a dig gear, comes with a "dig function" in the gearbox, pull the lever it will locks the back wheels.
  • Made of high quality material, easy to install and durable.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
No No No

Ever wondered how to stop your RC crawler from cart-wheeling backward the moment it hits a steep incline? The FACCNOY metal transmission solves this specific headache by integrating a dedicated dig gear function. When you pull the lever, it locks the rear wheels to provide the traction needed for technical climbs, but you can switch to a free-wheel position to maintain stability on descents. This gearbox is built for the rigors of scale rock crawling, featuring a rear output supported by bearings to ensure efficient power delivery. The cross-drilled design even makes it easy to pair with through-pin drive shafts. It is a durable, high-quality upgrade that brings much-needed control to 1/10 Axial SCX10 and AX10 Wraith builds.

What We Like
Integrated dig gear
Bearing supported output
Cross-drilled drive shafts
Durable metal construction
Free-wheel capability
#30

0.5M Transmission Gear 32T & 8T Metal Spur Gear Set For 1/24 Axial Scx24 90081 C10 Axi00002 Axi00004 Axi00005 Axi00006 Rc Car

AXSPEED AXS-8839

Reviews for AXSPEED (PM Score)

4.6 PM Score
Buy on Amazon
  • Made of High Quality Metal Meterial, durable in use.
  • Tooth: 32T & 8T. 0.5M Spur Gear.
  • Fit for 1/24th SCX24 Vehicles, AXI90081 AXI00001 AXI00002 AXI00004 AXI00005 AXI00006 RC Car.
  • Upgrade your RC car, and help to improve its performance.
  • Easy and convenient to install and remove.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
QueStoreWelcome 9.81 No No No
Buying Guide

A Guide to Selecting the Best Traxxas RC Vehicle Transmissions

A Guide to Selecting the Best Traxxas RC Vehicle Transmissions

Understanding Gear Ratios and Drive Configurations

The most critical decision when selecting a transmission is determining the gear ratio. In the RC world, this is a balancing act between top-end speed and low-end torque. If you find your motor is overheating or your vehicle struggles to accelerate from a standstill, you may need a gearbox configuration that offers a shorter gear ratio (more torque). Conversely, if you are hitting your electronic speed controller's limit and want more top speed, a taller ratio is required. Always ensure the gearbox you choose is compatible with your current pinion and spur gear setup, as changing the transmission often necessitates a complete recalculation of your drivetrain's gearing.

Material Composition: Plastic vs. Metal

Traxxas often utilizes high-quality composite plastics for their standard gearboxes to save weight and reduce cost. While these work excellently for casual bashing, they can fail under the stress of brushless motor upgrades. When shopping for high-performance replacements, look for gearboxes that incorporate hardened steel or aluminum components. Metal gear housings offer superior heat dissipation, which is vital for preventing the thermal expansion that can lead to gear binding. However, keep in mind that all-metal transmissions increase the unsprung weight of the vehicle, which can slightly alter the handling characteristics and suspension response.

Durability and Component Integration

A high-quality gearbox should be more than just a collection of gears. It should be a cohesive system. Look for kits that include high-quality differential housings and robust shafts. One of the most common failure points in RC transmissions is the differential, which can lose its ability to distribute power evenly. A premium gearbox replacement will often feature improved differential seals to prevent fine dirt and sand from entering the gear mesh, which is essential for off-road performance. If you frequently jump your vehicle or drive on high-traction surfaces like carpet, prioritize gearboxes that feature reinforced internal bearings to handle the high-impact loads.

Maintenance and Ease of Service

When choosing a replacement, consider how easy it will be to perform future maintenance. Some specialized high-performance gearboxes are incredibly complex to assemble, requiring precision shimming to ensure perfect gear mesh. If you are a beginner, a direct-replacement gearbox that follows the original design logic will be much easier to service. For advanced users, looking for modular designs—where individual components like the sun gear or planetary sets can be replaced without tearing down the entire unit—can save significant time during a race weekend or a repair session.

Ready to choose?

Jump back to our ranked picks or compare the shortlist side by side.

Frequently Asked Questions

Quick answers about Traxxas Rc Vehicle Transmissions before you buy.

Standard gearboxes are designed for stock performance, while heavy-duty versions typically feature hardened steel gears and reinforced housings to withstand the higher torque and impact of brushless motor upgrades.

It depends on the chassis compatibility. While some platforms allow for upgrades, you often need to modify the motor mount and drivetrain components to accommodate the additional shifting mechanism.

You should inspect the gears for chipped teeth and the differential for smooth rotation every 5 to 10 runs, or immediately after a high-speed crash or water submersion.

Metal gears offer significantly higher durability and heat dissipation compared to nylon or plastic gears, preventing stripping during aggressive driving or high-traction jumps.

Yes, always use high-quality lithium-based or silicone-based RC grease. Avoid using heavy automotive grease, as it can attract dirt and cause excessive drag on smaller gear teeth.

Grinding usually indicates worn gear teeth, a misaligned spur gear, or a lack of lubrication. Check the mesh between the pinion and spur gear to ensure they aren't too tight or too loose.

Not directly, but a high-quality transmission reduces friction and power loss through the drivetrain, allowing more of the motor's power to reach the wheels efficiently.

For experienced hobbyists, it is a moderate task involving the removal of the motor, driveshafts, and suspension components, but it is a standard maintenance procedure for most enthusiast-level models.
Research & Insights

Our Analysis of Traxxas Rc Vehicle Transmissions

728 Reviews Analyzed
37 Products Evaluated
3.3 Avg PM Score
10 Brands Ranked

Top 10 Traxxas Rc Vehicle Transmissions Brands on Amazon

Share of top-ranked products by brand, from our editorial analysis.

  1. 01 Faccnoy 7 (29.2%)
  2. 02 Rampcrab 3 (12.5%)
  3. 03 Epinon 2 (8.3%)
  4. 04 Hobbypark 2 (8.3%)
  5. 05 Rclions 2 (8.3%)
  6. 06 Treehobby 2 (8.3%)
  7. 07 Vgeby 2 (8.3%)
  8. 08 Zxyrc 2 (8.3%)
  9. 09 1 (4.2%)
  10. 10 Coowoo 1 (4.2%)

What Our Analysis Found

We've carried out a comprehensive analysis of 728 reviews on Traxxas Rc Vehicle Transmissions, using our selection criteria to identify the best options in the hobby remote & app controlled vehicles & parts. Our findings reveal that most customers typically select Traxxas Rc Vehicle Transmissions priced around $25.25, with top brands including febyhim, share goo, hoplex, xind ele., redcat racing, vgeby, rampcrab, amogot and rclions and traxxas.

Our team of expert editors reviewed these high-quality items and handpicked the top 30 Traxxas Rc Vehicle Transmissions for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the hobby remote & app controlled vehicles & parts category — including fucheng store, sharegoo-us, hoplex, amazon.com, funwehua-us, crab model, amogot, xmeds88dns and mv&h | authorized dealer✅ and mohero.

We are dedicated to assisting our users in finding the right gearboxes Products based on their needs, saving them considerable time when choosing which Traxxas Rc Vehicle Transmissions to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.

Side by Side

Comparison Table

Compare the top 30 picks at a glance — select a column to sort.

# Product Brand PM Score Rating Where to Buy
1 LAEGENDARY Metal Transmission Cups for Legend Truck LAEGENDARY 9.6 4.4 (1,055) Buy on Amazon
2 RCLions CNC Aluminum Transmission Case for TRX4 RCLIONS 9.4 4.4 (164) Buy on Amazon
3 Traxxas Single-Speed Conversion Kit Traxxas 9.4 4.4 (194) Buy on Amazon
4 INJORA Complete Center Gearbox Transmission for SCX10 Crawlers INJORA 9.1 4.1 (331) Buy on Amazon
5 O WOWZON 1080P FPV Camera RC Monster Truck O WOWZON 8.8 3.8 (200) Buy on Amazon
6 Hobbypark Full Metal RC Crawler Transmission Case Hobbypark 7.8 3.8 (79) Buy on Amazon
7 ShareGoo Metal RC CVD Transmission Shafts Share Goo 6.1 4.2 (38) Buy on Amazon
8 ZXYRC Aluminum Alloy Complete Gearbox for SCX10 Crawlers ZXYRC 5.9 4.5 (28) Buy on Amazon
9 ARRCat Stainless Steel Universal RC Crawler Drive Shafts ARRCat 5.6 3.8 (35) Buy on Amazon
10 CrazyHobby Aluminum Transmission Case and Arm Mount Kit CrazyHobby 5.5 4.2 (26) Buy on Amazon
11 Traxxas TRX-4 Transmission and Differential Output Drive Traxxas 5.4 4.7 (13) Buy on Amazon
12 MOHERO Metal Spur Gear 48P 86T Transmission Gears for 1/10 S JHR 5.3 5.0 (5) Buy on Amazon
13 MOHERO Titanium Full Metal Transmission Case for SCX10 MOHERO 5.2 5.0 (4) Buy on Amazon
14 RampCrab Aluminum Low Range Transmission Gearbox Set RampCrab 5.2 5.0 (3) Buy on Amazon
15 RC Car Gearbox for LCG Chassis Rails for 1/10 RC Crawler Axi AMK 5.1 5.0 (2) Buy on Amazon
16 VGEBY Aluminum RC Gearbox Kit for ARRMA 1/10 Vehicles VGEBY 5.1 5.0 (1) Buy on Amazon
17 VGEBY Metal RC Transmission Gearbox for Axial SCX10 II VGEBY 5.1 5.0 (1) Buy on Amazon
18 EPINON Aluminum Transmission Gearbox Case for TRX4M EPINON 5.1 5.0 (1) Buy on Amazon
19 FACCNOY Aluminum Transmission Case for TRX4M FACCNOY 5.1 5.0 (1) Buy on Amazon
20 ZXYRC Full Metal Assembled Transmission Gearbox ZXYRC 5.1 5.0 (1) Buy on Amazon
21 Fair RC Transmission Gear Box for FMS Power Wagon Fair RC 5.1 5.0 (1) Buy on Amazon
22 Hobbypark Transmission Gearbox and Motor Pinion for Axial SCX10 Hobbypark 5.1 3.8 (25) Buy on Amazon
23 ShareGoo 7075 Aluminum Alloy 32DP 3.175mm Pinion Gear Sets 1 Share Goo 5.1 5.0 (1) Buy on Amazon
24 TREAL Aluminum Center Transmission Skid Plate Mount for Axia Treal 5.1 5.0 (1) Buy on Amazon
25 GDOOL RC Car Metal Transmission Cup Accessory Spare Parts 30 GDOOL 5.1 5.0 (1) Buy on Amazon
26 SecosAutoparts Full Metal Assembled Transmission Case SecosAutoparts 5.0 4.3 (14) Buy on Amazon
27 VGEBY1 RC Middle Differential for Model Vehicles VGEBY1 4.8 4.5 (6) Buy on Amazon
28 Dilwe RC Car Differential and Gear Box Set Dilwe 4.6 4.5 (2) Buy on Amazon
29 FACCNOY Metal Transmission with Dig Gear for RC Crawlers FACCNOY 4.6 4.5 (2) Buy on Amazon
30 0.5M Transmission Gear 32T & 8T Metal Spur Gear Set for 1/24 AXspeed 4.6 4.5 (2) Buy on Amazon