Baby Stuff Lab compares top-rated RC Vehicle Transmissions under $20 by analyzing reviews and customer feedback. You can easily choose the right one from our Editor Pick List.
Top Rated RC Vehicle Transmissions under $20
No. 1 
Upgraded CNC Aluminum Transmission Case Housing with Bearings & Stainless Steel 40.3:1 Low Range Transmission Gear Set, RC Vehicle Transmission Kit...
- Transmission Case Housing: The red appearance is more cool and beautiful, which protects the transmission system from external collisions and better heat dissipation. Equipped with precision bearings...
- 40.3:1 Low Range Transmission Gear Set: The 40.3:1 gear set provides more torque and crawling power at low speeds, making it easier for the car to overcome rough terrain and easily cross hills, sand...
- Upgraded Metal Material: The combination kit has been precision-machined by CNC and made of metal material, which is stronger and more durable than other plastic kits. Transmission casing is made of...
- Perfect combination: The kit fit for TRX4M 1/18 RC crawler car, the perfect combination of transmission case housing + low range transmission gear set, one step in place, better control the speed and...
- Easy to Replace: Only takes about ten minutes to get your RC car up and running. Directly replace the original gearbox housing and old/worn low speed gears. Convenient and simple, saving time and...
No. 2 
INJORA LCG Complete Transmission Gearbox with Clear Cover for 1/10 RC Crawler SCX10 SCX10 II Upgrade
- Made of plastic and aluminum, sturdy and durable.
- Lightweight and low center of gravity design.
- Hardened steel gears, smooth and excellent performance in driving.
- A good selection to fit LCG chassis custom build.
- Fit for SCX10 SCX10 II 1/10 RC crawler upgrade part.
No. 3 
INJORA Aluminum Skid Plate Transmission Mount 17g for 1/18 RC Crawler TRX4M Upgrade
- Aluminum skid plate mount adds 17g weight for improved stability on your 1/18 TRX4M crawler
- High-precision CNC machined for a perfect fit and long-lasting durability on tough trails
- Allows drive shaft replacement without removing gearbox, saving valuable time and effort
- Direct replacement upgrade part for better protection and performance of your transmission
- Includes 1 aluminum skid plate (Part Number: 4M-67BS), easy to install and built to last
No. 4 
Hardened Steel Upgrade Pinion Gear Set: 13T 14T 15T 16T fit 5mm RC Motor Shaft (Work with Steel Spur Gears) for RC Vehicles, Set of 4
- Make sure your spur gear have the same pitch to work with
- 【Hardened Steel】This pinion gear set is made of Hardened Steel, it will work with the steel spur gear. NOT work with harden plastic or aluminum spur gear
- 【4 Sizes】Come with 13T 14T 15T 16T standard gears to meet your variety of requirements
- 【Inner Diameter: 5mm】Suitable for 1/8 1/10 Scale RC Vehicle 5mm Motor Shaft, compatible with 1/8 1/10 Traxxas Axial HSP Redcat RC Trucks Buggy
- 【What You Will Get】Package Included: 4 Pieces Pinion Gears, 4 Pieces Grub Screws and 1 Piece L Allen Wrench
No. 5 
30PCS 2mm Hole Plastic Pulley Wheel Belt Pulley Drive Pulley with Rubber Band Transmission Belt Pulley Belt for DIY Model Toy RC Car Truck Robot...
- Quantity：30PCS Blet pulley,approx. 25PCS Rubber band
- Material：Belt pulley made of plastic, transmission belt made of rubber
- Transmission Belt Size：3 different size, 20mm/0.79", 25mm/0.98", 38mm/1.5" diameter , rubber band color random
- Belt Pulley Size：Approx . 17 x 4 mm / 0.67 x 0.16 Inch (Outside Diameter x Thickness ) , fit for 2mm shaft diy model toy
- Application：30PCS 2mm Plastic pulley wheel 17mm diameter belt pulley with pulley belt transmission belt for diy model toy,rc car,truck,robot,airplane building accessories,meet your diy project needs
No. 6 
Transmission Gearbox with Gear Fit for 1/24 Axial SCX24 RC Crawler Aluminum Alloy Black
- Fitments: This black gearbox fit for Axial SCX24 90081 AXI00001 AXI00002 1/24 RC crawler vehicles
- Durable Material: With front aluminum protective cover, exquisite workmanship, smooth and durable, the internal parts are made of alloy and are stronger and quieter.
- Provide Effective Protection: This kind of sealed gearbox is sand-proof and dust-proof, with anti-skid protection, which can protect gears.
- Easy to Install: Easy to install and can be replaced directly.
- What You Will Get: 1 x transmission case gearbox and 24-month service, if you have any questions please contact us, we'll reply to you as quickly as possible.
No. 7 
3Pcs Stainless Steel RC Upgrade Universal Drive Shaft Front/Medium/Back Kit CVD Transmission Joint 57mm-71mm for WPL MN Modes B16 B36 MN77 FY004 6WD...
- Fitment and Dimensions: Specifically designed for WPL B16 B36 1/16 RC Cars, with a long drive shaft length of 57mm-71mm and a short drive shaft length of 45mm-50mm.
- Material: Constructed from a stainless steel metal drive shaft, it offers long-lasting durability, low wear, and a beautiful, unique style for enhanced RC car performance.
- Improved Performance: Upgraded for better transmission efficiency and high reliability, providing your crawler with more turning power and the ability to adapt to complex terrains seamlessly.
- Compact Design: Features an extremely compact structure to solve installation challenges, ensuring a perfect fit while maintaining a sleek appearance for your RC crawler.
- Enhanced Structural Strength: Engineered for high-speed driving with reinforced design, transmitting power efficiently from the center gearbox to the driving differential for smooth operation.
No. 8 
MORLORDY RC Metal Gearbox Gears Set Transmission Gears Kit for 1/24 RC Crawler Car Axial SCX24 Upgrades Parts
- 【PREMIUM SCX24 Transmission Gear】 High-Quality Hardened Metal will make the SCX24 Gearbox Gear Set more solid and abrasion proof. Fine workmanship for lightweight and durable performance.
- 【EXCELLENT Function】 Axial SCX24 Upgrades, adding this will allow for a heavy duty adjustable slipper clutch to reduce damage to your drivetrain. MORLORDY 1/24 scale accessories has perfect...
- 【EASY TO INSTALL】 Easy and convenient to install and remove, easy for carrying. Don't need complicated installation steps, easily installation is complete.
- 【Compatible with】 The SCX24 Metal Transmission Gears Set suitable for 1:24 SCX 24 RC Rock Crawler Car AXI90081 AXI00001 AXI00002 AXI00005 AXI00006. Package Included one set of SCX24 Transmission...
- 【Our Promise For SCX24 Accessories】 If you are at all unsatisfied with our axial scx24 parts, please contact us and we will be happy to provide you with your choice of solutions.
No. 9 
GDOOL RC Car Metal Transmission Cup SN-WJ04A Accessory Spare Parts 30-WJ04 BL-WJ04 for 1:16 Scale Sonic Truck 9130 9135 9138 HM163 HM164 RC Car (2...
- 【Widely Used and Applicable Toys Vehicle】Great suitable for 1/16 1:16 Scale SONIC Truck 9130 9135 9138 HM163 HM164 RC Cars.
- 【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 BL-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!
No. 10 
Aluminum Alloy 70mm Transfer Case Transmission Gearbox with 5mm Shaft for 1/10 RC Rock Crawler MOA 1.9 Shafty LCG Chassis Builder
- 【1/10 RC Crawler】This RC transfer case are widely compatible with 1/10 RC rock crawlers like SCX10 III, TRX4, Gen8, Ascender, etc
- 【Premium Quality】Crafted from high-quality aluminum alloy housing and CNC machined for exceptional durability and precision
- 【Smooth Operation】Equipped with two ball bearings and a 5mm steel D-shaped shaft, ensuring smooth and reliable performance during operation
- 【Durable Construction】Made from sturdy materials including aluminum alloy and stainless steel, ensuring long-lasting durability and resistance to wear and tear
- 【Easy Installation】With a simple structure and 70mm width, it is designed for easy installation and compatibility with RC Rock Crawler Chassis Building
Last update on 2025-05-08
