Baby Stuff Lab compares top-rated RC Vehicle Transmissions under $30 by analyzing reviews and customer feedback. You can easily choose the right one from our Editor Pick List.
Top Rated RC Vehicle Transmissions under $30
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 
Othmro 50Pcs Plastic Gears 30 Teeth Model 302A Reduction Gear Plastic Worm Gears RC Vehicle Transmission Gears Plastic Crown Gears for RC Car Robot...
- [Specification] - Plastic Gears Model 302A, 30 Theeth, 0.5 Modulus, 16mm Outer diameter, 4.3mm Thickness, 2mm Hole Diameter.
- [Feature] - 100% Brand new and high quality.Good accessories for Vehicle or remote control,provides a convenient choice for your DIY project.
- [Fuction]- The products are for toys spindle gear spare parts, suitable for DIY model technology production.They are also good replacement parts of old or broken gears.
- [Appliation] - Plastic Crown Gears suit for science DIY project such as rc model car, model electirc robot and windmill, education such as displaying how gear ratios work, and any other family small...
- [More Choose] - Our store have the most complete specs gears shown in the following description, which can meet your DIY needs.This is a plastic gear building your own gearbox with customized gear...
Save $1.50No. 3 
3Pcs 8mm to 5mm Pinion Reducer Sleeve, Drive Shaft Adapter Reducer Sleeve Stainless Steel RC Vehicle Transmission Sleeve for RC Car Motor
- SCOPE OF APPLICATION: Drive shaft adapter reducer sleeve is suitable for M1.0mold, M1.5mold with 8mm motor teeth, as well as Sledge remote control cars, etc. It has strong practicality and ensures...
- FUNCTION: RC vehicle transmission sleeve can convert the aperture of gears from 8mm to 5mm, which is convenient and fast to use, powerful, and provides you with a good user experience
- ENHANCED PERFORMANCE: The motor gear conversion shaft sleeve has strong stability, which helps improve the performance of remote control vehicles. It can enhance the overall performance of remote...
- EASY TO INSTALL: The shaft adapter coupling coupler motor connector can be installed directly without any modifications, without taking up too much time and effort, making rotation and strength...
- STAINLESS STEEL MATERIAL: The pine reducer sleeve is made of excellent stainless steel material, with a sturdy and compact structure, high strength, excellent stability and durability, not easily...
No. 4 
INJORA Complete Gearbox Transmission with Gears Set 1/10 RC Crawler Car Axial SCX10 SCX10 II 90046 Upgrade Part (Black Complete Gearbox)
- Complete gearbox, gear inside
- Made of Premium Material,durable in use
- Sturdy Nylon Casing makes driving smooth and excellent
- Gear set is compatible with Original SCX10 II Transmission
- Suit for SCX10 & SCX10 II 90046 RC Crawler Car
No. 5 
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. 6 
YINETTECH 1 Set Transmission Gear Set Stainless Steel Transmission Gear Set Compatible with Tra-xxas TRX4M TRX4MT 1/18 RC Crawler Upgrades(16.6:1)
- Compatible with 1/18 TRX4M TRX4MT Bronco, Defender, High Trail, K10, F150, etc.
- The gear ratio is 16.6:1, which provides precise power transmission, optimizes the vehicle's traction and driving stability, and is suitable for various complex terrains.
- The improved gear transmission system can effectively improve power transmission efficiency, reduce energy loss, and improve the overall performance of the model car.
- The gears are made of stainless steel, which has strong wear resistance and corrosion resistance, ensuring that they are not easily damaged after long-term use.
- The design is simple and easy to install, suitable for model car enthusiasts to carry out DIY upgrades to improve the vehicle's handling and durability.
No. 7 
equlup RC Car Speed Transmission Case, 2 Speed Gear Box Replacement 02076 RC Vehicle Gearbox Assembly for HSP 94122 94102 1/10
- WIDE APPLICATION: This speed gear box is fit for HSP 94122 94102 1/10 RC car, which is a good RC accessory with strong compatibility. Please make sure the intercharge part number matches the part you...
- MATERIAL: The RC gear box is made of plastic and steel materials, offers exceptional durability and resilience. Its robust material ensures that it is not prone to breakage, providing long-lasting...
- MAIN FUNCTION: The internal gears of the gearbox are delicate and smooth, which can reduce the noise of gear transmission, make the surroundings of the RC car quiet, and improve your user experience
- HIGH PERFORMANCE: The 2-speed gearbox with better performance and stable architecture can improve the overall performance and durability of RC vehicles, making the RC remote control vehicle have a...
- EASY TO INSTALL: The gearbox has standard size of approximately 58 x 56 x 45 millimeters/2.3 x 2.2 x 1.8 inches, making it easy to install and remove, and allowing for direct replacement of old or...
No. 8 
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. 9 
RZXYL 1/10 RC Car Transmission Case Gearbox with Gear Full Alloy Assembled for SCX10 SCX10 II 90046 90047 RC Crawler Car, Black
- 🚗 Material：Made of high quality aluminum alloy more sturdier and more quiete
- 🚗 Superb Craftsmanship：Adopting CNC technology which makes it Lightweight,Beautiful shape. Made your car more attractive and cooler.
- 🚗 🚗 Suitable for:This gear box is designed for Axial SCX10, SCX10 II 90046 90047 1/10 RC Crawler Car, etc It's complete alloy gear box
- 🚗 Advantage:With Front Aluminum Protection Cover.Exquisite workmanship, smooth and durable It's complete straight gear alloy gear box. The internal parts are alloy also Match RZXYL Aluminum...
- 🚗 Customer service: If you have any question,please contact us FIRST and we will offer professional service to solve your problem We also have upgrade version(Reverse transmission case)
Save $8.51No. 10 
Valvoline Multi-Vehicle ATF Full Synthetic Automatic Transmission Fluid 1 GA
- For use in 95% of vehicles including most CVTs in operation with US registered light duty applications
- High performance conditioning agents prolong seal elasticity to prevent leaks
- Improved durability & transmission life with anti-wear technology to avoid costly repairs
- Enhanced high & low temp performance supports transmission fluid in all weather situations
- Full synthetic formula with advanced additives protects against transmission breakdown better than conventional fluids
Last update on 2025-06-02
