The RC4WD R7 Crawler Transmission is a 1-speed replacement gearbox designed for 1:10 scale crawler vehicles. It serves as a direct mechanical link between the motor and the drivetrain, delivering consistent torque transfer across rough terrain.
1:10 crawler gear ratio provides steady, controlled movement over obstacles
Durable metal construction built for repeated off-road use
Direct-fit replacement for RC4WD R7-equipped crawler platforms
Compact design fits within standard crawler chassis without modification
What makes the R7 Transmission stand out
The R7 series uses a single-speed 1:10 ratio optimised for low-speed crawling rather than high-speed driving. This gear reduction maximises torque at the wheels, making it suitable for steep inclines and uneven surfaces where precision matters more than pace.
Ideal for
Off-road RC crawler enthusiasts who need a reliable stock replacement or a spare unit for extended trail sessions. The transmission is purpose-built for RC4WD R7-compatible platforms and is not suited for high-speed on-road applications.
Application of the RC4WD R7 Crawler Transmission
Remove the existing gearbox from the crawler chassis
Install the R7 transmission in the same mounting position
Connect the motor shaft and output shaft to the corresponding drivetrain components
Verify gear engagement and smooth rotation before driving
RC4WD is a specialist manufacturer of radio-controlled crawler components and drivetrain parts, focused on 1:10 scale off-road platforms. The brand supplies replacement gearboxes, suspension parts, and chassis components designed for serious rock crawling and trail use.
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