Tamiya 42185 TRF417 Gear Differential Unit - Precision Race Part  [42185]

Enhance TRF Chassis Balance

The Tamiya 42185 - TRF417 Gear Differential Unit provides a gear-based option for drivers wanting to tune vehicle balance. By using different silicon oil viscosities, you can alter how the car transfers power between driven wheels.

Which Models Work

This differential is compatible with TRF416, TRF416WE, TRF416X and TRF417 chassis and is constructed to resist wear during regular track use. Follow the chassis manual for correct fitment and shimming practice.

Setup Advice

Experimenting with silicon oil lets you find the preferred level of traction and slip for your style. Many builders pair this part with Tamiya Item 53455 Silicon Damper Oil Hard Set (1000) to start their tuning process.