This kit includes a 33T differential bevel and a 12T pinion, both cut from 40CR steel and intended as an RC drivetrain spare for TRAXXAS TRX4-series crawlers and compatible TRX6 rigs. They sit within the front or rear gearbox and transmit torque across the differential gears.
Use the set to replace worn alloy or plastic parts or as a direct replacement during gearbox servicing. 40CR steel delivers a combination of wear resistance and impact strength suitable for trail use; always check gear engagement and bearing condition at fitting to avoid premature failure.
Fitting procedure: remove the gearbox cover, keep original shims and bearings, install the bevel and pinion with original orientation, and check backlash and rotation before final assembly. Intended for hobby model use only.
8279?8279R
A practical 40CR steel bevel and pinion set built for TRAXXAS TRX4 and TRX6 gearboxes, ideal for replacing worn components and regaining consistent drivetrain performance on trail rigs.
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