TRAXXAS TRX4 Trail Crawler 35mm Motor Heat Sink with Top Fan TRX4018FAN by GPM  [TRX4018FAN]

35mm Aluminum motor cooling upgrade

This TRX4018FAN kit is an RC motor cooling accessory made for TRAXXAS TRX4 Trail Crawler applications, pairing a 35mm aluminium heatsink with a top-mounted fan to limit motor temperature during long, low-speed crawling and technical trail runs. The package uses a 35mm sink profile and comes with the adapter and fasteners required to fit common 540-size motors.

Compatibility: intended for 540 motors only, the unit uses the supplied plug adapter and the included screws for mechanical attachment. Installation normally requires removing the motor endbell where applicable, sliding the heatsink over the motor can, fastening the fan cover and wiring the fan to a compatible 5-12V source on your model's electrical system; confirm the fan voltage matches your ESC or auxiliary supply.

Tuning role: this heatsink and fan manage thermal load rather than altering gearing or power delivery; correct fitment reduces temperature rise under sustained low-speed torque and helps maintain predictable motor performance on technical crawls.