TRAXXAS XRT & X-Maxx Front Diff Set with Upper Bulkhead XRT12KIT by GPM  [XRT12KIT]

Compatibility and fitment notes

This GPM kit is an aftermarket replacement package that pairs front complete differentials with an upper bulkhead and diff housing for TRAXXAS XRT and X-Maxx models. It is intended to provide a tougher front drivetrain option for large-scale electric monster trucks operating under heavy loads.

The differential internals are 4140 carbon steel with heat treatment to deliver improved torsional strength and wear resistance. The assembly includes a 32T bevel diff gear and a 10T front pinion gear using module M1.6 as in the source specification. The differential housing and upper bulkhead are CNC machined from 7075-T6 aluminium for increased rigidity while maintaining practical weight for RC dynamics.

As marketed, the kit installs as a direct replacement for the factory front assembly on the models listed below and is intended to enhance drivetrain durability rather than change steering geometry or suspension characteristics.

For technicians and hobbyists requiring a robust front drivetrain replacement for TRAXXAS models, this GPM kit offers 4140 steel gears and 7075 housings to address the increased stresses of heavy RC operation.