TRAXXAS XRT and X-Maxx Front Complete Diffs & Upper Bulkhead Upgrade - XRT12KIT by GPM  [XRT12KIT]

Front diff and bulkhead overview for installers

This GPM kit is an aftermarket RC-scale replacement set built for TRAXXAS XRT and X-Maxx platforms, combining complete front differentials with an upper bulkhead and differential housing. The components are intended to strengthen drivetrains subjected to heavy loads and repeated jumps on large electric monster trucks.

The differential internals use 4140 carbon steel with heat treatment to increase torsional strength and wear resistance, and include a 32T diff bevel gear and a 10T front pinion gear with module M1.6 as specified by the original source. The housing and upper bulkhead are CNC machined from 7075-T6 aluminum to raise rigidity while keeping weight suitable for RC handling.

Installation is designed as a direct replacement for the factory front assembly on the compatible models listed below. The kit focuses on improving drivetrain durability for aggressive off-road use without altering vehicle geometry or handling intent.

For builders who want a direct-replacement front drivetrain option for large TRAXXAS models, this GPM kit supplies 4140 steel gearing and 7075 aluminum housings to meet durability needs in heavy-duty RC operation.