Traxxas Rear Complete (X-Maxx 8S) RC Differential - 7881

The Traxxas TRX7881 rear differential is a complete, ready-to-install replacement differential designed specifically for the Traxxas X-Maxx 8S. If your X-Maxx has suffered differential failure from hard bashing or extreme terrain use, this is the direct factory replacement unit that restores drivetrain function. Rather than sourcing and rebuilding individual internal components, the TRX7881 comes as a complete assembly, making the repair process straightforward for anyone comfortable working on their X-Maxx.

Key Features

• Complete rear differential assembly — no need to source individual internal components separately
• Direct factory fit for the Traxxas X-Maxx 8S, compatible with model numbers 77036-4, 77096-4, 77097-4, 77136-4, 78086-4, and 78097-4
• Designed to handle the torque demands of the X-Maxx 8S dual-motor drivetrain
• Restores stock differential performance after damage from aggressive bashing or terrain running
• Genuine Traxxas part, ensuring correct fitment and material specification

What's Included

• 1x Traxxas TRX7881 complete rear differential assembly

What You Need

• Appropriate hand tools for disassembly and reinstallation (screwdrivers, hex drivers)
• Traxxas differential fluid if refreshing the unit during installation
• Traxxas X-Maxx 8S (models 77036-4, 77096-4, 77097-4, 77136-4, 78086-4, or 78097-4) for fitment