Traxxas Spider Gear Shaft & Spacers RC Spare Part - 7783

The Traxxas TRX7783 Spider Gear Shaft set provides direct-fit replacement drivetrain components for a range of Traxxas RC models. The kit includes two spider gear shafts, four spacers, and two 16x23.5x0.5mm thrust washers — all the parts needed to rebuild or restore the differential assembly on compatible Traxxas vehicles. Keeping these small but critical components in good condition is essential for smooth power transfer and reliable drivetrain performance.

Key Features

• Includes two spider gear shafts for differential rebuilds
• Four spacers and two 16x23.5x0.5mm thrust washers included for a complete service kit
• Direct-fit Traxxas genuine spare part — no modification required
• Covers six compatible Traxxas model variants across the TRX-4 and related platforms
• Essential for restoring differential function after wear or damage

What's Included

• 2x Spider Gear Shafts
• 4x Spacers
• 2x 16x23.5x0.5mm Thrust Washers

What You Need

• Compatible Traxxas vehicle (models 77036-4, 77096-4, 77097-4, 77136-4, 78086-4, or 78097-4)
• Basic RC tool set for differential disassembly and reassembly
• Diff oil (recommended when servicing the differential)