Traxxas Pro-Built Center Differential Finned Aluminum

Brand: Traxxas
Model number: TRA6780
The Traxxas Pro-Built Center Differential replaces the stock slipper clutch to smooth driveline shock and deliver even power to all four wheels. Sealed and preloaded with thick 1,000,000-weight silicone oil, it’s ideal for racers and heavy bashers who want consistent traction and longer drivetrain life.
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$72.99

Product Details

The Traxxas Pro-Built Center Differential replaces the stock slipper clutch to smooth driveline shock and deliver even power to all four wheels. Sealed and preloaded with thick 1,000,000-weight silicone oil, it’s ideal for racers and heavy bashers who want consistent traction and longer drivetrain life.
Cars: Traxxas Rally, Traxxas Slash 4x4, Traxxas Stampede 4x4, Traxxas Telluride
Use: Upgrade
Needed to Complete (not included):
  • Hobby knife
  • Glue
  • Paint and finishing tools
NOTE: Photo of completed model is for illustrative purposes only. This is a model kit that requires assembly.

More info

Traxxas Pro-Built Center Differential replaces the stock slipper clutch to absorb driveline impacts and send power evenly to all four wheels. The unit ships fully assembled and preloaded, so it’s ready to install for drivers upgrading traction and drivetrain durability.

Key Features

  • Absorbs driveline shocks to reduce stress on gears and bearings, extending drivetrain life.
  • Finned aluminum housing that speeds heat dissipation for cooler operation during hard runs.
  • 54-tooth, 32-pitch steel spur gear built for long-lasting strength under aggressive driving.
  • Sealed, fully assembled unit preloaded with thick 1,000,000-weight silicone oil to help prevent unloading and front tire ballooning.
  • Requires a 32-pitch pinion gear for correct engagement and reliable operation.

Why Choose This Differential

This Pro-Built center differential is designed for hobbyists who want a direct, durable upgrade over a slipper clutch. The finned aluminum case and steel spur gear stand up to heavy use, while the sealed, preloaded oil reduces inconsistent traction and tire ballooning under boost. If you need smoother power distribution and improved drivetrain life, the Traxxas Pro-Built Center Differential is a focused upgrade that delivers performance where it counts.

About the Brand

Traxxas

Customer reviews


Scott 03/19/2023

Awesome grip for Stampede

Put this on my kid's Stampede VXL 4x4 using a 3S battery. My kid thinks it's faster now, but really, it's just got better control. It still wheelies but the acceleration is much smoother. I thought about using lighter oil to cut down the wheelies, but it's working great as is. Definitely better than using the spring-loaded diff!

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Matt 03/14/2021

Solid after a year

Been using this for over a year with XO-1 differential gears, aluminum drive shaft, and MIP CVD shafts in my Rustler 4x4. Super durable setup! According to the instructions, it comes with 1M weight differential lube straight from the factory.

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Hank 01/30/2020

Really Good

So far so good! Had a few runs over the weekend with my Slash 4x4, 2650kv motor, 4s LiPo. It's holding up to my bashing and seems really well built. It's not just a metal version of the old Platinum Edition center diff, it's a completely new design. Why use a center diff? Well, for wheelie control. It still does wheelie a bit but not as much. Comes w/ 1 Million weight fluid, which works great. Surprisingly, it still allows for diff action despite the thick fluid. For less powerful setups, you might wanna switch to thinner fluid.Cons: It's pricey for what it is. I hesitated for a while before buying... hoping the price drops soon.

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