Differential service

Start with the correct reference

Differential access, removal and refill sequence for the original assemblies.

• Owner's manual, model 78086-4, PDF p. 29 (opens in a new tab)

  Manufacturer procedure · Traxxas 78086-4; cover-matched English edition 78086-4-OM-EN-R06.pdf

Parts, tools and consumables

Part links open an exact-model OEM listing. Quantities, reused hardware and condition-dependent replacements may need checking in the manual. A listed part is not an instruction to replace it.

Setup specifications

Differentials

Limited-slip front and rearStock

Sources

• Source 1: traxxas.com (opens in a new tab)

Diff oil, front

SAE 10,000W (maker grade)Stock

Sources

• Source 1: traxxas.com (opens in a new tab)

Diff oil, rear

30,000W (maker grade)Stock

Sources

• Source 1: traxxas.com (opens in a new tab)

Keep the axle positions and original units shown. Values describe the cited configuration. Replacement-derived and community figures keep their stated basis.