Differential service

Start with the correct reference

Use5000 silicone oil and the80 percent fill instruction for the exact Readyset gear differential. These are not the assembly-kit ball-differential instructions.

• Gear differential internals and oil filling, PDF p. 44 (opens in a new tab)

  Assembly drawing · 30859 exact manufacturer-linked 30859 T01,2015 Readyset

  An assembly drawing shows the components; it does not provide a complete service sequence.

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

No front diff, gear rearStock

Sources

• Source 1: rc.kyosho.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.