Drivetrain service

Start with the correct reference

Open the cited manufacturer reference for the assembly, sequence and checks. Replacement needs depend on inspection and the fitted components.

• Pinion, spur and gear mesh, PDF p. 24 (opens in a new tab)

  Manufacturer procedure · 77097-4-OM-EN-R05.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

Installed pinion

18 teethStock

Sources

• Source 1: traxxas.com (opens in a new tab)
• Source 2: traxxas.com (opens in a new tab)

Installed spur

54 teethStock

Sources

• Source 1: traxxas.com (opens in a new tab)
• Source 2: traxxas.com (opens in a new tab)
• Source 3: traxxas.com (opens in a new tab)

Pinion pitch

Mod 1Stock

Sources

• Source 1: traxxas.com (opens in a new tab)
• Source 2: traxxas.com (opens in a new tab)

Pinion bore

5 mmStock

Sources

• Source 1: traxxas.com (opens in a new tab)
• Source 2: traxxas.com (opens in a new tab)

Spur pitch

Mod 1Stock

Sources

• Source 1: traxxas.com (opens in a new tab)
• Source 2: traxxas.com (opens in a new tab)
• Source 3: 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.