Library › RC cars › Pinions & spur gears ·

Traxxas 3943X 13-tooth 32-pitch gear

What size is Traxxas 3943X gear? · Modern device · basis: Maker's parts list (Traxxas)

Also called: Traxxas 3943X, traxxas 3943X, Traxxas part 3943X, 3943X gear, 13-t pinion (32-p), heavy duty (machined, hardened steel) (fits 3mm shaft)/ set screw, Traxxas 3943X size, Traxxas 3943X dimensions, Traxxas 3943X replacement, repuesto Traxxas 3943X, Traxxas 3943X Ersatzteil

Exact dimensions. True size, with no printing tolerance added.

length
11.78 mm
width
11.87 mm
height
1.0 mm

Notes

  • Traxxas part 3943X: Gear, 13-T pinion (32-p), heavy duty (machined, hardened steel) (fits 3mm shaft)/ set screw. Size exactly as printed in Traxxas's parts list; the file is built from that size only.
  • 13-tooth 32-pitch gear, 20° involute, module 0.7937 mm, Ø11.91 OD, Ø3 bore — 1 mm reference (face width not printed).
  • True size, no printing tolerance added.

Traxxas 3943X 13-tooth 32-pitch gear size chart

dimensionvalue
part numberTraxxas 3943X
name (as printed)Gear, 13-T pinion (32-p), heavy duty (machined, hardened steel) (fits 3mm shaft)/ set screw
size (as printed)3mm; 13-T pinion; 32-p
teeth13
pitch32 diametral pitch (module 0.7937 mm)
pitch diameter10.32 mm
outside diameter11.91 mm (standard addendum)
bore3 mm
face widthnot printed
used inTraxxas TRX-4 2021 Ford Bronco (1/10 crawler, 92076-4)

Where the files are

Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.

Traxxas (sheet hosted by Monsterhopups)TRX-4 Unassembled Kit (Model 82016-4) parts list, REV. 230615 0246, p. 5webPublisher's page; dimensions are facts

Free files

★ Free files 1 parts. Generated by Xem Studio from the standard; threads are plain cylinders at major diameter. CC BY 4.0. index.json

traxxas-3943x-gear-13-t-pinion-32-p-heavy-duty-machined-hardened-steel-fits-3mm-profile13-tooth 32-pitch gear, 20° involute, module 0.7937 mm, Ø11.91 OD, Ø3 bore — 1 mm reference (face width not printed)STEP · STL
Let your AI pull this. Add https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.
Set it up →

Plain text: sheet.txt · JSON: /api/geometry?object=traxxas-3943x-gear-13-t-pinion-32-p-heavy-duty-machined-hardened-steel-fits-3mm

Traxxas 3943X 13-tooth 32-pitch gear, isometric render of a generated part
Render of traxxas-3943x-gear-13-t-pinion-32-p-heavy-duty-machined-hardened-steel-fits-3mm-profile from the free STEP; not to scale.

Fits with

Questions

What size is Traxxas 3943X gear?

Traxxas 3943X 13-tooth 32-pitch gear