Traxxas 2431 31-tooth 48-pitch gear — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/traxxas-2431-gear-31-t-pinion-48-pitch-set-screw/  (sheet CC BY 4.0)
Basis: Maker's parts list (Traxxas)
Catalog version: 2026-10-20

Overall (mm): length 17.43, width 17.46, height 1.0
- Traxxas part 2431: Gear, 31-T pinion (48-pitch) / set screw. Size exactly as printed in Traxxas's parts list; the file is built from that size only.
- 31-tooth 48-pitch gear, 20° involute, module 0.5292 mm, Ø17.46 OD — 1 mm reference (face width not printed).
- True size, no printing tolerance added.

dimension  value
part number  Traxxas 2431
name (as printed)  Gear, 31-T pinion (48-pitch) / set screw
size (as printed)  31-T pinion; 48-pitch
teeth  31
pitch  48 diametral pitch (module 0.5292 mm)
pitch diameter  16.40 mm
outside diameter  17.46 mm (standard addendum)
bore  not printed
face width  not printed
used in  Traxxas Slash 2WD (1/10 short course truck, 58034)

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- Traxxas (sheet hosted by JEGS): Slash 2WD Unassembled Kit (Model 58014-4) parts list, REV. 201103 1248, p. 4 — web — Publisher's page; dimensions are facts — https://www.jegs.com/pdfs/430-58014-4-parts.pdf

Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/traxxas-2431-gear-31-t-pinion-48-pitch-set-screw/index.json
API: https://xemstudio.com/api/geometry?object=traxxas-2431-gear-31-t-pinion-48-pitch-set-screw