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Traxxas Titan 21T 550 reverse-rotation brushed motor (TRX-4)

What are the dimensions of the Traxxas Titan 21T 550 reverse-rotation brushed motor? · Modern device · basis: Secondary source: Big Boys With Cool Toys (retailer, Traxxas spec copy), RC Car Action (copy of the maker's figures; the maker publishes none directly)

Also called: titan 21t dimensions, titan 550 motor size, trx-4 motor size, traxxas 8676 motor, titan 21t length, 550 motor diameter, medidas motor titan 21t, titan 21t maße, traxxas titan 21t 550 reverse-rotation brushed motor specs

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

length
39 mm
width
39 mm
height
78 mm

Notes

  • The Titan 21T is the high-torque 550 brushed motor in the TRX-4 and TRX-6 crawlers. The file is the Ø39 × 57 mm can.
  • The two available copies of the spec sheet disagree on weight; both are listed. Mounting pattern is not published.
  • True size, no printing tolerance added. Only published numbers are used; anything not published is said so.
  • Secondary source: the numbers come from a retailer or magazine copy of the maker's specification.

Traxxas Titan 21T 550 reverse-rotation brushed motor size chart

dimensionvalue
Diameter1.53 in (39 mm); RC Car Action reprint lists 38.9 mm
Can length2.25 in (57 mm)
Overall length3.07 in (78 mm)
Shaft3 mm
Weight8.47 oz (240 g) per retailer copy; 390 g (13.76 oz) per RC Car Action reprint
Voltage16.8 V

Where the files are

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

Big Boys With Cool Toys (retailer, Traxxas spec copy)TRX-4 2021 Bronco 92076-4webPublisher's page; dimensions are facts
RC Car ActionTraxxas TRX-4 2021 Ford BroncowebPublisher'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-titan-21t-550-motor-envelopeEnvelope Ø39 × 57 mm (Motor including shaft (overall length); the file models the 57 mm can)STEP · STL
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Plain text: sheet.txt · JSON: /api/geometry?object=traxxas-titan-21t-550-motor

Traxxas Titan 21T 550 reverse-rotation brushed motor (TRX-4), isometric render of a generated part
Render of traxxas-titan-21t-550-motor-envelope from the free STEP; not to scale.

Fits with

550 / 555 size brushed DC motor: Ø35.8 × 57.0 mm, 2 × M3 on 25, isometric render of a generated part
550 / 555 size brushed DC motor: Ø35.8 × 57.0 mm, 2 × M3 on 258 sizes★ 2 files
RC plane outrunners (2212, 2216, 2826, 3508, 4110, 6374) and car inrunners (540 / 3650, 4274, 1/8 scale), isometric render of a generated part
RC plane outrunners (2212, 2216, 2826, 3508, 4110, 6374) and car inrunners (540 / 3650, 4274, 1/8 scale)12 sizes★ 5 files
Traxxas Velineon 3500 Kv brushless motor (540-size can), isometric render of a generated part
Traxxas Velineon 3500 Kv brushless motor (540-size can)36×36×77 mm★ 1 file
Traxxas Velineon 540XL 2400 Kv brushless motor, isometric render of a generated part
Traxxas Velineon 540XL 2400 Kv brushless motor36×36×91 mm★ 1 file
Traxxas BL-2s 3300 Kv brushless motor, isometric render of a generated part
Traxxas BL-2s 3300 Kv brushless motor36×36×80 mm★ 1 file

Questions

How big is the TRX-4 Titan 21T motor?

39 mm diameter, 57 mm can, 78 mm overall, 3 mm shaft.