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Spektrum S905 large-scale metal-gear digital servo
What are the dimensions of the Spektrum S905 large-scale metal-gear digital servo? · Modern device · basis: Manufacturer specifications (ARRMA (Horizon Hobby))
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Exact dimensions. True size, with no printing tolerance added.
- length
- 60 mm
- width
- 29 mm
- height
- 55 mm
Notes
- The S905 is the large-scale steering servo in the ARRMA Kraton 8S and Axial SCX6. The file is a 60 × 29 × 55 mm case.
- Mounting-tab spacing and output spline are not published on this page.
- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.
Spektrum S905 large-scale metal-gear digital servo size chart
| dimension | value |
|---|---|
| Size | 2.36 × 1.14 × 2.17 in (60 × 29 × 55 mm); the page prints the mm figures in a different order (60 × 55 × 29) |
| Torque | 38 kg-cm @ 6 V |
Where the files are
Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.
| ARRMA (Horizon Hobby) | ARRMA 1/5 Kraton 8S 4X4 RTR (servo specifications) | web | Publisher'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
| spektrum-s905-servo-envelope | Envelope 60 × 29 × 55 mm (Servo case as listed in inches (2.36 × 1.14 × 2.17 in)) | STEP · STL |
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.Plain text: sheet.txt · JSON: /api/geometry?object=spektrum-s905-servo
Fits with

Questions
How big is the Spektrum S905 servo?
2.36 × 1.14 × 2.17 in (60 × 29 × 55 mm), 38 kg-cm at 6 V.