Spektrum S905 large-scale metal-gear digital servo — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/spektrum-s905-servo/  (sheet CC BY 4.0)
Basis: Manufacturer specifications (ARRMA (Horizon Hobby))
Catalog version: 2026-10-20

Overall (mm): length 60, width 29, height 55
- 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.

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

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- ARRMA (Horizon Hobby): ARRMA 1/5 Kraton 8S 4X4 RTR (servo specifications) — web — Publisher's page; dimensions are facts — https://www.arrma-rc.com/rc-cars/latest/kraton/8s-blx

Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/spektrum-s905-servo/index.json
API: https://xemstudio.com/api/geometry?object=spektrum-s905-servo