D8568
News and Information
News and Information
Latest News
August 2025
D8568 is expected to have several running days in the next few month at the Severn Valley railway.
Please see the SVR website for confirmed dates
D8568 is the unique locomotive in our collection, being the only surviving example of the Clayton Type 1's which numbered 117 in total. D8568 is also our only diesel-electric loco.
D8568 is based on the Severn Valley Railway and is used throughout the running season, at diesel events.
Click the logo to visit the SVR website
D8568 Details
Built | 1964 | |
Length | 50ft 7in | |
Width | 8ft 9½in | |
Height | 12ft 8in | |
Weight | 69 Tons | |
Power Unit | Paxman 6ZHXL x 2 | |
Power Output | 450hp x 2 | |
Tractive Effort | 40,000 lbf Maximum | |
Transmission | DC Generator and Traction Motors | |
(GEC WT800 and GEC WT421 x 4) | ||
Max Speed | 60 MPH | |
Train Brake | Vacuum Only | |
Train Heat | None, through-piped for Steam Heat | |
(currently isolated on D8568) |

D8568 arrives at Doniford Halt on the WSR on the 12th June 2022 with a train for Minehead. Courtesy Tom Courtney
See the Gallery and Engineering pages for more photos of D8568
DIESEL TRACTION GROUP © All rights reserved