British Rail Class 125
| British Rail Class 125 | |
|---|---|
Class 125 unit entering Liverpool Street in July 1966 | |
| In service | 1959–1977 |
| Manufacturer | BR |
| Built at | Derby Works |
| Family name | First generation |
| Replaced | Steam locomotives and carriages |
| Constructed | 1958–1959 |
| Scrapped | 1971 (1), 1976–1988 |
| Number built | 20 three-car sets |
| Number scrapped | All |
| Successor | Class 312 |
| Formation | DMBS-TS-DMS |
| Fleet numbers | 50988 - 51007 (DMS) 51154 - 51173 (DMBS) 59449 - 59468 (DTS) |
| Capacity | 266 second-class, no first |
| Operators | British Railways |
| Depots |
|
| Lines served | |
| Specifications | |
| Car body construction | Steel |
| Car length | 64 ft 0 in (19.51 m) over body |
| Width | 9 ft 4+1⁄2 in (2.858 m) |
| Height | 12 ft 9+1⁄2 in (3.899 m) |
| Doors | Slam |
| Maximum speed | 70 mph (113 km/h) |
| Weight |
|
| Prime mover(s) | Two 238-brake-horsepower (177 kW) Rolls-Royce C8NFLH |
| Power output | 952 bhp (710 kW) for 3-car set |
| Transmission | Hydraulic, Twin-disc (Rolls-Royce) torque converter |
| Coupling system | Screw |
| Multiple working | Orange Star |
| Track gauge | 4 ft 8+1⁄2 in (1,435 mm) |
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The British Rail Class 125 was a design of three car Diesel Multiple Unit built by BR Derby at Derby Works in 1958. They were almost identical in appearance to the Class 116.