British Rail Class 15
The British Rail Class 15 diesel locomotives, also known as the BTH Type 1, were designed by British Thomson-Houston, and built by the Yorkshire Engine Company and the Clayton Equipment Company, between 1957 and 1961.
| BTH Type 1 British Rail Class 15 | |
| |
| Sole surviving Class 15 no D8233 seen at Baron Street Loco Shed, East Lancashire Railway, February 2006 | |
| Power type | Diesel-electric |
|---|---|
| Builder | British Thomson-Houston at Clayton Equipment Company |
| Build date | 1957–1961 |
| Total production | 44 |
| Configuration | Bo-Bo |
| UIC classification | Bo'Bo' |
| Gauge | Lua error in package.lua at line 80: module 'Module:Track gauge/data' not found. |
| Wheel diameter | 3 ft 3+1⁄2 in (1.003 m) |
| Minimum curve | 3.5 chains (70 m) |
| Wheelbase | 31 ft 0 in (9.45 m) |
| Length | 42 ft 0 in (12.80 m) |
| Width | 9 ft 2 in (2.79 m) |
| Height | 12 ft 6 in (3.81 m) |
| Locomotive weight | 69 long tons (70.1 t) |
| Fuel capacity | 400 imp gal (1,800 L; 480 US gal) |
| Prime mover | Paxman 16YHXL |
| Generator | BTH RTB10858 |
| Traction motors | BTH 137AZ, 4 off |
| Transmission | DC generator, DC traction motors |
| Multiple working | ★ Blue Star |
| Top speed | 60 mph (97 km/h) |
| Power output | Engine: 800 hp (597 kW) At rail: 627 hp (468 kW) |
| Tractive effort | Maximum: 37,500 lbf (166.8 kN) |
| Locomotive brakeforce | 31 long tons-force (310 kN) |
| Train brakes | Vacuum |
| Career | British Railways |
| Number | D8200–D8243 |
| Axle load class | RA 4 |
| Retired | 1968–1971 |
British Rail Class 15 Media
D8241 at East Finchley with local goods train, 1962
ADB968001 (ex D8233) at Colchester in 1980.
_BTH_Diesel_ADB968001.jpg)
