| British Rail Class 207 (3D) | |
|---|---|
 South Central 207202 at Hurst Green in 2002 | |
| In service | 1962-2004 |
| Manufacturer | BR Eastleigh |
| Number built | 19 trainsets |
| Successor | Class 170 |
| Formation | 3 cars per trainset |
| Operators | |
| Specifications | |
| Maximum speed | 75 mph (121 km/h) |
| Weight | 56 long tons (56.9 t; 62.7 short tons) |
| Prime mover(s) | English Electric 4SRKT Mark II (4-cylinder diesel) |
| Power output | 600 shp (450 kW) at 850 rpm |
| Coupling system | Drophead buckeye[1] |
| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge |
The British Rail Class 207 (3D) diesel-electric multiple units were built by BR at Eastleigh in 1962. The fleet had a lifespan of 42 years. The Southern Region class 201 to 207 DEMUs are nicknamed 'Thumpers' due to the distinctive sound of their engines.[2][3]
- ^ System Data for Mechanical and Electrical Coupling of Rail Vehicles in support of GM/RT2190 (PDF). London: Rail Safety and Standards Board. 22 June 2011. p. 4. SD001. Archived from the original (PDF) on 1 April 2012. Retrieved 22 November 2022.
- ^ "Preserved Thumpers". Preservedthumpers.com. Archived from the original on 19 August 2014. Retrieved 11 October 2017.
- ^ Skinner, Paul. "Epping Ongar Railway - Rolling Stock Department - Diesel-Electric Multiple Units". Eorailway.co.uk. Archived from the original on 17 February 2015. Retrieved 11 October 2017.