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| ROG 57 312 at Derby |
| Information | |
|---|---|
| Number built: | 33 rebuilds |
| Built: | 1964-67 (as Class 47) Rebuilds 1998-2005 |
| Builder: | Brush Traction (rebuilds) BR Crewe |
| Engine: | EMD 645-12E3 diesel (57/0) EMD 645-12F3B diesel (57/3 and 57/6) |
| Power: | 2, 500 hp (1, 864 kW) (57/0) 2, 750 hp (2, 051 kW) (57/3 and 57/6) |
| Wheel arrangement: | Co-Co |
The initial batch of twelve (57/0) were built as freight locomotives for Freightliner and now are operated by DRS. Virgin Trains had sixteen locomotives rebuilt as Class 57/3s to haul VT and Cross Country multiple units such as the Class 390 on "Thunderbird" duties (for diversionary routes and to rescue units in the event of an overhead line failure), these have provision for electric train heating and drop-head Dellner couplers to enable working with Virgin's (now Avanti West Coast's) multiple units. DRS now operate these "Thunderbird" locomotives as well.
First Great Western (later GWR) have had four rebuilt, also with electric train heating, as Class 57/6s to work sleeper trains from London Paddington to Penzance. Some Class 57s are now in service with West Coast Railways and the Railway Operations Group.
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| West Coast 57 313 at Derby |
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| DRS 57 309 at Rugby |
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| DRS 57 306 at Kidderminster Town |
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| West Coast 57 316 at Haslemere |
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| DRS 57 308 at Crewe |
[1] Colin J. Marsden, Traction Recognition (2nd Edition) (Ian Allan, 2009) p. 52
[2] Pip Dunn, British Rail Main Line Locomotives Specification Guide (Crowood Press, 2013) p. 126