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Class 117 (Pressed Steel Co. Suburban Services 3-car)

The Class 117 DMU was another first generation DMU built to the standard BR Derby design but manufactured by Pressed Steel, who had spare capacity at the time. These units were built for the modernisation of the London division of Western Region [1] and were built for high density routes. They had toilets in the trailer but originally had no gangways so if you were in one of the motor cars you were ought of luck! Gangways were later fitted and the units received full refurbishment in the late 1970s [2]

Information
Number built: 123 cars (41 3-car sets)
Built: 1959-61
Builder: Pressed Steel
Engine: 2 BUT (Leyland) 6-cyl diesels per power car
Power: 600 hp (450 kW)
Formation: Driving Motor Brake Standard (DMBS)+Trailer Composite Lavatory
(TCL)+Driving Motor Standard (DMS)

Some units later moved to Birmingham where they operated on the Cross City line and in Scotland. They remained on Cross City and London services until well into the 1990s and the last were finally withdrawn in 2000. Twelve cars have been preserved.
W51354, a DMBS, at Rowsley South

08 830 and W51534

[1] Colin J Marsden, DMU and EMU Recognition Guide (Ian Allan, 2013) p. 72
[2] Brian Haresnape, Diesel Multiple Units: The First Generation (Ian Allan, 1985) p. 59