British Rail Class 317

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British Rail Class 317
NXEA 317506 Liverpool Street AB1.JPG
Class 317 at London Liverpool Street
In service 1981 - Current
Manufacturer BREL York
Constructed 1981 - 1986
Refurbishment 1999 - 2000
Railcare Wolverton
Number built 72 trainsets
Formation 4 cars per trainset
Operator First Capital Connect
National Express East Anglia (including Stansted Express)
Specifications
Car length 19.83 m
Width 3.70 m
Height 2.82 m
Maximum speed 100 mph (160 km/h)
Weight 137.3 t (317/1, 317/2, 317/7)
138.18 t (317/6 only)
Power output 746 kW
Voltage 25 kV AC Overhead
Gauge 1,435 mm
Class 317/1, no. 317305 at Cambridge on 23rd May 2003. This unit was one of several loaned by WAGN to LTS Rail from 1996-1999, which involved the red stripe of the NSE livery being repainted green. This unit is now numbered 317505 and operated by National Express East Anglia.

The British Rail Class 317 electric multiple units were built by BREL at York Works in two batches, from 1981-82 and 1985-87. They were the first of several classes of British Rail EMU to be based on the all-steel Mark 3 bodyshell, departing from the "PEP"-aluminium design which had spawned the earlier Class 313 to Class 315. The Mark 3 bodyshell was also the basis of Class 318, Class 455, and the diesel "sprinters" pioneered by the Class 150.