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British Rail Class 319
Northern Trains Class 319 at Liverpool Lime Street in 2023
The refurbished interior of a Northern Trains Class 319 in November 2023.
In service
1987–present
Manufacturer
British Rail Engineering Limited[1]
Built at
Holgate Road Works, York
Family name
BR Second Generation (Mark 3)
Replaced
Class 317
Class 321
Constructed
1987–1988, 1990[2]
Refurbished
1996–1999[1]
Number built
86
Number in service
3
(plus 2 converted to Cl. 768, 35 to Cl. 769, and 2 to Cl. 799)
Double-leaf sliding pocket, each 1.010 m (3 ft 3.8 in) wide(2 per side per car)[4]
Wheelbase
Over bogie centres: 14.170 m (46 ft 5.9 in)[4]
Maximum speed
100 mph (161 km/h)[1]
Weight
319/0 units as-built:[4]
DTSO(A) vehs.: 28.2 t (27.8 long tons; 31.1 short tons)
MSO vehs.: 49.2 t (48.4 long tons; 54.2 short tons)
TSO vehs.: 31.0 t (30.5 long tons; 34.2 short tons)
DTSO(B) vehs.: 28.1 t (27.7 long tons; 31.0 short tons)
Traction system
GTO thyristor[1]
Traction motors
4 × GEC G315BZ[1]
Power output
990 kW (1,330 hp)[5]
Electric system(s)
25 kV 50 Hz AC overhead
750 V DC third rail
Current collector(s)
Pantograph (AC)
Contact shoe (DC)
UIC classification
2′2′+Bo′Bo′+2′2′+2′2′
Bogies
Powered: BREL P7-4
Unpowered: BREL T3-7[4]
Minimum turning radius
70.4 m (231 ft 0 in)[4]
Braking system(s)
Electro-pneumatic (disc)[4][5]
(Westinghouse 3-step)[1]
Safety system(s)
AWS
TPWS
Coupling system
Tightlock[4]
Multiple working
Within class[2]
Track gauge
1,435 mm (4 ft 8+1⁄2 in) standard gauge
The British Rail Class 319 is an electric multiple unit passenger train built by British Rail Engineering Limited's Holgate Road carriage works for use on north–south cross-London services. These dual-voltage trains are capable of operating on 25 kV 50 Hz from AC overhead wires or 750V DC from a third rail.
Built in two batches in 1987–88 and 1990, the units were primarily used on the then-new Thameslink service from Bedford to Brighton and various other destinations south of London. The majority of the fleet remained in use on the Thameslink route after its reshaping and privatisation in 1997. Some of the fleet was also used by Connex South Central and latterly Southern on various services operating out of London Victoria, including flagship expresses to Brighton.
A total of 44 sets were converted to Class 769s which is a mixture of Bi-mode multiple units (BMU) and Tri-mode multiple units. Two Class 319s have been converted to a tri-mode Class 799 which runs on hydrogen and electricity with the 25kVAC and 750VDC equipment retained.
^ abcdefgClass 319 Electric Multiple Unit(PDF) (1A ed.). Derby: Porterbrook. August 2012. Archived from the original (PDF) on 21 April 2015. Retrieved 23 January 2014.
^ abcCite error: The named reference TRC1 was invoked but never defined (see the help page).
^Miles, Tony (February 2024). "'319s' finish with Northern". Moving Wheels. Modern Railways. No. 905. p. 87.
^ abcdefghijklmn"Vehicle Diagram Book No. 210 for Electrical Multiple Units (including A.P.T.)" (PDF). Barrowmore MRG. BRB Residuary Ltd. January 1988. EC209, EE233–EE234, EH234 (in work pp. 86–87, 176–179, 314–315). Archived from the original (PDF) on 3 March 2016. Retrieved 20 February 2016.
^ abcdFox, Peter (1994). British Railways Pocket Book No. 4: Electric Multiple Units (7th ed.). Sheffield: Platform 5 Publishing. pp. 32–34. ISBN 9781872524603.
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