British Rail Class 710

The British Rail Class 710 Aventra is a class of electric multiple unit passenger trains built by Bombardier Transportation for use on the London Overground network. The trains are part of Bombardier's Aventra family. The contract to provide 45 four-car trains was awarded in July 2015 and the trains were originally due to enter service in May 2018, although introduction was delayed until May 2019.

British Rail Class 710
Aventra
London Overground Class 710 at Hackney Downs
The interior of a Class 710 unit
In service23 May 2019  present
ManufacturerBombardier Transportation
Built atDerby Litchurch Lane Works
Family nameAventra
Replaced
Constructed2017–2020
Number built54
Formation
  • 4 cars per 710/1 and 710/2 unit:
  • DMS-PMS(W)-MS-DMS
  • 5 cars per 710/3 unit:
  • DMS-MS-PMS(W)-MS-DMS
Fleet numbers
  • 710101–710130
  • 710256–710273
  • 710374–710379
Capacity
  • 4-car:
  • 189 seats plus 489 standees
  • 5-car:
  • 241 seats plus 641 standees
OperatorsLondon Overground
Depots
  • Willesden (London)
  • Ilford (London)
Lines served
Specifications
Car body constructionAluminium
Train length
  • 4-car: 82.87 m (271 ft 11 in)
  • 5-car: 102.86 m (337 ft 6 in)
Car length
  • DM vehs.: 21,446 mm (70 ft 4 in)
  • Others: 19,990 mm (65 ft 7 in)
Width2,772 mm (9 ft 1 in)
Height3,760 mm (12 ft 4 in)
Doors
  • Double-leaf sliding plug
  • (2 per side per car)
Maximum speed75 mph (121 km/h)
Weight
  • 710/1: 144 tonnes (142 long tons; 159 short tons)
  • 710/2: 151 tonnes (149 long tons; 166 short tons)
  • 710/3: 182 tonnes (179 long tons; 201 short tons)
Electric system(s)
Current collector(s)
BogiesBombardier Flexx-Eco
Braking system(s)
Safety system(s)
Coupling systemDellner 12
Multiple working
  • Within class (up to 12 cars total)
Track gauge1,435 mm (4 ft 8+12 in) standard gauge
Notes/references
Sourced from unless otherwise noted.
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