British Rail Class 755

The British Rail Class 755 FLIRT is a class of bi-mode multiple unit passenger train built by Stadler Rail for Greater Anglia. Part of the FLIRT modular train family, the trains first entered service on 29 July 2019 and are used on regional and local services throughout East Anglia. They may also be used on the Norwich to London intercity services.

British Rail Class 755
FLIRT
Greater Anglia Class 755 unit stabled at Ipswich
Standard-class interior of a Class 755 unit
In service29 July 2019  present
ManufacturerStadler Rail
AssemblyStadler Bussnang AG
Built at
Family nameFLIRT
Replaced
Constructed2018–2020
Number built38
(14 × 755/3, 24 × 755/4)
Formation
  • 3 cars per 755/3 unit:
  • DMSO-PP-PTSOW-DMSO
  • 4 cars per 755/4 unit:
  • DMSO-PTSO-PP-PTSOW-DMSO
Fleet numbers
  • 755/3: 755325–755338
  • 755/4: 755401–755424
Capacity
  • 755/3: 144 seats plus 23 tip-up
  • 755/4: 202 seats plus 27 tip-up
OwnersRock Rail
OperatorsGreater Anglia
DepotsCrown Point (Norwich)
Lines servedEast Anglian regional routes
Specifications
Car body constructionAluminium
Train length
  • 755/3: 65.0 m (213 ft 3 in)
  • 755/4: 80.7 m (264 ft 9 in)
Width
  • Passenger vehicles:
    2.720 m (8 ft 11.1 in)
  • Power Pack:
    2.822 m (9 ft 3.1 in)
Height3.915 m (12 ft 10.1 in)
Floor height960 mm (3 ft 2 in)
DoorsDouble-leaf sliding plug, each 1.300 m (4 ft 3.2 in) wide
(1 per side per car)
Wheel diameter
  • Powered: 870 mm (34 in)
  • Unpowered: 760 mm (30 in)
WheelbaseBogies: 2.700 m (8 ft 10.3 in)
Maximum speed100 mph (160 km/h)
Traction systemIGBT
Prime mover(s)Deutz 16-litre V8 (2 per 755/3, 4 per 755/4)
Power output
  • On AC power:
  • 2,600 kW (3,500 hp)
  • On diesel power:
  • 755/3: 960 kW (1,290 hp)
  • 755/4: 1,920 kW (2,570 hp)
Acceleration
  • On AC power:
  • 755/3: 1.3 m/s2 (4.3 ft/s2)
  • 755/4: 1.1 m/s2 (3.6 ft/s2)
  • On diesel power:
  • 755/3: 0.7 m/s2 (2.3 ft/s2)
  • 755/4: 0.9 m/s2 (3.0 ft/s2)
Electric system(s)25 kV 50 Hz AC overhead
Current collector(s)Pantograph
UIC classification
  • 755/3: Bo′2′2′2′Bo′
  • 755/4: Bo′2′2′2′2′Bo′
Safety system(s)
Coupling systemDellner
Multiple workingWithin class (max. 3 units)
Track gauge4 ft 8+12 in (1,435 mm) standard gauge
Notes/references
Sourced from unless otherwise noted.
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