British Rail Class 755

British Rail Class 755
*FLIRT*
British Rail Class 755; FLIRT
	Greater Anglia Class 755 unit stabled at Ipswich
	Standard-class interior of a Class 755 unit
In service	29 July 2019 – present
Manufacturer	Stadler Rail
Assembly	Stadler Bussnang AG
Built at	Bussnang, Switzerland; Siedlce, Poland;
Family name	FLIRT
Replaced	Cl. 37 locos & Mk. 2 carriages; Class 153; Class 156; Class 170;
Constructed	2018–2020
Number built	38; (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;
Owners	Rock Rail
Operators	Greater Anglia
Depots	Crown Point (Norwich)
Lines served	East Anglian regional routes
Specifications
Car body construction	Aluminium
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);
Height	3.915 m (12 ft 10.1 in)
Floor height	960 mm (3 ft 2 in)
Doors	Double-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);
Wheelbase	Bogies: 2.700 m (8 ft 10.3 in)
Maximum speed	100 mph (160 km/h)
Traction system	IGBT
Prime mover(s)	Deutz 16-litre V8 turbo-diesel (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)	AWS; TPWS; (plus provision for ETCS);
Coupling system	Dellner
Multiple working	Within class (max. 3 units)
Track gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Notes/references
	Sourced from unless otherwise noted.

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 (Fast Light Innovative Regional Train) modular train family, the trains first entered service on 29 July 2019 and are used on regional and local services throughout East Anglia, as well as some intercity services between Norwich and London.