British Rail Class 91

Specifications
Specifications
Configuration:;
• Whyte	Bo-Bo
• UIC	Bo'Bo'
Gauge	1,435 mm (4 ft 8 1⁄2 in) standard gauge
Length	63 ft 8 in (19.41 m)
Loco weight	84 tonnes (83 long tons; 93 short tons)
Electric system/s	25 kV AC
Current pickup(s)	Pantograph
Loco brake	Air
Train brakes	Air

Type and origin
Type and origin
Power type	Electric
Builder	BREL
Build date	1988–1991
Total produced	31

British Rail Class 91
British Rail Class 91
	91130 at York railway station
Power type
Type and origin
Power type	Electric
Builder	BREL
Build date	1988–1991
Total produced	31
Configuration:;
Specifications
Configuration:;
• Whyte	Bo-Bo
• UIC	Bo'Bo'
Gauge	1,435 mm (4 ft 8 1⁄2 in) standard gauge
Length	63 ft 8 in (19.41 m)
Loco weight	84 tonnes (83 long tons; 93 short tons)
Electric system/s	25 kV AC
Current pickup(s)	Pantograph
Loco brake	Air
Train brakes	Air
Maximum speed
Performance figures
Maximum speed	Design:; 140 mph (225 km/h); Service:; 125 mph (201 km/h); No. 2 cab leading:; 110 mph (177 km/h); As light locomotive:; 75 mph (121 km/h);
Brakeforce	45 long tons-force (450 kN)
Operators
Career
Operators	British Rail; GNER; National Express East Coast; Virgin Trains East Coast; London North Eastern Railway;
Numbers	91001–91031; later 91101–91122, 91124-91132
Disposition	In service: 12; Stored: 6; Scrapped: 12; Preserved: 1;

The British Rail Class 91 is a class of 140 mph, 6,300 hp electric locomotives ordered specifically for the East Coast Main Line modernisation and electrification programme of the late 1980s. Built to replace the previous British Rail Class 43 (also called the InterCity 125) and British Rail Class 55, the Class 91s were given the auxiliary name of InterCity 225 to indicate their status as a new version of the 125 and their envisaged top speed of 225 km/h (140 mph). The other end of the InterCity 225 train set is formed of a Driving Van Trailer, built with a similar bodyshell to the Class 91 locomotives.

Notes

↑ Imposed to ensure that the locomotive can be adequately braked by the friction brakes alone in the event that the rheostatic brake fails.^[1]

References

↑ ^1.0 ^1.1 ^1.2 Fawcett, M. (April 2008). Vehicle Diagram Book - Class 91 Locomotive (1 ed.). London: HSBC Rail UK. EV/DB0910. Archived from the original on 6 May 2021. Retrieved 6 May 2021.

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[2] Imposed to ensure that the locomotive can be adequately braked by the friction brakes alone in the event that the rheostatic brake fails.^[1]

[wnh-1] 1.0 ^1.1 ^1.2 Fawcett, M. (April 2008). Vehicle Diagram Book - Class 91 Locomotive (1 ed.). London: HSBC Rail UK. EV/DB0910. Archived from the original on 6 May 2021. Retrieved 6 May 2021.

[1]

[note 1]