British Rail Class 21
The British Rail Class 21, originally known as the North British Type 2 diesel-electric, was a type of diesel locomotive built by the North British Locomotive Company in Glasgow for British Railways in 1958-1960.
North British Type 2 diesel-electric British Railways Class 21 | |
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D6103 at Harringay West in 1959 | |
Power type | Diesel-electric |
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Builder | North British Locomotive Company |
Build date | 1958–1960 |
Total production | 58 |
Configuration | Bo-Bo |
UIC classification | Bo'Bo' |
Gauge | Lua error in package.lua at line 80: module 'Module:Track gauge/data' not found. |
Wheel diameter | 3 ft 7 in (1.092 m) |
Minimum curve | 3.5 chains (70 m) |
Wheelbase | 37 ft 0 in (11.28 m) |
Length | 51 ft 6 in (15.70 m) |
Width | 8 ft 8 in (2.64 m) |
Height | 12 ft 8 in (3.86 m) |
Locomotive weight | Lua error in Module:Convert at line 1850: attempt to index local 'en_value' (a nil value). |
Fuel capacity | 460 imp gal (2,100 l; 550 US gal) |
Prime mover | MAN L12V18/21S |
Traction motors | GEC WT440, 4 off |
Transmission | DC generator, DC traction motors |
Multiple working | D6100–D6137: ● Red circle D6138–D6157: ★ Blue star |
Top speed | 75 mph (121 km/h) |
Power output | Engine: 1,000 hp (746 kW) or 1,100 hp (820 kW) |
Tractive effort | Maximum: 45,000 lbf (200.2 kN) |
Train heating | Spanner 1,500 pounds (680 kg) per hour Steam generator |
Locomotive brakeforce | Lua error in Module:Convert at line 1850: attempt to index local 'en_value' (a nil value). |
Train brakes | Vacuum |
Career | British Railways |
Number | D6100–D6157 |
Axle load class | Route availability 6 (5 from 1969) |
Retired | 1967–1968 |
Disposition | 20 rebuilt to class 29, remainder scrapped |
- This is article is about diesel locomotives built 1958-1960. For 2007-era locomotives, see Vossloh G1206.
Starting in 2007, the classification has been reused for new Vossloh G1206 acquired by Euro Cargo Rail/EWS.