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British Rail class 31 and Brush Traction type 2
The life of the class 31 actually began as the class 30, also known as the Brush Type 2. These locomotives used from October 1957 had six axles with four powered axles, fitted with a Mirlees JVS12T with 1,250 or 1,365...
General
| Property | British Rail class 31 and Brush Traction type 2 as built |
|---|---|
| Built | 1957-1962 |
| Manufacturers | Brush Traction |
| Wheel arrangement | A1A-A1A |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | British Rail class 31 and Brush Traction type 2 as built |
|---|---|
| Length | 17.30 m |
| Wheelbase | 13.06 m |
| Service weight | 108.4 t |
| Adhesive weight | 74 t |
| Axle load | 18.5 t |
| Fuel capacity | 2,498 l (Diesel) |
Power plant
| Property | British Rail class 31 and Brush Traction type 2 as built |
|---|---|
| Engine | Mirrlees JVS12T |
| Engine type | V12 diesel |
Power
| Property | British Rail class 31 and Brush Traction type 2 as built |
|---|---|
| Power source | diesel-electric |
| Indicated power | 932 kW (1,267 PS) |
| Top speed | 129 km/h |
| Starting effort | 159.7 kN |
Calculated values
| Property | British Rail class 31 and Brush Traction type 2 as built |
|---|---|
| Factor of adhesion | 1 : 4.54 |
| Power-to-weight ratio | 8.6 kW/t |
| Adhesive weight/Total | 1 : 1.47 |
