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British Rail class 73
The class 73 is a dual-power locomotive developed to bridge the non-electrified sections of the third-rail electrified network of the Southern Region. The main reason for their introduction was that large goods yards ...
| British Rail class 73Remove | |
|---|---|
| Variant | |
| Built | 1965-1967 |
| Manufacturers | English Electric |
| Wheel arrangement | BoBo |
| Gauge | 1435 mm |
| Length | 16358 mm |
| Service mass | 78029 kg |
| Top speed | 145 km/h |
| Power | |
| Engine | English Electric 4SRKT Mk II |
General
| Property | British Rail class 73Remove |
|---|---|
| Built | 1965-1967 |
| Manufacturers | English Electric |
| Wheel arrangement | B-B |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | British Rail class 73Remove |
|---|---|
| Length | 16.36 m |
| Service mass | 78 t |
| Adhesion mass | 78 t |
| Axle load | 19.5 t |
Power plant
| Property | British Rail class 73Remove |
|---|---|
| Engine | English Electric 4SRKT Mk II |
| Engine type | 4-cyl. diesel |
Power
| Property | British Rail class 73Remove |
|---|---|
| Power source | electric - DC + diesel-electric |
| Continuous power | 1,059 kW (1,440 PS) |
| Indicated power | 447 kW (608 PS) |
| Top speed | 145 km/h |
| Starting effort | 177.9 kN |
Calculated values
| Property | British Rail class 73Remove |
|---|---|
| Factor of adhesion | 1 : 4.30 |
| Power-to-weight ratio | 13.6 kW/t |
| Adhesive weight/Total | 1 : 1.00 |
