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British Rail class 25 and Sulzer type 2
When it was noticed that the 75 mph (121 km/h) class 24 was too slow for many tasks, the 90 mph (145 km/h) class 25 was born. Thanks to an intercooler, the engine now produced 90 hp more. Several manufacturers deliver...
| British Rail class 25 and Sulzer type 2Remove | |
|---|---|
| Variant | Standard |
| Built | 1961-1967 |
| Manufacturers | Crewe;Darlington;Derby;Beyer, Peacock & Co. |
| Wheel arrangement | BoBo |
| Gauge | 1435 mm |
| Length | 15392 mm |
| Service mass | 74200 kg |
| Top speed | 145 km/h |
| Power | |
| Engine | Sulzer 6LDA28-B |
General
| Property | British Rail class 25 and Sulzer type 2 Standard Remove |
|---|---|
| Built | 1961-1967 |
| Manufacturers | Crewe, Darlington, Derby, Beyer, Peacock & Co. |
| Wheel arrangement | B-B |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | British Rail class 25 and Sulzer type 2 Standard Remove |
|---|---|
| Length | 15.39 m |
| Wheelbase | 11.13 m |
| Service mass | 74.2 t |
| Adhesion mass | 74.2 t |
| Axle load | 18.6 t |
Power plant
| Property | British Rail class 25 and Sulzer type 2 Standard Remove |
|---|---|
| Engine | Sulzer 6LDA28-B |
| Engine type | 6-cyl. diesel |
Power
| Property | British Rail class 25 and Sulzer type 2 Standard Remove |
|---|---|
| Power source | diesel-electric |
| Indicated power | 932 kW (1,267 PS) |
| Top speed | 145 km/h |
| Starting effort | 173.5 kN |
Calculated values
| Property | British Rail class 25 and Sulzer type 2 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 4.20 |
| Power-to-weight ratio | 12.6 kW/t |
| Adhesive weight/Total | 1 : 1.00 |
