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Milwaukee Road classes EF-4 and EP-4 “Little Joe”
Shortly after World War II, General Electric built 20 heavy electric locomotives for the Soviet Union. They were equipped for 3 kV DC and had an output of 5,525 hp . Each locomotive had two trucks with four driving ax...
| Milwaukee Road classes EF-4 and EP-4 “Little Joe”Remove | |
|---|---|
| Variant | Standard |
| Built | 1946 |
| Manufacturers | General Electric |
| Wheel arrangement | 2D+D2 |
| Gauge | 1435 mm |
| Length | 27080 mm |
| Service mass | 247480 kg |
| Top speed | 109 km/h |
| Power | 4120 kW |
| Engine |
General
| Property | Milwaukee Road classes EF-4 and EP-4 “Little Joe” Standard Remove |
|---|---|
| Built | 1946 |
| Manufacturers | General Electric |
| Wheel arrangement | 2-D+D-2 |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Milwaukee Road classes EF-4 and EP-4 “Little Joe” Standard Remove |
|---|---|
| Length | 27.08 m |
| Service mass | 247.5 t |
| Adhesion mass | 184.2 t |
| Axle load | 23 t |
Power
| Property | Milwaukee Road classes EF-4 and EP-4 “Little Joe” Standard Remove |
|---|---|
| Power source | electric - DC |
| Hourly power | 4,120 kW (5,602 PS) |
| Continuous power | 3,810 kW (5,180 PS) |
| Top speed | 109 km/h |
| Starting effort | 336.7 kN |
Calculated values
| Property | Milwaukee Road classes EF-4 and EP-4 “Little Joe” Standard Remove |
|---|---|
| Factor of adhesion | 1 : 5.37 |
| Power-to-weight ratio | 16.6 kW/t |
| Adhesive weight/Total | 1 : 1.34 |
