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Great Northern (US) class Z-1
While building the second Cascade Tunnel, the Great Northern ordered five pairs of semi-permanently coupled electric locomotives from Baldwin and Westinghouse. While originally only the first tunnel was electrified at...
| Great Northern (US) class Z-1Remove | |
|---|---|
| Variant | Standard |
| Built | 1926-1928 |
| Manufacturers | m:Baldwin;e:Westinghouse |
| Wheel arrangement | 1Do1 |
| Gauge | 1435 mm |
| Length | 14376 mm |
| Service mass | 168328 kg |
| Top speed | 72 km/h |
| Power | |
| Engine |
General
| Property | Great Northern (US) class Z-1 Standard Remove |
|---|---|
| Built | 1926-1928 |
| Manufacturers | mechanical part: Baldwin, electrical part: Westinghouse |
| Wheel arrangement | 1-D-1 |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Great Northern (US) class Z-1 Standard Remove |
|---|---|
| Length | 14.38 m |
| Service mass | 168.3 t |
| Adhesion mass | 129.2 t |
| Axle load | 32.3 t |
Power
| Property | Great Northern (US) class Z-1 Standard Remove |
|---|---|
| Power source | electric - AC |
| Continuous power | 1,365 kW (1,856 PS) |
| Top speed | 72 km/h |
| Starting effort | 316.0 kN |
Calculated values
| Property | Great Northern (US) class Z-1 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 4.01 |
| Power-to-weight ratio | 8.1 kW/t |
| Adhesive weight/Total | 1 : 1.30 |
