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ALCO DH-643
The DH-643 was a type of diesel-hydraulic road switchers built by ALCO for Southern Pacific in 1964. Internally it was also called C-643DH or Century 643 DH. Three were built after the SP had received their first ML-4...
| ALCO DH-643Remove | |
|---|---|
| Variant | Standard |
| Built | 1964 |
| Manufacturers | ALCO |
| Wheel arrangement | CoCo |
| Gauge | 1435 mm |
| Length | 23114 mm |
| Service mass | 171458 kg |
| Top speed | 124 km/h |
| Power | |
| Engine | ALCO 251C |
General
| Property | ALCO DH-643 Standard Remove |
|---|---|
| Built | 1964 |
| Manufacturers | ALCO |
| Wheel arrangement | C-C |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | ALCO DH-643 Standard Remove |
|---|---|
| Length | 23.11 m |
| Service mass | 171.5 t |
| Adhesion mass | 171.5 t |
| Axle load | 28.6 t |
Power plant
| Property | ALCO DH-643 Standard Remove |
|---|---|
| Engine | ALCO 251C |
| Engine type | 2x V12 diesel |
Power
| Property | ALCO DH-643 Standard Remove |
|---|---|
| Power source | diesel-hydraulic |
| Indicated power | 3,207 kW (4,360 PS) |
| Top speed | 124 km/h |
| Starting effort | 422.6 kN |
Calculated values
| Property | ALCO DH-643 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 3.98 |
| Power-to-weight ratio | 18.7 kW/t |
| Adhesive weight/Total | 1 : 1.00 |
