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US Railroad Administration 0-8-0
In addition to the light switcher with the 0-6-0 wheel arrangement, the USRA also designed a heavy switcher with the 0-8-0 wheel arrangement. Here, production was divided between the three manufacturers ALCO, Baldwin ...
| US Railroad Administration 0-8-0Remove | |
|---|---|
| Variant | Standard |
| Built | 1916-1919 |
| Manufacturers | ALCO;Baldwin;Lima |
| Wheel arrangement | D |
| Gauge | 1435 mm |
| Length | 20155 mm |
| Service mass | 99790 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | US Railroad Administration 0-8-0 Standard Remove |
|---|---|
| Built | 1916-1919 |
| Manufacturers | ALCO, Baldwin, Lima |
| Wheel arrangement | 0-8-0 (Eight-coupled) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | US Railroad Administration 0-8-0 Standard Remove |
|---|---|
| Length | 20.16 m |
| Wheelbase | 4.57 m |
| Total wheelbase | 16.12 m |
| Service mass | 99.8 t |
| Adhesion mass | 99.8 t |
| Total mass | 165.1 t |
| Rigid wheelbase | 4.57 m |
| Axle load | 24.9 t |
| Water capacity | 30,283 l |
| Fuel capacity | 14.5 t (coal) |
Boiler
| Property | US Railroad Administration 0-8-0 Standard Remove |
|---|---|
| Grate area | 4.329 m² |
| Firebox surface | 17.652 m² |
| Tube heating surface | 240.712 m² |
| Evaporative heating surface | 258.364 m² |
| Superheater surface | 59.179 m² |
| Total heating surface | 317.5 m² |
Power plant
| Property | US Railroad Administration 0-8-0 Standard Remove |
|---|---|
| Driver diameter | 1,295 mm |
| Boiler pressure | 12.1 bar |
| Expansion type | simple expansion |
| Cylinders | two, 635 x 711 mm |
Power
| Property | US Railroad Administration 0-8-0 Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 1,044 kW (1,419 PS) |
| Starting effort | 227.0 kN |
Calculated values
| Property | US Railroad Administration 0-8-0 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 4.31 |
| Optimal speed | 27 km/h |
| Power-to-weight ratio | 10.5 kW/t |
| Heating Surface Equivalent | 465.0 m² |
| Cylinder volume/HSE | 1 : 968.78 |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 14.93 |
| Grate area/Heating surface | 1 : 73.35 |
| Firebox/Tube surface | 1 : 13.64 |
| Total/Superheater | 1 : 4.37 |
