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Japanese Government Railways class C58
The C58 was the only class of 2-6-2 “Prairie” tender locomotives in Japan. Intended as a successor to the class 8620 2-6-0, it had a trailing axle to increase its power. It was designed by Izumiichiro Hosokawa under t...
General
| Property | Japanese Government Railways class C58Remove |
|---|---|
| Built | 1938-1947 |
| Manufacturers | Kawasaki, Kisha Seizō |
| Wheel arrangement | 2-6-2 (Prairie) |
| Gauge | 1,067 mm (Cape gauge) |
Dimensions and weights
| Property | Japanese Government Railways class C58Remove |
|---|---|
| Length | 18.28 m |
| Wheelbase | 8.44 m |
| Rigid wheelbase | 3.47 m |
| Total wheelbase | 15.90 m |
| Service weight | 58.7 t |
| Adhesive weight | 40.5 t |
| Axle load | 13.5 t |
| Total weight | 100.2 t |
| Water capacity | 17,000 l |
| Fuel capacity | 6 t (coal) |
Boiler
| Property | Japanese Government Railways class C58Remove |
|---|---|
| Grate area | 2.15 m² |
| Firebox surface | 10.9 m² |
| Tube heating surface | 86 m² |
| Evaporative heating surface | 96.9 m² |
| Superheater surface | 40.7 m² |
| Total heating surface | 137.6 m² |
Power plant
| Property | Japanese Government Railways class C58Remove |
|---|---|
| Driver diameter | 1,520 mm |
| Boiler pressure | 16 bar |
| Expansion type | simple expansion |
| Cylinders | two, 480 x 610 mm |
Power
| Property | Japanese Government Railways class C58Remove |
|---|---|
| Power source | steam |
| Indicated power | 818 kW (1,112 PS) |
| Starting effort | 125.8 kN |
Calculated values
| Property | Japanese Government Railways class C58Remove |
|---|---|
| Factor of adhesion | 1 : 3.16 |
| Optimal speed | 40 km/h |
| Power-to-weight ratio | 13.9 kW/t |
| Heating Surface Equivalent | 232.8 m² |
| Cylinder volume/HSE | 1 : 948.31 |
| Adhesive weight/Total | 1 : 1.45 |
| Tractive force/Heating surface | 1 : 19.09 |
| Grate area/Heating surface | 1 : 64.00 |
| Firebox/Tube surface | 1 : 7.89 |
| Total/Superheater | 1 : 2.38 |
