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Japanese National Railways classes C59 and C60
The class C59 was a Pacific locomotive of the JNR that was based on the C55 and C57. At an axle load of 16 tonnes, they were able to handle up to 17 passenger cars. Between 1941 and 1943, 100 were built which were cal...
| Japanese National Railways classes C59 and C60Remove | |
|---|---|
| Variant | C59 pre-war type |
| Built | 1941-1943 |
| Manufacturers | Kisha Seizō;Kawasaki;Hitachi |
| Wheel arrangement | 2C1 |
| Gauge | 1067 mm |
| Length | 21360 mm |
| Service mass | 80250 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Japanese National Railways classes C59 and C60C59 pre-war type |
|---|---|
| Built | 1941-1943 |
| Manufacturers | Kisha Seizō, Kawasaki, Hitachi |
| Wheel arrangement | 4-6-2 (Pacific) |
| Gauge | 1,067 mm |
Dimensions and weights
| Property | Japanese National Railways classes C59 and C60C59 pre-war type |
|---|---|
| Length | 21.36 m |
| Wheelbase | 10.01 m |
| Total wheelbase | 18.73 m |
| Service mass | 80.3 t |
| Adhesion mass | 48.5 t |
| Total mass | 137.2 t |
| Rigid wheelbase | 3.80 m |
| Axle load | 16.2 t |
| Water capacity | 25,000 l |
| Fuel capacity | 10 t (coal) |
Boiler
| Property | Japanese National Railways classes C59 and C60C59 pre-war type |
|---|---|
| Grate area | 3.27 m² |
| Firebox surface | 12.7 m² |
| Tube heating surface | 155.8 m² |
| Evaporative heating surface | 168.5 m² |
| Superheater surface | 71.1 m² |
| Total heating surface | 239.6 m² |
Power plant
| Property | Japanese National Railways classes C59 and C60C59 pre-war type |
|---|---|
| Driver diameter | 1,750 mm |
| Boiler pressure | 16 bar |
| Expansion type | simple expansion |
| Cylinders | two, 520 x 660 mm |
Power
| Property | Japanese National Railways classes C59 and C60C59 pre-war type |
|---|---|
| Power source | steam |
| Estimated power | 1,250 kW (1,700 PS) |
| Starting effort | 138.7 kN |
Calculated values
| Property | Japanese National Railways classes C59 and C60C59 pre-war type |
|---|---|
| Factor of adhesion | 1 : 3.43 |
| Optimal speed | 55 km/h |
| Power-to-weight ratio | 15.6 kW/t |
| Heating Surface Equivalent | 374.2 m² |
| Cylinder volume/HSE | 1 : 749.15 |
| Adhesive weight/Total | 1 : 1.65 |
| Tractive force/Heating surface | 1 : 12.09 |
| Grate area/Heating surface | 1 : 73.27 |
| Firebox/Tube surface | 1 : 12.27 |
| Total/Superheater | 1 : 2.37 |
