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South Manchurian Railway Pashisa and Pashiha class
The South Manchurian Railway, commonly called “Mantetsu”, needed new locomotives to resume express train service after World War I. In 1919, six engines designed for burning lignite were ordered from Baldwin in the US...
General
| Property | South Manchurian Railway Pashisa and Pashiha class SL4 G2 |
|---|---|
| Built | 1919 |
| Manufacturers | Baldwin |
| Wheel arrangement | 4-6-2 (Pacific) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | South Manchurian Railway Pashisa and Pashiha class SL4 G2 |
|---|---|
| Length | 21.50 m |
| Service weight | 93.9 t |
| Adhesive weight | 57.2 t |
| Total weight | 148.3 t |
Boiler
| Property | South Manchurian Railway Pashisa and Pashiha class SL4 G2 |
|---|---|
| Grate area | 4.37 m² |
| Firebox surface | 15.92 m² |
| Tube heating surface | 209.27 m² |
| Evaporative heating surface | 225.19 m² |
| Superheater surface | 54.83 m² |
| Total heating surface | 280.0 m² |
Power plant
| Property | South Manchurian Railway Pashisa and Pashiha class SL4 G2 |
|---|---|
| Driver diameter | 1,753 mm |
| Boiler pressure | 12.4 bar |
| Expansion type | simple expansion |
| Cylinders | two, 610 x 660 mm |
Power
| Property | South Manchurian Railway Pashisa and Pashiha class SL4 G2 |
|---|---|
| Power source | steam |
| Estimated power | 1,100 kW (1,496 PS) |
| Starting effort | 147.7 kN |
Calculated values
| Property | South Manchurian Railway Pashisa and Pashiha class SL4 G2 |
|---|---|
| Factor of adhesion | 1 : 3.80 |
| Optimal speed | 45 km/h |
| Power-to-weight ratio | 11.7 kW/t |
| Heating Surface Equivalent | 414.5 m² |
| Cylinder volume/HSE | 1 : 930.79 |
| Adhesive weight/Total | 1 : 1.64 |
| Tractive force/Heating surface | 1 : 11.01 |
| Grate area/Heating surface | 1 : 64.08 |
| Firebox/Tube surface | 1 : 13.15 |
| Total/Superheater | 1 : 4.11 |
