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Pennsylvania class B6
When it came to switchers, here called “shifters”, the PRR stuck to locomotives with a maximum of three axles, but still sufficient tractive power until the mid-20s. The most successful class here was the B6, of which...
General
| Property | Pennsylvania class B6 Remove |
|---|---|
| Built | 1902-1913 |
| Manufacturers | Altoona, Baldwin, Lima |
| Wheel arrangement | 0-6-0 (Six-coupled) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Pennsylvania class B6 Remove |
|---|---|
| Wheelbase | 3.51 m |
| Rigid wheelbase | 3.51 m |
| Service weight | 77.1 t |
| Adhesive weight | 77.1 t |
| Axle load | 25.7 t |
Boiler
| Property | Pennsylvania class B6 Remove |
|---|---|
| Grate area | 3.828 m² |
| Evaporative heating surface | 228.449 m² |
| Total heating surface | 228.4 m² |
Power plant
| Property | Pennsylvania class B6 Remove |
|---|---|
| Driver diameter | 1,422 mm |
| Boiler pressure | 14.1 bar |
| Expansion type | simple expansion |
| Cylinders | two, 559 x 610 mm |
Power
| Property | Pennsylvania class B6 Remove |
|---|---|
| Power source | steam |
| Estimated power | 671 kW (912 PS) |
| Starting effort | 160.8 kN |
Calculated values
| Property | Pennsylvania class B6 Remove |
|---|---|
| Factor of adhesion | 1 : 4.71 |
| Optimal speed | 26 km/h |
| Power-to-weight ratio | 8.7 kW/t |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 14.70 |
| Grate area/Heating surface | 1 : 59.68 |
