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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...
| Pennsylvania class B6Remove | |
|---|---|
| Variant | |
| Built | 1913-1914 |
| Manufacturers | Altoona |
| Wheel arrangement | C |
| Gauge | 1435 mm |
| Length | |
| Service mass | 81647 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Pennsylvania class B6Remove |
|---|---|
| Built | 1913-1914 |
| Manufacturers | Altoona |
| Wheel arrangement | 0-6-0 (Six-coupled) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Pennsylvania class B6Remove |
|---|---|
| Wheelbase | 3.51 m |
| Service mass | 81.6 t |
| Adhesion mass | 81.6 t |
| Rigid wheelbase | 3.51 m |
| Axle load | 27.2 t |
Boiler
| Property | Pennsylvania class B6Remove |
|---|---|
| Grate area | 5.76 m² |
| Evaporative heating surface | 174.937 m² |
| Superheater surface | 62.988 m² |
| Total heating surface | 237.9 m² |
Power plant
| Property | Pennsylvania class B6Remove |
|---|---|
| Driver diameter | 1,422 mm |
| Boiler pressure | 14.1 bar |
| Expansion type | simple expansion |
| Cylinders | two, 559 x 610 mm |
Power
| Property | Pennsylvania class B6Remove |
|---|---|
| Power source | steam |
| Estimated power | 1,044 kW (1,419 PS) |
| Starting effort | 160.8 kN |
Calculated values
| Property | Pennsylvania class B6Remove |
|---|---|
| Factor of adhesion | 1 : 4.98 |
| Optimal speed | 40 km/h |
| Power-to-weight ratio | 12.8 kW/t |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 14.11 |
| Grate area/Heating surface | 1 : 41.31 |
| Total/Superheater | 1 : 2.78 |
