Class S-1
Country USA
Railroad Line Pennsylvania Railroad (PRR)
Wheel Arrangement 3'BB3' h4    Boiler Pressure 21,1 kp/cm
Tender 4'4' Grate Area 12,26 m
Driving Wheel 2134 mm

Heating Surface Area

525,9 m
Leading Wheel 914 mm Superheater Area 194,0 m
Trailing Wheel 1066 mm Cylinder 559 mm
Length (over all) 37 720 mm Piston Stroke 660 mm
Max. Speed (Design) 193 km/h Max. Axle Loading Mp
Max. Speed (achieved) 226 km/h Weight on drivers 129,9 Mp
Power 8000 hpi Weight (total) 480 Mp
Fuel Coal Power Transmission Rods
Gauge 1435 mm Tractive Effort    34,5 Mp
First Bldg. Year

1939

  Number built

1