Class P-7a
Railroad Line Baltimore & Ohio
Country USA
Wheel Arrangement 2'C1' h2   Boiler Pressure 16.2 kp/cm
Tender 2'2' Grate Area m
Driving Wheel 2030 mm

Heating Surface Area

m
Leading Wheel 914 mm Superheater Area m
Trailing Wheel 1321 mm Cylinder 685 mm
Length (over all) mm Piston Stroke 711 mm
Max. Speed (Design) km/h Max. Axle Loading Mp
Max. Speed (achieved) km/h Weight on drivers Mp
Power hpi Weight (total) Mp
Fuel Coal Power Transmission Rods
Gauge 1435 mm Tractive Effort  22.7 Mp
First Bldg. Year

1937

  Number built

1

Die Stromlinienverkleidung wurde 1942 entfernt, aber 1946 wurde eine neue Verkleidung installiert.