Class HS-1a
Country USA
Railroad Line New York Central (NYC)
Wheel Arrangement 2'D2' h3v   Boiler Pressure 90 kp/cm
Tender 3'3' Grate Area 6,05 m
Driving Wheel 1753 mm

Heating Surface Area

367 m
Leading Wheel mm Superheater Area 169 m
Trailing Wheel mm Cylinder 337 / 584 mm
Length (over all) mm Piston Stroke 762 mm
Max. Speed (Design) km/h Max. Axle Loading Mp
Max. Speed (achieved) km/h Weight on drivers 114 Mp
Power hpi Weight (total) 197,0 Mp
Fuel Coal Power Transmission Rods
Gauge 1435 mm Tractive Effort  30,0 / 36,0  Mp
First Bldg. Year

1931

  Number built

1