Class AA-20
Country USSR
Railroad Line  
Wheel Arrangement 2'G2' h2   Boiler Pressure 16,9 kp/cm
Tender 3'3' Grate Area 12,0 m
Driving Wheel 1600 mm

Heating Surface Area

416,0 m
Leading Wheel mm Superheater Area 174,0 m
Trailing Wheel mm Cylinder 740 mm
Length (over all) 33 730 mm Piston Stroke 810 mm
Max. Speed (Design) km/h Max. Axle Loading 20,0 Mp
Max. Speed (achieved) km/h Weight on drivers 138,9 Mp
Power hpi Weight (total) 206,0 Mp
Fuel Coal Power Transmission Rods
Gauge 1524 mm Tractive Effort    32,0 Mp
First Bldg. Year

1935

  Number built

1