DRG Class 44

The Class 44 (German: Baureihe 44 or BR 44) was a ten-coupled, heavy goods train steam locomotive built for the Deutsche Reichsbahn as a standard steam engine class (Einheitsdampflokomotive). Its sub-class was G 56.20 and it had triple cylinders. It was intended for hauling goods trains of up to 1,200 tonnes (1,200 long tons; 1,300 short tons) on the routes through Germany's hilly regions (Mittelgebirge) and up to 600 tonnes (590 long tons; 660 short tons) on steep inclines. They were numbered 44 001-44 1989.

DRG Class 44
044 389-5 as a monument in Altenbeken
Type and origin
Builder
Build date1926–1946
Total produced1,987
Specifications
Configuration:
  Whyte2-10-0
  UIC1′E h3
  GermanG 56.20
Gauge1,435 mm (4 ft 8+12 in)
Leading dia.850 mm (33+12 in)
Driver dia.1,400 mm (55+18 in)
Wheelbase:
  Overall9,650 mm (31 ft 8 in)
Length:
  Over beams22,620 mm (74 ft 2+12 in)
Height4,550 mm (14 ft 11+18 in)
Axle load19.3 t (19.0 long tons; 21.3 short tons)
Adhesive weight95.9 t (94.4 long tons; 105.7 short tons)
Service weight110.2 t (108.5 long tons; 121.5 short tons)
Tender type2′2′ T 32/34, a few with tub tenders
Fuel capacity10.0 t (9.8 long tons; 11.0 short tons) coal
Water cap.32.0 or 34.0 m3 (7,000 or 7,500 imp gal; 8,500 or 9,000 US gal)
Boiler pressure16 bar (1,600 kPa; 230 psi)
Heating surface:
  Firebox4.55 m2 (49.0 sq ft)
  Evaporative237.67 m2 (2,558.3 sq ft)
Superheater:
  Heating area100.00 m2 (1,076.4 sq ft)
Cylinders3
Cylinder size
  • 44 00144 010: 600 mm (23+58 in)
  • Remainder: 550 mm (21+58 in)
Piston stroke660 mm (26 in)
Train controlWalschaerts valve gear
Loco brakeautomatic, single-chamber Knorr compressed-air brakes
Auxiliary brakeyes
Parking brakeyes
Performance figures
Maximum speed
  • Forward: 70 or 80 km/h (43 or 50 mph)
  • Reverse: 50 km/h (31 mph)
Indicated power
  • Coal: 1,910 PS (1,400 kW; 1,880 hp)
  • Oil: 2,100 PS (1,540 kW; 2,070 hp)
Career
NumbersDRG: 44 001 … 44 2025
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