DRG Class 45

German Class 45 steam locomotives were standard locomotives (Einheitslokomotiven) designed by the Deutsche Reichsbahn for hauling goods trains.

DRG Class 45

45 010 in the DB Museum, Nuremberg

Type and origin
Builder	Henschel
Build date	1936–1937
Total produced	28

Specifications
Configuration:
• Whyte	2-10-2
• German	G 57.18 (also G 57.20)
Gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge
Leading dia.	1.000 m (3 ft 3+3⁄8 in)
Driver dia.	1.600 m (5 ft 3 in)
Trailing dia.	1.250 m (4 ft 1+1⁄4 in)
Length:
• Over beams	25.645 m (84 ft 1+3⁄4 in)
Axle load	19.7 t (19.4 long tons; 21.7 short tons)
Adhesive weight	97.2 t (95.7 long tons; 107.1 short tons)
Service weight	125.5 t (123.5 long tons; 138.3 short tons)
Water cap.	29,000 or 38,000 L (6,400 or 8,400 imp gal; 7,700 or 10,000 US gal)
Boiler pressure	16 bar (1.6 MPa; 230 psi)
Heating surface:
• Firebox	4.47 m² (48.1 sq ft)
• Evaporative	269.02 m² (2,895.7 sq ft)
Superheater:
• Heating area	120 m² (1,300 sq ft)
Cylinders	3
Cylinder size	520 mm (20.47 in)
Piston stroke	720 mm (28.35 in)

Performance figures
Maximum speed	90 km/h (56 mph)
Indicated power	2,059 kW (2,761 hp) 2,221 kW (2,978 hp) (45 003)

Career
Numbers	45 001 – 45 028
Retired	1946–1968

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