DRG Class 44 044 389-5 as a monument in Altenbeken
Type and origin Power type Steam Builder Build date 1926–1946 Total produced 1,987
Specifications Configuration: • Whyte 2-10-0 • UIC 1′ E h3 • German G 56.20 Driver Divided: inner on 2nd coupled axle, outer on 3rd Gauge 1,435 mm (4 ft 8+ 1 ⁄2 in )Leading dia. 0, 850 mm (33+ 1 ⁄2 in)Driver dia. 1,400 mm (55+ 1 ⁄8 in)Wheelbase : • Axle spacing (Asymmetrical) 2,850 mm (9 ft 4+ 1 ⁄4 in) + 1,700 mm (5 ft 6+ 7 ⁄8 in) + 1,700 mm (5 ft 6+ 7 ⁄8 in) + 1,700 mm (5 ft 6+ 7 ⁄8 in) + 1,700 mm (5 ft 6+ 7 ⁄8 in) = • Engine 9,650 mm (31 ft 7+ 7 ⁄8 in) • Tender 1,900 mm (6 ft 2+ 3 ⁄4 in) + 1,900 mm (6 ft 2+ 3 ⁄4 in) + 1,900 mm (6 ft 2+ 3 ⁄4 in) = 5,700 mm (18 ft 8+ 3 ⁄8 in) • incl. tender 19,190 mm (62 ft 11+ 1 ⁄2 in)Length: • Over buffers 22,620 mm (74 ft 2+ 1 ⁄2 in)Height 4,550 mm (14 ft 11+ 1 ⁄8 in)Axle load 19.0 t (18.7 long tons; 20.9 short tons) Adhesive weight 95.0 t (93.5 long tons; 104.7 short tons) Empty weight 99.9 t (98.3 long tons; 110.1 short tons) Service weight 109.8 t (108.1 long tons; 121.0 short tons) Tender type 2′ 2′ T 32/34, a few with tub tenders Fuel type Coal Fuel capacity 10.0 t (9.8 long tons; 11.0 short tons) Water cap. 32.0 or 34.0 m3 (7,000 or 7,500 imp gal; 8,500 or 9,000 US gal) Firebox: • Grate area 44 001–44 065: 4.7 m2 (51 sq ft)Remainder: 4.55 m2 (49.0 sq ft)Boiler: • Tube plates 5,800 mm (19 ft 3 ⁄8 in) • Small tubes 54 mm (2+ 1 ⁄8 in), 128 off • Large tubes 143 mm (5+ 5 ⁄8 in), 43 offBoiler pressure 44 001–44 010: 14 bar (14.3 kgf/cm2 ; 203 psi)Remainder: 16 bar (16.3 kgf/cm2 ; 232 psi)Heating surface: • Firebox 18.0 m2 (194 sq ft) • Tubes 114.0 m2 (1,227 sq ft) • Flues 106.0 m2 (1,141 sq ft) • Total surface 238.0 m2 (2,562 sq ft) Superheater: • Heating area 100.0 m2 (1,076 sq ft) Cylinders Three Cylinder size 44 001–44 010: 600 mm × 660 mm (23+ 5 ⁄8 in × 26 in)Remainder: 550 mm × 660 mm (21+ 5 ⁄8 in × 26 in)Valve gear Heusinger (Walschaerts) Train heating Steam Loco brake automatic, single-chamber Knorr compressed-air brakes Couplers Screw Links
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 Numbers DRG: 44 001 ... 44 2025
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.