DRG Class 44

Specifications
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 off
Boiler 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)
Loco brake	automatic, single-chamber Knorr compressed-air brakes

Type and origin
Type and origin
Power type	Steam
Builder	Henschel & Sohn (173); Berliner Maschinenbau (60); Borsig (170); Maschinenfabrik Esslingen (16); Lokomotivfabrik Floridsdorf (105); Krauss-Maffei (80); Krupp (309); Schichau-Werke (126); Fablok (145); Frichs (10); Schneider et Cie (140); Fives-Lille (184); Batignolles-Châtillon (134); SFCM (176); SACM (59);
Build date	1926–1946
Total produced	1,987

DRG Class 44
DRG Class 44
	044 389-5 as a monument in Altenbeken
Power type
Type and origin
Power type	Steam
Builder	Henschel & Sohn (173); Berliner Maschinenbau (60); Borsig (170); Maschinenfabrik Esslingen (16); Lokomotivfabrik Floridsdorf (105); Krauss-Maffei (80); Krupp (309); Schichau-Werke (126); Fablok (145); Frichs (10); Schneider et Cie (140); Fives-Lille (184); Batignolles-Châtillon (134); SFCM (176); SACM (59);
Build date	1926–1946
Total produced	1,987
Configuration:;
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 off
Boiler 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)
Loco brake	automatic, single-chamber Knorr compressed-air brakes
Maximum speed
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);
Numbers
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.

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