DRG Class 45

Specifications
Specifications
Configuration:;
• Whyte	2-10-2
• UIC	1′E1′ h3
• German	G 57.18 (also G 57.20)
Driver	Divided: inner cylinder on 2nd coupled axle, outer on 3rd
Gauge	1,435 mm (4 ft 8+1⁄2 in)
Leading dia.	1,000 mm (3 ft 3+3⁄8 in)
Driver dia.	1,600 mm (5 ft 3 in)
Trailing dia.	1,250 mm (4 ft 1+1⁄4 in)
Wheelbase:
• Axle spacing; (Asymmetrical)	3,000 mm (9 ft 10+1⁄8 in) +; 1,850 mm (6 ft 7⁄8 in) +; 1,850 mm (6 ft 7⁄8 in) +; 1,850 mm (6 ft 7⁄8 in) +; 1,850 mm (6 ft 7⁄8 in) +; 3,200 mm (10 ft 6 in) =;
• Engine	13,600 mm (44 ft 7+3⁄8 in)
• Tender	1,750 mm (5 ft 8+7⁄8 in) +; 1,500 mm (4 ft 11 in) +; 1,375 mm (4 ft 6+1⁄8 in) +; 1,375 mm (4 ft 6+1⁄8 in) =; 6,000 mm (19 ft 8+1⁄4 in);
• incl. tender	21,775 mm (71 ft 5+1⁄4 in)
Length:;
• Over headstocks	24,345 mm (79 ft 10+1⁄2 in)
• Over buffers	25,645 mm (84 ft 1+5⁄8 in)
Axle load	001–002: 18.6 or 19.9 t (18.3 or 19.6 long tons; 20.5 or 21.9 short tons); Remainder: 18.2 or 19.8 t (17.9 or 19.5 long tons; 20.1 or 21.8 short tons); Rebuilt: 18.2–18.6 or 19.4–19.9 t (17.9–18.3 or 19.1–19.6 long tons; 20.1–20.5 or 21.4–21.9 short tons);
Adhesive weight	001–002: 92.9 or 99.4 t (91.4 or 97.8 long tons; 102.4 or 109.6 short tons); Remainder: 90.7 or 98.8 t (89.3 or 97.2 long tons; 100.0 or 108.9 short tons); Rebuilt: 91.0–93.0 or 97.2–99.7 t (89.6–91.5 or 95.7–98.1 long tons; 100.3–102.5 or 107.1–109.9 short tons);
Empty weight	001–002: 117.5 t (115.6 long tons; 129.5 short tons); Remainder: 114.7 t (112.9 long tons; 126.4 short tons); Rebuilt: 112.3–114.4 t (110.5–112.6 long tons; 123.8–126.1 short tons);
Service weight	001–002: 128.4 t (126.4 long tons; 141.5 short tons); Remainder: 126.7 t (124.7 long tons; 139.7 short tons); Rebuilt: 125.5–128.5 t (123.5–126.5 long tons; 138.3–141.6 short tons);
Tender type	New: 2′3 T 38; Rebuilt: 2′3 T 29;
Fuel type	Coal
Fuel capacity	2′3 T 38: 10 t (9.8 long tons; 11 short tons); 2′3 T 29: 12 t (12 long tons; 13 short tons);
Water cap.	2′3 T 38: 38 m3 (8,360 imp gal; 10,000 US gal); 2′3 T 29: 29 m3 (6,380 imp gal; 7,660 US gal);
Firebox:
• Grate area	001–002: 5.0 m2 (54 sq ft); Remainder: 4.8 m2 (52 sq ft); Rebuilt: 4.5 m2 (48 sq ft);
Boiler:;
• Pitch	3,060 mm (10 ft 1⁄2 in)
• Tube plates	New: 7,500 mm (24 ft 7+1⁄4 in); Rebuilt: 6,500 mm (21 ft 3+7⁄8 in);
• Small tubes	001–002: 83 mm (3+1⁄4 in), 72 off; Remainder: 79 mm (3+1⁄8 in), 98 off; Rebuilt: 60 mm (2+3⁄8 in), 106 off;
• Large tubes	001–002: 191 mm (7+1⁄2 in), 33 off; Remainder: 185 mm (7+5⁄16 in), 30 off; Rebuilt: 152 mm (6 in), 44 off;
Boiler pressure	new: 20 bar (20.4 kgf/cm2; 290 psi); later: 16 bar (16.3 kgf/cm2; 232 psi);
Heating surface:
• Firebox	001–002: 18.8 m2 (202 sq ft); Remainder: 18.7 m2 (201 sq ft); Rebuilt: 23.2 m2 (250 sq ft);
• Tubes	001–002: 130.0 m2 (1,399 sq ft); Remainder: 168.5 m2 (1,814 sq ft); Rebuilt: 116.9 m2 (1,258 sq ft);
• Flues	001–002: 140.2 m2 (1,509 sq ft); Remainder: 123.3 m2 (1,327 sq ft); Rebuilt: 128.9 m2 (1,387 sq ft);
• Total surface	001–002: 289.0 m2 (3,111 sq ft); Remainder: 310.5 m2 (3,342 sq ft); Rebuilt: 269.0 m2 (2,895 sq ft);
Superheater:;
• Heating area	001–002: 132.5 m2 (1,426 sq ft); Remainder: 120.6 m2 (1,298 sq ft); Rebuilt: 120.6 m2 (1,298 sq ft);
Cylinders	Three
Cylinder size	520 mm × 720 mm (20+1⁄2 in × 28+3⁄8 in)
Valve gear	Heusinger
Valve type	Piston Valve
Train heating	Steam
Loco brake	Knorr Air Brakes steam
Train brakes	Knorr Air Brakes
Couplers	Screw Link

Type and origin
Type and origin
Power type	Steam
Order number	Henschel & Sohn
Serial number	22805–22806, 24796–24821
Build date	1937–1940
Total produced	28

DRG Class 45
DRG Class 45
	45 010 in the DB Museum, Nuremberg
Power type
Type and origin
Power type	Steam
Order number	Henschel & Sohn
Serial number	22805–22806, 24796–24821
Build date	1937–1940
Total produced	28
Configuration:;
Specifications
Configuration:;
• Whyte	2-10-2
• UIC	1′E1′ h3
• German	G 57.18 (also G 57.20)
Driver	Divided: inner cylinder on 2nd coupled axle, outer on 3rd
Gauge	1,435 mm (4 ft 8+1⁄2 in)
Leading dia.	1,000 mm (3 ft 3+3⁄8 in)
Driver dia.	1,600 mm (5 ft 3 in)
Trailing dia.	1,250 mm (4 ft 1+1⁄4 in)
Wheelbase:
• Axle spacing; (Asymmetrical)	3,000 mm (9 ft 10+1⁄8 in) +; 1,850 mm (6 ft 7⁄8 in) +; 1,850 mm (6 ft 7⁄8 in) +; 1,850 mm (6 ft 7⁄8 in) +; 1,850 mm (6 ft 7⁄8 in) +; 3,200 mm (10 ft 6 in) =;
• Engine	13,600 mm (44 ft 7+3⁄8 in)
• Tender	1,750 mm (5 ft 8+7⁄8 in) +; 1,500 mm (4 ft 11 in) +; 1,375 mm (4 ft 6+1⁄8 in) +; 1,375 mm (4 ft 6+1⁄8 in) =; 6,000 mm (19 ft 8+1⁄4 in);
• incl. tender	21,775 mm (71 ft 5+1⁄4 in)
Length:;
• Over headstocks	24,345 mm (79 ft 10+1⁄2 in)
• Over buffers	25,645 mm (84 ft 1+5⁄8 in)
Axle load	001–002: 18.6 or 19.9 t (18.3 or 19.6 long tons; 20.5 or 21.9 short tons); Remainder: 18.2 or 19.8 t (17.9 or 19.5 long tons; 20.1 or 21.8 short tons); Rebuilt: 18.2–18.6 or 19.4–19.9 t (17.9–18.3 or 19.1–19.6 long tons; 20.1–20.5 or 21.4–21.9 short tons);
Adhesive weight	001–002: 92.9 or 99.4 t (91.4 or 97.8 long tons; 102.4 or 109.6 short tons); Remainder: 90.7 or 98.8 t (89.3 or 97.2 long tons; 100.0 or 108.9 short tons); Rebuilt: 91.0–93.0 or 97.2–99.7 t (89.6–91.5 or 95.7–98.1 long tons; 100.3–102.5 or 107.1–109.9 short tons);
Empty weight	001–002: 117.5 t (115.6 long tons; 129.5 short tons); Remainder: 114.7 t (112.9 long tons; 126.4 short tons); Rebuilt: 112.3–114.4 t (110.5–112.6 long tons; 123.8–126.1 short tons);
Service weight	001–002: 128.4 t (126.4 long tons; 141.5 short tons); Remainder: 126.7 t (124.7 long tons; 139.7 short tons); Rebuilt: 125.5–128.5 t (123.5–126.5 long tons; 138.3–141.6 short tons);
Tender type	New: 2′3 T 38; Rebuilt: 2′3 T 29;
Fuel type	Coal
Fuel capacity	2′3 T 38: 10 t (9.8 long tons; 11 short tons); 2′3 T 29: 12 t (12 long tons; 13 short tons);
Water cap.	2′3 T 38: 38 m3 (8,360 imp gal; 10,000 US gal); 2′3 T 29: 29 m3 (6,380 imp gal; 7,660 US gal);
Firebox:
• Grate area	001–002: 5.0 m2 (54 sq ft); Remainder: 4.8 m2 (52 sq ft); Rebuilt: 4.5 m2 (48 sq ft);
Boiler:;
• Pitch	3,060 mm (10 ft 1⁄2 in)
• Tube plates	New: 7,500 mm (24 ft 7+1⁄4 in); Rebuilt: 6,500 mm (21 ft 3+7⁄8 in);
• Small tubes	001–002: 83 mm (3+1⁄4 in), 72 off; Remainder: 79 mm (3+1⁄8 in), 98 off; Rebuilt: 60 mm (2+3⁄8 in), 106 off;
• Large tubes	001–002: 191 mm (7+1⁄2 in), 33 off; Remainder: 185 mm (7+5⁄16 in), 30 off; Rebuilt: 152 mm (6 in), 44 off;
Boiler pressure	new: 20 bar (20.4 kgf/cm2; 290 psi); later: 16 bar (16.3 kgf/cm2; 232 psi);
Heating surface:
• Firebox	001–002: 18.8 m2 (202 sq ft); Remainder: 18.7 m2 (201 sq ft); Rebuilt: 23.2 m2 (250 sq ft);
• Tubes	001–002: 130.0 m2 (1,399 sq ft); Remainder: 168.5 m2 (1,814 sq ft); Rebuilt: 116.9 m2 (1,258 sq ft);
• Flues	001–002: 140.2 m2 (1,509 sq ft); Remainder: 123.3 m2 (1,327 sq ft); Rebuilt: 128.9 m2 (1,387 sq ft);
• Total surface	001–002: 289.0 m2 (3,111 sq ft); Remainder: 310.5 m2 (3,342 sq ft); Rebuilt: 269.0 m2 (2,895 sq ft);
Superheater:;
• Heating area	001–002: 132.5 m2 (1,426 sq ft); Remainder: 120.6 m2 (1,298 sq ft); Rebuilt: 120.6 m2 (1,298 sq ft);
Cylinders	Three
Cylinder size	520 mm × 720 mm (20+1⁄2 in × 28+3⁄8 in)
Valve gear	Heusinger
Valve type	Piston Valve
Train heating	Steam
Loco brake	Knorr Air Brakes steam
Train brakes	Knorr Air Brakes
Couplers	Screw Link
Maximum speed
Performance figures
Maximum speed	90 km/h (56 mph)
Indicated power	2,800 PS (2,060 kW; 2,760 hp); 3,020 PS (2,220 kW; 2,980 hp) (45 003)
Numbers
Career
Numbers	45 001 – 45 028
Retired	1946–1968

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