DB Class 10

Specifications
Specifications
Configuration:;
• Whyte	4-6-2
• UIC	2′C1′ h3
• German	S 36.22
Driver	Divided: inner on 1st,; outer on 2nd
Gauge	1,435 mm (4 ft 8+1⁄2 in)
Leading dia.	1,000 mm (3 ft 3+3⁄8 in)
Driver dia.	2,000 mm (6 ft 6+3⁄4 in)
Trailing dia.	1,000 mm (3 ft 3+3⁄8 in)
Tender wheels	1,000 mm (3 ft 3+3⁄8 in)
Wheelbase:
• Axle spacing; (Asymmetrical)	2,250 mm (7 ft 4+5⁄8 in) +; 1,875 mm (6 ft 1+7⁄8 in) +; 2,300 mm (7 ft 6+1⁄2 in) +; 2,300 mm (7 ft 6+1⁄2 in) +; 3,800 mm (12 ft 5+5⁄8 in) =;
• Engine	12,525 mm (41 ft 1+1⁄8 in)
• Tender	2,100 mm (6 ft 10+5⁄8 in) +; 2,400 mm (7 ft 10+1⁄2 in) +; 2,100 mm (6 ft 10+5⁄8 in) =; 6,600 mm (21 ft 7+7⁄8 in);
• incl. tender	22,185 mm (72 ft 9+3⁄8 in)
Length:;
• Over headstocks	25,155 mm (82 ft 6+3⁄8 in)
• Over buffers	26,503 mm (86 ft 11+3⁄8 in)
Height	4,550 mm (14 ft 11+1⁄8 in)
Axle load	21.9 tonnes (21.6 long tons; 24.1 short tons)
Adhesive weight	65.6 tonnes (64.6 long tons; 72.3 short tons)
Empty weight	108.9 tonnes (107.2 long tons; 120.0 short tons)
Service weight	118.9 tonnes (117.0 long tons; 131.1 short tons)
Tender type	2′2′ T 40
Fuel type	001: Coal/oil; 002: Oil;
Fuel capacity	001: 9 tonnes (8.9 long tons; 9.9 short tons) of coal, 4.5 m3 (990 imp gal; 1,200 US gal) of oil; 002: 12.5 m3 (2,700 imp gal; 3,300 US gal) of oil;
Water cap.	40 m3 (8,800 imp gal; 11,000 US gal)
Firebox:
• Grate area	3.96 m2 (42.6 sq ft)
Boiler:;
• Pitch	3,250 mm (10 ft 8 in)
• Tube plates	5,500 mm (18 ft 1⁄2 in)
• Small tubes	54 mm (2+1⁄8 in), 109 off
• Large tubes	143 mm (5+5⁄8 in), 44 off
Boiler pressure	18 bar (18.4 kgf/cm2; 261 psi)
Heating surface:
• Firebox	22.0 m2 (237 sq ft)
• Tubes	92.30 m2 (993.5 sq ft)
• Flues	102.10 m2 (1,099.0 sq ft)
• Total surface	216.40 m2 (2,329.3 sq ft)
Superheater:;
• Heating area	105.70 m2 (1,137.7 sq ft)
Cylinders	Three
Cylinder size	480 mm × 720 mm (18+7⁄8 in × 28+3⁄8 in)
Valve gear	Heusinger (Walschaerts)
Valve type	Piston Valve
Train heating	Steam
Loco brake	Railway air brake
Train brakes	Compressed-air brake
Couplers	Screw Link

Type and origin
Type and origin
Power type	Steam
Builder	Krupp
Serial number	3351–3352
Build date	1957
Total produced	2

DB Class 10
DB Class 10
	10 001 on display at the German Steam Locomotive Museum
Power type
Type and origin
Power type	Steam
Builder	Krupp
Serial number	3351–3352
Build date	1957
Total produced	2
Configuration:;
Specifications
Configuration:;
• Whyte	4-6-2
• UIC	2′C1′ h3
• German	S 36.22
Driver	Divided: inner on 1st,; outer on 2nd
Gauge	1,435 mm (4 ft 8+1⁄2 in)
Leading dia.	1,000 mm (3 ft 3+3⁄8 in)
Driver dia.	2,000 mm (6 ft 6+3⁄4 in)
Trailing dia.	1,000 mm (3 ft 3+3⁄8 in)
Tender wheels	1,000 mm (3 ft 3+3⁄8 in)
Wheelbase:
• Axle spacing; (Asymmetrical)	2,250 mm (7 ft 4+5⁄8 in) +; 1,875 mm (6 ft 1+7⁄8 in) +; 2,300 mm (7 ft 6+1⁄2 in) +; 2,300 mm (7 ft 6+1⁄2 in) +; 3,800 mm (12 ft 5+5⁄8 in) =;
• Engine	12,525 mm (41 ft 1+1⁄8 in)
• Tender	2,100 mm (6 ft 10+5⁄8 in) +; 2,400 mm (7 ft 10+1⁄2 in) +; 2,100 mm (6 ft 10+5⁄8 in) =; 6,600 mm (21 ft 7+7⁄8 in);
• incl. tender	22,185 mm (72 ft 9+3⁄8 in)
Length:;
• Over headstocks	25,155 mm (82 ft 6+3⁄8 in)
• Over buffers	26,503 mm (86 ft 11+3⁄8 in)
Height	4,550 mm (14 ft 11+1⁄8 in)
Axle load	21.9 tonnes (21.6 long tons; 24.1 short tons)
Adhesive weight	65.6 tonnes (64.6 long tons; 72.3 short tons)
Empty weight	108.9 tonnes (107.2 long tons; 120.0 short tons)
Service weight	118.9 tonnes (117.0 long tons; 131.1 short tons)
Tender type	2′2′ T 40
Fuel type	001: Coal/oil; 002: Oil;
Fuel capacity	001: 9 tonnes (8.9 long tons; 9.9 short tons) of coal, 4.5 m3 (990 imp gal; 1,200 US gal) of oil; 002: 12.5 m3 (2,700 imp gal; 3,300 US gal) of oil;
Water cap.	40 m3 (8,800 imp gal; 11,000 US gal)
Firebox:
• Grate area	3.96 m2 (42.6 sq ft)
Boiler:;
• Pitch	3,250 mm (10 ft 8 in)
• Tube plates	5,500 mm (18 ft 1⁄2 in)
• Small tubes	54 mm (2+1⁄8 in), 109 off
• Large tubes	143 mm (5+5⁄8 in), 44 off
Boiler pressure	18 bar (18.4 kgf/cm2; 261 psi)
Heating surface:
• Firebox	22.0 m2 (237 sq ft)
• Tubes	92.30 m2 (993.5 sq ft)
• Flues	102.10 m2 (1,099.0 sq ft)
• Total surface	216.40 m2 (2,329.3 sq ft)
Superheater:;
• Heating area	105.70 m2 (1,137.7 sq ft)
Cylinders	Three
Cylinder size	480 mm × 720 mm (18+7⁄8 in × 28+3⁄8 in)
Valve gear	Heusinger (Walschaerts)
Valve type	Piston Valve
Train heating	Steam
Loco brake	Railway air brake
Train brakes	Compressed-air brake
Couplers	Screw Link
Maximum speed
Performance figures
Maximum speed	Forwards: 140 km/h (87 mph); Backwards: 90 km/h (56 mph);
Indicated power	2,500 PS (1,840 kW; 2,470 hp)
Operators
Career
Operators	Deutsche Bundesbahn
Numbers	10 001 – 10 002
Retired	1968

The steam locomotives of DB Class 10 were express locomotives with the Deutsche Bundesbahn in Germany after the Second World War. They were nicknamed 'Black Swans' ('schwarze Schwäne') as a result of their elegant shape.