DR Class 65.10

Specifications
Specifications
Configuration:;
• Whyte	2-8-4T
• UIC	1′D2′ h2t
• German	Pt 47.17
Driver	3rd coupled axle
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.	1,000 mm (3 ft 3+3⁄8 in)
Wheelbase:
• Axle spacing; (Asymmetrical)	2,950 mm (9 ft 8+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) +; 2,600 mm (8 ft 6+3⁄8 in) +; 2,200 mm (7 ft 2+5⁄8 in) =;
• Engine	13,300 mm (43 ft 7+5⁄8 in)
Length:;
• Over headstocks	16,200 mm (53 ft 1+3⁄4 in)
• Over buffers	17,500 mm (57 ft 5 in)
Height	4,550 mm (14 ft 11+1⁄8 in)
Axle load	17.77 t (17.49 long tons; 19.59 short tons)
Adhesive weight	71.0 t (69.9 long tons; 78.3 short tons)
Empty weight	88.9 t (87.5 long tons; 98.0 short tons)
Service weight	121.7 t (119.8 long tons; 134.2 short tons)
Fuel type	Coal
Fuel capacity	9 t (8.9 long tons; 9.9 short tons)
Water cap.	16 m3 (3,520 imp gal; 4,230 US gal)
Firebox:
• Grate area	3.45 m2 (37.1 sq ft)
Boiler:;
• Pitch	3,250 mm (10 ft 8 in)
• Tube plates	4,200 mm (13 ft 9+3⁄8 in)
• Small tubes	44.5 mm (1+3⁄4 in), 158 off
• Large tubes	133 mm (5+1⁄4 in), 30 off
Boiler pressure	16 bar (16.3 kgf/cm2; 232 psi)
Heating surface:
• Firebox	15.64 m2 (168.3 sq ft)
• Tubes	82.35 m2 (886.4 sq ft)
• Flues	49.45 m2 (532.3 sq ft)
• Total surface	147.44 m2 (1,587.0 sq ft)
Superheater:;
• Heating area	47.39 m2 (510.1 sq ft)
Cylinders	Two, outside
Cylinder size	600 mm × 660 mm (23+5⁄8 in × 26 in)

Type and origin
Type and origin
Power type	Steam
Builder	LEW (Prototypes, 2); LKM (Production, 93);
Build date	1954–1957
Total produced	95

DR Class 65.10
DR Class 65.10
	DR 65 1049 in May 2010
Power type
Type and origin
Power type	Steam
Builder	LEW (Prototypes, 2); LKM (Production, 93);
Build date	1954–1957
Total produced	95
Configuration:;
Specifications
Configuration:;
• Whyte	2-8-4T
• UIC	1′D2′ h2t
• German	Pt 47.17
Driver	3rd coupled axle
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.	1,000 mm (3 ft 3+3⁄8 in)
Wheelbase:
• Axle spacing; (Asymmetrical)	2,950 mm (9 ft 8+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) +; 2,600 mm (8 ft 6+3⁄8 in) +; 2,200 mm (7 ft 2+5⁄8 in) =;
• Engine	13,300 mm (43 ft 7+5⁄8 in)
Length:;
• Over headstocks	16,200 mm (53 ft 1+3⁄4 in)
• Over buffers	17,500 mm (57 ft 5 in)
Height	4,550 mm (14 ft 11+1⁄8 in)
Axle load	17.77 t (17.49 long tons; 19.59 short tons)
Adhesive weight	71.0 t (69.9 long tons; 78.3 short tons)
Empty weight	88.9 t (87.5 long tons; 98.0 short tons)
Service weight	121.7 t (119.8 long tons; 134.2 short tons)
Fuel type	Coal
Fuel capacity	9 t (8.9 long tons; 9.9 short tons)
Water cap.	16 m3 (3,520 imp gal; 4,230 US gal)
Firebox:
• Grate area	3.45 m2 (37.1 sq ft)
Boiler:;
• Pitch	3,250 mm (10 ft 8 in)
• Tube plates	4,200 mm (13 ft 9+3⁄8 in)
• Small tubes	44.5 mm (1+3⁄4 in), 158 off
• Large tubes	133 mm (5+1⁄4 in), 30 off
Boiler pressure	16 bar (16.3 kgf/cm2; 232 psi)
Heating surface:
• Firebox	15.64 m2 (168.3 sq ft)
• Tubes	82.35 m2 (886.4 sq ft)
• Flues	49.45 m2 (532.3 sq ft)
• Total surface	147.44 m2 (1,587.0 sq ft)
Superheater:;
• Heating area	47.39 m2 (510.1 sq ft)
Cylinders	Two, outside
Cylinder size	600 mm × 660 mm (23+5⁄8 in × 26 in)
Maximum speed
Performance figures
Maximum speed	90 km/h (56 mph) both directions
Indicated power	1,500 PS (1,100 kW; 1,480 hp)
Operators
Career
Operators	Deutsche Reichsbahn (GDR); Leunawerke;
Number in class	DR: 88; Leuna: 7;
Numbers	DR: 65 1001 – 65 1088; Leunawerke: 41–45;
Retired	1977

The DR Class 65.10 was a class of 2-8-4 passenger train tank engine operated by the East German Deutsche Reichsbahn (DR) for heavy suburban and commuter services.