DRG Class 71.0
Type and originPower typeSteamBuilderBerliner Maschinenbau (2)Borsig (2)Krupp (2)Build date1934–1936Total produced6
Type and origin
Power typeSteam
Build date1934–1936
Total produced6
SpecificationsConfiguration:• Whyte2-4-2T• UIC1′B1′ h2t• GermanPt 24.15Gauge1,435 mm (4 ft 8+1⁄2 in)Leading dia.850 mm (2 ft 9+1⁄2 in)Driver dia.001–002: 1,500 mm (4 ft 11 in)003–006: 1,600 mm (5 ft 3 in)Trailing dia.850 mm (2 ft 9+1⁄2 in)Wheelbase:• Axle spacing (Asymmetrical)2,700 mm (8 ft 10+1⁄4 in) +3,000 mm (9 ft 10+1⁄8 in) +2,700 mm (8 ft 10+1⁄4 in) =• Engine8,400 mm (27 ft 6+3⁄4 in)Length:• Over headstocks10,500 mm (34 ft 5+3⁄8 in)• Over buffers11,800 mm (38 ft 8+5⁄8 in)Height4,165 mm (13 ft 8 in)Axle load15.0 t (14.8 long tons; 16.5 short tons)Adhesive weight001–002: 29.9 t (29.4 long tons; 33.0 short tons)003–006: 30.0 t (29.5 long tons; 33.1 short tons)Empty weight001–002: 45.4 t (44.7 long tons; 50.0 short tons)003–006: 45.62 t (44.90 long tons; 50.29 short tons)Service weight001–002: 48.6 t (47.8 long tons; 53.6 short tons)003–006: 58.61 t (57.68 long tons; 64.61 short tons)Fuel typeCoalFuel capacity001–002: 3.0 t (3.0 long tons; 3.3 short tons)003–006: 2.8 t (2.8 long tons; 3.1 short tons)Water cap.7 m3 (1,500 imp gal; 1,800 US gal)Firebox:• Grate area001–002: 1.37 m2 (14.7 sq ft)003–006: 1.38 m2 (14.9 sq ft)Boiler:• Pitch2,900 mm (9 ft 6+1⁄8 in)• Tube plates3,500 mm (11 ft 5+3⁄4 in)• Small tubes44.5 mm (1+3⁄4 in), 70 off• Large tubes118 mm (4+5⁄8 in), 26 offBoiler pressure20 bar (20.4 kgf/cm2; 290 psi)Heating surface:• Firebox001–002: 5.53 m2 (59.5 sq ft)003–006: 5.89 m2 (63.4 sq ft)• Tubes30.4 m2 (327 sq ft)• Flues31.5 m2 (339 sq ft)• Total surface001–002: 67.43 m2 (725.8 sq ft)003–006: 67.79 m2 (729.7 sq ft)Superheater:• Heating area28.6 m2 (308 sq ft)CylindersTwo, outsideCylinder size001–002: 310 mm × 660 mm (12+3⁄16 in × 26 in)003–006: 330 mm × 660 mm (13 in × 26 in)Valve gearHeusinger (Walschaerts)
Specifications
Configuration
• UIC1′B1′ h2t
• GermanPt 24.15
Gauge1,435 mm (4 ft 8+1⁄2 in)
Leading dia.850 mm (2 ft 9+1⁄2 in)
Driver dia.001–002: 1,500 mm (4 ft 11 in)003–006: 1,600 mm (5 ft 3 in)
Trailing dia.850 mm (2 ft 9+1⁄2 in)
Wheelbase
• Axle spacing (Asymmetrical)2,700 mm (8 ft 10+1⁄4 in) +3,000 mm (9 ft 10+1⁄8 in) +2,700 mm (8 ft 10+1⁄4 in) =
• Engine8,400 mm (27 ft 6+3⁄4 in)
Length
• Over headstocks10,500 mm (34 ft 5+3⁄8 in)
• Over buffers11,800 mm (38 ft 8+5⁄8 in)
Height4,165 mm (13 ft 8 in)
Axle load15.0 t (14.8 long tons; 16.5 short tons)
Adhesive weight001–002: 29.9 t (29.4 long tons; 33.0 short tons)003–006: 30.0 t (29.5 long tons; 33.1 short tons)
Empty weight001–002: 45.4 t (44.7 long tons; 50.0 short tons)003–006: 45.62 t (44.90 long tons; 50.29 short tons)
Service weight001–002: 48.6 t (47.8 long tons; 53.6 short tons)003–006: 58.61 t (57.68 long tons; 64.61 short tons)
Fuel typeCoal
Fuel capacity001–002: 3.0 t (3.0 long tons; 3.3 short tons)003–006: 2.8 t (2.8 long tons; 3.1 short tons)
Water cap.7 m3 (1,500 imp gal; 1,800 US gal)
Firebox
• Grate area001–002: 1.37 m2 (14.7 sq ft)003–006: 1.38 m2 (14.9 sq ft)
Boiler
• Pitch2,900 mm (9 ft 6+1⁄8 in)
• Tube plates3,500 mm (11 ft 5+3⁄4 in)
• Small tubes44.5 mm (1+3⁄4 in), 70 off
• Large tubes118 mm (4+5⁄8 in), 26 off
Boiler pressure20 bar (20.4 kgf/cm2; 290 psi)
Heating surface
• Firebox001–002: 5.53 m2 (59.5 sq ft)003–006: 5.89 m2 (63.4 sq ft)
• Tubes30.4 m2 (327 sq ft)
• Flues31.5 m2 (339 sq ft)
• Total surface001–002: 67.43 m2 (725.8 sq ft)003–006: 67.79 m2 (729.7 sq ft)
Superheater
• Heating area28.6 m2 (308 sq ft)
CylindersTwo, outside
Cylinder size001–002: 310 mm × 660 mm (12+3⁄16 in × 26 in)003–006: 330 mm × 660 mm (13 in × 26 in)
Performance figuresMaximum speed001–002: 90 km/h (56 mph)003–006: 100 km/h (62 mph)Indicated power570 PS (419 kW; 562 hp)
Performance figures
Maximum speed001–002: 90 km/h (56 mph)003–006: 100 km/h (62 mph)
Indicated power570 PS (419 kW; 562 hp)
CareerOperatorsDeutsche Reichsbahn→ Deutsche BundesbahnNumbers71 001 – 71 006Retired1955–1956
Career
Numbers71 001 – 71 006
Retired1955–1956