DRG Class 05

The Deutsche Reichsbahn's Class 05 was a German class of three express passenger steam locomotives of 4-6-4 wheel arrangement in the Whyte notation, or 2C2 h3 in the UIC notation used in continental Europe. They were part of the DRG's standard locomotive (Einheitslokomotive) series.

DRG Class 05
DB Class 05
05 002 at Brockhaus, 1938
Type and origin
Power typeSteam
BuilderBorsig Lokomotiv Werke (Hennigsdorf)
Serial number14552–14553, 14555
Build date1935 (2), 1937 (1)
Total produced3
Specifications
Configuration:
  Whyte4-6-4
  UIC2C2 h3
  GermanS 37.19
DriverDivided: inside cylinder on 1st,
outside cylinders on 2nd
Gauge1,435 mm (4 ft 8+12 in)
Leading dia.1,100 mm (43+14 in)
Driver dia.2,300 mm (90+12 in)
Trailing dia.1,100 mm (43+14 in)
Tender wheels1,100 mm (43+14 in)
Wheelbase:
  Axle spacing
(Asymmetrical)
  • 2,350 mm (7 ft 8+12 in) +
  • 2,200 mm (7 ft 2+58 in) +
  • 2,550 mm (8 ft 4+38 in) +
  • 2,550 mm (8 ft 4+38 in) +
  • 2,250 mm (7 ft 4+58 in) +
  • 2,000 mm (6 ft 6+34 in) *
  Engine13,900 mm (45 ft 7+14 in)
  Tender
  • 1,800 mm (5 ft 10+78 in) +
  • 1,450 mm (4 ft 9+18 in) +
  • 1,325 mm (4 ft 4+18 in) +
  • 5,900 mm (19 ft 4+14 in)
  incl. tender22,075 mm (72 ft 5+18 in)
Length:
  Over headstocks24,965 mm (81 ft 10+78 in)
  Over buffers26,265 mm (86 ft 2 in)
Height4,550 mm (14 ft 11+18 in)
Axle load
  • 001–002: 19.2 t (18.9 long tons; 21.2 short tons)
  • 003: 19.6 t (19.3 long tons; 21.6 short tons), later 18.6 t (18.3 long tons; 20.5 short tons)
Adhesive weight
  • 001–002: 57.6 t (56.7 long tons; 63.5 short tons)
  • 003: 59.0 t (58.1 long tons; 65.0 short tons), later 56.0 t (55.1 long tons; 61.7 short tons)
Empty weight
  • 001–002: 118.5 t (116.6 long tons; 130.6 short tons)
  • 003: 118.6 t (116.7 long tons; 130.7 short tons), later 114.0 t (112.2 long tons; 125.7 short tons)
Service weight
  • 001–002: 129.9 t (127.8 long tons; 143.2 short tons)
  • 003: 129.5 t (127.5 long tons; 142.7 short tons), later 124.0 t (122.0 long tons; 136.7 short tons)
Tender type
  • 001–002: 23 T 37 St
  • 003: 23K T 35, later 23 T 38.5
Fuel typeCoal (Coal dust for 003 1937–1944)
Fuel capacity
  • 001–002: 10 t (9.8 long tons; 11 short tons)
  • 003: 10 t (9.8 long tons; 11 short tons), later 12 t (12 long tons; 13 short tons)
Water cap.
  • 001–002: 23 T 37 St
  • 003: 23K T 35, later 23 T 38.5
37 m3 (8,100 imp gal; 9,800 US gal)
Firebox:
  Grate area
  • 001–002: 4.7 m2 (51 sq ft)
  • 003: 4.40 m2 (47.4 sq ft)
Boiler:
  Pitch3,170 mm (10 ft 4+34 in)
  Tube plates
  • 001–002: 7,000 mm (22 ft 11+58 in)
  • 003: 5,500 mm (18 ft 12 in)
  Small tubes
  • 001–002: 70 mm (2+34 in), 106 off
  • 003: 54 mm (2+18 in), 137 off
  Large tubes
  • 001–002: 171 mm (6+34 in), 24 off
  • 003: 143 mm (5+58 in), 35 off
Boiler pressure20 bar (20.4 kgf/cm2; 290 psi) (reduced to 16 bar (16.3 kgf/cm2; 232 psi) in 1950)
Heating surface:
  Firebox
  • 001–002: 18.5 m2 (199 sq ft)
  • 003: 22.66 m2 (243.9 sq ft)
  Tubes
  • 001–002: 151.3 m2 (1,629 sq ft)
  • 003: 123.52 m2 (1,329.6 sq ft)
  Flues
  • 001–002: 86.2 m2 (928 sq ft)
  • 003: 81.72 m2 (879.6 sq ft)
  Total surface
  • 001–002: 256.0 m2 (2,756 sq ft)
  • 003: 227.95 m2 (2,453.6 sq ft)
Superheater:
  Heating area
  • 001–002: 90.0 m2 (969 sq ft)
  • 003: 81.9 m2 (882 sq ft)
CylindersThree
Cylinder size450 mm × 660 mm (17+1116 in × 26 in)
Valve gearHeusinger/Walschaerts
Performance figures
Maximum speed
  • Service: 175 km/h (109 mph)
  • Test: 200.4 km/h (124.5 mph)
Indicated power
  • 001–002: 2,360 PS (1,740 kW; 2,330 hp)
  • 003: 2,400 PS (1,770 kW; 2,370 hp)
Career
Numbers05 001 – 05 003
Retired1958
DispositionOne preserved, remainder scrapped
* For 05 003 in cab-forward configuation, values should be read in reverse order
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