Pennsylvania Railroad class D5

The Pennsylvania Railroad's steam locomotive class D5 (formerly Class G, pre-1895) comprised eighteen lightweight 4-4-0 locomotives for light duty, maintenance-of-way and branch-line service, constructed at the railroad's own Altoona Works (now owned by Norfolk Southern) during 1870–1873.[2]

Pennsylvania Railroad D5
Builder's photo of D5 #930
Type and origin
Power typeSteam
BuilderPRR Altoona shops
Build date1870–1873
Total produced18
Specifications
Configuration:
  Whyte4-4-0
  UIC2′B
Gauge4 ft 8+12 in (1,435 mm)
Leading dia.26 in (660 mm)[1]
Driver dia.56 in (1,422 mm)[1]
Wheelbase19 ft 9.6 in (6.04 m) (locomotive);
40 ft 6.1 in (12.35 m) (with tender)[1]
Length49 ft 6.2 in (15.09 m) (locomotive and tender)[1]
Width8 ft 10+12 in (2.71 m) (cab roof)[1]
Height14 ft 8 in (4.47 m) (rail to top of stack)[1]
Adhesive weight40,800 lb (18.5 tonnes)[1]
Loco weight65,200 lb (29.6 tonnes)[1]
Tender weight40,800 lb (18.5 tonnes)[1]
Total weight106,000 lb (48.1 tonnes)[1]
Fuel capacity6,500 lb (2.9 tonnes)[1]
Water cap.1,600 US gal (6,100 L; 1,300 imp gal)[1]

They shared many parts with other standard classes, although less so with the heavy 4-4-0s on account of their lighter build; instead, they shared some components with 0-6-0 switcher classes F and H (later B1 and B2).[3] The Class G locomotives had a straight-topped boiler, unlike the wagon-top of the other 4-4-0 classes.

References

  1. Pennsylvania Railroad. "PRR D5 Diagram". PRR.Railfan.net. Retrieved 2008-08-25.
  2. "PRR Steam Roster". Northeast Rails. Retrieved 2007-12-31.
  3. Dredge, James (1879). The Pennsylvania Railroad. London: Engineering magazine.
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