PRR D5

Builder's photo of D5 #930

Type and origin
Power type	Steam
Builder	PRR Altoona shops
Build date	1870–1873
Total produced	18

Specifications
Configuration	4-4-0
UIC class	2′B
Gauge	4 ft 8 ¹⁄₂ in (1,435 mm)
Leading dia.	26 in (660 mm)^[1]
Driver dia.	56 in (1,422 mm)^[1]
Wheelbase	19 ft 9.6 in (6.04 m) (locomotive); 40 ft 6.1 in (12.35 m) (with tender)^[1]
Length	49 ft 6.2 in (15.09 m) (locomotive and tender)^[1]
Width	8 ft 10 ¹⁄₂ in (2.71 m) (cab roof)^[1]
Height	14 ft 8 in (4.47 m) (rail to top of stack)^[1]
Adhesive weight	40,800 lb (18.5 tonnes)^[1]
Loco weight	65,200 lb (29.6 tonnes)^[1]
Tender weight	40,800 lb (18.5 tonnes)^[1]
Total weight	106,000 lb (48.1 tonnes)^[1]
Fuel capacity	6,500 lb (2.9 tonnes)^[1]
Water cap	1,600 US gal (6,100 l; 1,300 imp gal)^[1]

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 during 1870–1873.^[2]

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 2 3 4 5 6 7 8 9 10 11 12 Pennsylvania Railroad. "PRR D5 Diagram". PRR.Railfan.net. Retrieved 2008-08-25.
↑ "PRR Steam Roster". Northeast Rails. Retrieved 2007-12-31.
↑ Dredge, James (1879). The Pennsylvania Railroad. London: Engineering magazine.

Wikimedia Commons has media related to Pennsylvania Railroad D5.

Pennsylvania Railroad locomotives

A (0-4-0):	A1 A2 A3 A4 A5s

B (0-6-0):	B1 (s) B2 B3 B4 B5 B6 B7 B8 B1 (e)

C (0-8-0):	C1 C29 C30 C31

D (4-4-0):	D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 D16 D21 D22 D23 D24 D25 D26 D30 D31 D32 D33 D34 D35 D36 D37 D38 D39 D61 "Odd D" #10003

E (4-4-2):	E1 E2 E3 E4 E5 E6 E7 E21 E22 E23 E28 de Glehn

F (2-6-0):	F1 F2 F3 F21 F22 F23 F24 F25 F26 F27 F30 F31 F61

G (4-6-0):	G1 G2 G3 G4 G5 G53

H (2-8-0):	H1 H2 H3 H4 H5 H6 H8 H9 H10

I (2-10-0):	I1s

J (2-6-2 and 2-10-4):	J1 J28

K (4-6-2):	K1 K2 K3s K4s K5

L (2-8-2):	L1s L2s L5 L6

M (4-8-2):	M1

N (2-10-2):	N1s N2s

O (4-4-4):	O1

P (4-6-4):	P5

Q (4-6-4-4 and 4-4-6-4):	Q1 Q2

R (4-8-4):	R1

S (6-4-4-6 and 6-8-6):	S1 S2

T (4-4-4-4):	T1

Articulated steam locomotives:	CC1s CC2s HC1s HH1s HH2s

Articulated electric locomotives:	AA1 BB1 BB2 BB3 DD1 DD2 FF1 FF2 GG1

Non-standard:	E2b E2c E3b E44

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