Pennsylvania Railroad class C1

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Pennsylvania Railroad C1

Type and origin
Power type	Steam
Builder	Pennsylvania Railroad
Build date	1925, 1927
Total produced	90

Specifications
Configuration:
• Whyte	0-8-0
• UIC	Dh
Gauge	4 ft 8+1⁄2 in (1,435 mm)
Driver dia.	56 in (1.422 m)
Axle load	74,000 lb (33.6 t)
Loco weight	278,000 lb (126.1 t)
Fuel type	Coal
Boiler pressure	250 psi (1.72 MPa)
Cylinders	Two
Cylinder size	27 in × 30 in (686 mm × 762 mm)
Valve gear	Walschaerts
Valve type	Piston

Performance figures
Tractive effort	76,154 lbf (338.7 kN)

Career
Numbers	6550–6639
Retired	1948–1953
Disposition	All scrapped

The PRR C1 was the Pennsylvania Railroad's class of 0-8-0 steam locomotive, used in switching service. The locomotive type was built at the railroad's Juniata shops in Altoona, Pennsylvania and introduced in 1925. The 0-8-0 was common on most railroads, but not on PRR; when the railroad needed bigger motive power, they used the 2-8-0 "Consolidation". The PRR wanted the best motive power to handle the switching chores at rail yards and interchanges, and the C1 class was the heaviest two-cylinder 0-8-0 switcher ever produced. Calculated tractive effort was 76,154 lb, based on 78% MEP with 60% maximum cutoff. All C1s were retired between 1948 and 1953, none being preserved.

References

"Pennsylvania builds eight-wheel switching locomotive". Railway Age. New York, NY: Simmons-Boardman Publishing Company. 25 Jul 1925. Retrieved 20 Nov 2024.

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 G6 G53

H (2-8-0):	H1 H2 H3 H4 H5 H6 H8 H9 H10
I (2-10-0):	I1
J (2-6-2 and 2-10-4):	J1 J28
K (4-6-2):	K1 K2 K3s K4s K5 K21s K28 K29s
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 HH1 HH1s HH2s
Articulated electric locomotives:	AA1 BB1 BB2 BB3 DD1 DD2 FF1 FF2 GG1
Non-standard:	E2b E2c E3b E44

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