Pennsylvania No. 3397

The Pennsylvania Railroad class CC1s consisted of a single experimental 0-8-8-0 steam locomotive built by Baldwin Locomotive Works in 1912. It was assigned road number #3397 and placed in service at the PRR Pitcairn yard in Pitcairn, Pennsylvania, near Pittsburgh. A subsequent class, the CC2s, was constructed after the tests conducted with this locomotive. Finding little advantage to articulated steam locomotives, the PRR scrapped it in 1932.

Cornish Riviera Limited, 6002 King George IV (CJ Allen, Steel Highway, 1928)

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Locomotives of the Pennsylvania Railroad
A (0-4-0):	A1 • A2 • A3 • A4 • A5 • A6
B (0-6-0):	B1 (s) • B2 • B3 • B4 • B5 • B6 • B7 • B8 • B1 (e) • B28 • B29
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 • D17 • D18 • D19 • D20 • D21 • D22 • D23 • D24 • D25 • D26 • D27 • D27 • D28 • D28 • D29 • 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 • H7 • H8 • H9 • H10
I (2-10-0):	I1s
J (2-6-2 and 2-10-4):	J1 • J28
K (4-6-2):	K1 • K2 • K3 • K4 • K5 • K21s • K28s • 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 • E3b • E3c • E44