Pennsylvania Railroad class HH1s

4 ft 8+1⁄2 in (1,435 mm)Fuel typeCoalFirebox:​ • Typewagon-topCylindersFourValve gearWalschaertsValve typePiston
Career
OperatorsPennsylvania Railroad
ClassHH1s
Numbers3396
Retired1928
Dispositionscrapped

The Pennsylvania Railroad's class HH1s comprised a single 2-8-8-2 type steam locomotive. Unlike most Pennsylvania Railroad steam locomotives, it had a wagon-top boiler. It was built by the American Locomotive Company (ALCO) in 1911. For 17 years, the single HH1s served as a helper until 1928. It had the road number 3396 and was subsequently scrapped after it was taken out of service in 1928.

References

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Pennsylvania Railroad locomotives
   
A (0-4-0):
B (0-6-0):
C (0-8-0):
  • C1
  • C29
  • C30
  • C31
D (4-4-0):
E (4-4-2):
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):
I (2-10-0):
J (2-6-2 and 2-10-4):
K (4-6-2):
L (2-8-2):
M (4-8-2):
N (2-10-2):
O (4-4-4):
P (4-6-4):
Q (4-6-4-4 and 4-4-6-4):
R (4-8-4):
S (6-4-4-6 and 6-8-6):
T (4-4-4-4):
Articulated steam locomotives:
Articulated electric locomotives:
Non-standard:
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