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Pennsylvania Railroad class A3

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Pennsylvania Railroad A3
Type and origin
BuilderAltoona Works
Total produced81
Specifications
Configuration:
​
 • Whyte0-4-0
 • UICB
Gauge4 ft 8+1⁄2 in (1,435 mm) standard gauge
Driver dia.4 ft 2 in (1.270 m)
Boiler pressure140 psi (0.97 MPa) (production series)
Cylinders2, outside
Cylinder size17 in × 24 in (432 mm × 610 mm)
Career
OperatorsPennsylvania Railroad
DispositionAll scrapped

The Pennsylvania Railroad (PRR) A3 was a class of 0-4-0 steam locomotives built at Altoona Works between 1895 until 1905. The A3s were used as switchers for railroad cars at various PRR yards. Later, some A3s were converted to A3a, which had saddle tanks instead of tenders. The A3s were retired by 1920s, when the railroad introduced the much stronger class A5s. All members of the A3 class were scrapped.

References

  1. "PRR Steam Roster". North East Rails. Retrieved 9 February 2024.

External links
Pennsylvania Railroad locomotives
   
A (0-4-0):
B (0-6-0):
C (0-8-0):
D (4-4-0):
E (4-4-2):
F (2-6-0):
G (4-6-0):
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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