Preserved #520 at the Railroad Museum of Pennsylvania.
Type and origin
Power type
Steam
Designer
J. T. Wallace, Alfred W. Gibbs, Axel Vogt
Builder
PRR Juniata Shops (344), Baldwin Locomotive Works (205), Lima Locomotive Works (25)[1]
Build date
1914–1919[1]
Total produced
574[1]
Specifications
Configuration:
• Whyte
2-8-2
• UIC
1'D1'
Leading dia.
33 in (0.84 m)[2]
Driver dia.
62 in (1.57 m)[2]
Trailing dia.
50 in (1.27 m)[2]
Wheelbase
36 ft 4.5 in (11.087 m) (locomotive)[2]
Length
82 ft 0.25 in (25.0000 m) (including 90F75 tender)[3]
Height
15 ft 0 in (4.57 m)[2]
Boiler pressure
205 psi (1.41 MPa)[1]
Cylinders
2[1]
Cylinder size
27 in × 30 in (690 mm × 760 mm)
Performance figures
Tractive effort
61,465 lbf (273.41 kN)
Factor of adh.
3.78
Career
Nicknames
Lollipops
Retired
1948-1960
Disposition
One preserved, remainder scrapped
Pennsylvania Railroad Class L1s were 2-8-2 "Mikado"-type steam locomotives that were used on the Pennsylvania Railroad during the early twentieth century. These 574 locomotives were manufactured between 1914 and 1919 by the railroad's own Juniata Shops (344 examples) as well as the Baldwin Locomotive Works (205) and the Lima Locomotive Works (25).[1]
It was the largest class of 2-8-2 locomotives anywhere, although other railroads had more Mikados in total.
^ abcdefBarris, Wes (2007). "Pennsylvania Railroad Mikados". SteamLocomotive.com. Archived from the original on 2007-09-27. Retrieved 2008-01-02.
^ abcdeCite error: The named reference steamcyc was invoked but never defined (see the help page).
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