Pennsylvania/Long Island Railroad MP54

The MP54 was a motorized passenger car that was developed by the Pennsylvania Railroad but primarily used by the Long Island Railroad during the 1910s.
== Revenue Service ==
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== Preservation ==
Today, LIRR MP54 #1398 is at the Rail Car Park in Port Jefferson, #4137 is at the Seashore Trolley Museum, while #4153 is at the Connecticut Trolley Museum. Another is at the Long Island Fairgrounds. 
=== Honorable Mentions ===
# MP54 #4290: Scrapped by the Railroad Museum of Long Island due to poor condition.
# MP54 #1391: Also scrapped by the Railroad Museum of Long Island due to poor condition.
# Non-powered P54 #7433: On static display at the Oyster Bay Railroad Museum.