MU CARS "54" Series
MP54A/MP54Ac/MP54AT 1402-1420, 1452-1676
MP54T 1001-1016, 1421-1450
(Of the above, 1678-1983 were arch roof, the rest were clerestory)
MPB54T 1351, 1363, 1369-1381
All club, combine, and baggage mail were clerestory roof.
MP - Motorized passenger
CT - Club Trailer (non motorized)
MPB - Motorized Passenger Baggage
MBM - Motorized Baggage Mail
54,62 - inside length of cars (the 62's didn't have vestibules)
A,B,C,D,D1 - various classes
T - Trailer (unmotorized)
c - ASC equipped (had cab controls, even in some unmotorized cars)
The date of the lists I've typed up are late 1957.
List of numbers used on LIRR P54s during the
All were the arch-roof variety except the P54E, those were clerestory roof
Also B-54's were clerestory roofed.
Contributed by Steve Hoskins