ALCo 539T S6

RS-1	Bo'Bo'	1435	Diesel loc	BRW RS-1 GMRC RS-1 WATC RS-1
S-12	Bo'Bo'	1435	Diesel loc	MCR S-12 MKT S12m SLRS S-12 TVA S-12
S2	Bo'Bo'	1435	Diesel loc	ACJ S2 AMTK S2 NYSW S2 PTRC S2 SFBR S2 USSX S2
S4	Bo'Bo'	1435	Diesel loc	ATSF S4 B&O S4 CP S4 TMBL S4