Seaboard System GP40 #6672 was built May 1966 and delivered as Seaboard Air Line #600, the class unit. Later re# to Seaboard Coast Line #1515 and later re# to CSX 6672. Left roster and became VMV #6672, then Union Pacific #859. Went into GP38M-3 rebuild program and became Union Pacific #2536, then UP #1036, then HLCX #1036 |