Seaboard System GP40 #6684 was built May 1966 and delivered as Seaboard Air Line #613, then re# to Seaboard Coast Line #1528 and later re# to CSX 6684. Left roster and re# VMV 6684, then Union Pacific #857. Retired and entered GP38M-3 rebuild program to become UP 2534, then UP 1034, then HLCX 1034 |