3 units
-Built in 1985 as EMD 7, 5 & 6, respectively; to LLPX 6001-6003
-Received in 2000 from LLPX along with SD60's 8787-8789 and SD70M's 4675-4699 after CSX traded 75 older 4-axles units including all remaining GP38's, most GP40's, 12 ex-CR GP15-1's and a few ex-CR switchers.