| Southern Railway GP49 4601 and 4603 at Louisville, Kentucky on June 9, 1985, Kodachrome by Gib Allbach, Chuck Zeiler collection. Number 4601 was built in November 1980 ( c/n 786284-2 ) as a GP39X. Number 4603 was built in November 1980 ( c/n 786284-4 ) as a GP39X. Both units were later upgraded to GP49 specifications by EMD, sold to Tri Rail, becoming TRCX 813 and 815 respectively. |