Checks can be sent to:  R. Donald Ross, 3821 Crater Lake Ct, Irving, TX 75062-4015

4400 was built in June 1976, #757142-1, FN 757142-1.  It was assigned as Union Pacific 1545. Class GP15-1, in June 1995 and became Y545 on May 29, 2001.

4401 was built in June 1976, #757142-2, FN 757142-2.  It was assigned as UP 1546, Class GP15-1, in June 1995 and became Y546 on October 17, 2001.

4403 was built in June 1976, #757142-4. FN 757142-4.  It became UP 1548, Class GP15-1, on April 29, 1997, and became Y548 on November 13, 2001,  It was reclassified Class GP15N in May 2018.

4406 was built in June 1976, #757142-7, FN 757142-7.  It was assigned as UP 1551, Class GP15-1, in June 1995 and became Y551 on May 5, 2001.

4407 was built in June 1976, #757142-8, FN 757142-8.  It was wrecked at Nekoosa, WI on February 12, 1989, and retired on November 26, 1990.  It was scrapped in 1993.

4408 was built in June 1976, #757142-9, FN 757142-9.  It was assigned as UP 1552, Class GP15-1, in June 1995 and became Y552 on March 30, 2001.

4409 was built in June 1976, #757142-10, FN 757142-10.  It was assigned as UP 1553, Class GP15-1, in June 1995 and become Y553 on July 15, 2001.

4410 was built in June 1976, #757142-11, FN 757142-11.  It became UP 1554, Class GP15-1, on December 11, 1997, and renumbered Y554 on August 3, 2001.

4411 was built in June 1976, #757142-12, FN 757142-12.  It was retired on January 10, 1992, and returned to GATX in March 1992.  In October 1993 it became California Northern 100.  It was returned to GATX in 1996 and leased as Union Pacific 1542 on March 26, 1997.  It was renumbered Y542 on January 18, 2000, and retired on July 29, 2002.  It was returned to Locomotive Leasing Partners as LLPX 1514 and became General American Transportation Co GMTX 415.

4412 was built in June 1976, #757142-13, FN 757142-13.  It was retired on January 10, 1992, and returned to GATX in March 1992.  In October 1993 it became CFNR 101.  It was returned to GATX in 1996 and leased as UP 1543, Class GP15-2, on March 31, 1997.  It was retired on July 29, 2002, and returned as LLPX 1515 and became GMTX 416.

4415 was built in June 1976, #757142-16, FN 757142-16. It was retired on January 10, 1992, and returned to GATX in March 1992. In October 1993 it became CFNR 104.

4416 was built in June 1976, #757142-17, FN 757142-17.  It was retired on January 10, 1992, and returned to GATX in March 1992.  It was sold as CFNR 105 in October 1993.

4418 was built in June 1976, #757142-19, FN 757142-19.  It was retired on January 10, 1992, and returned to GATX in March 1992.   It was sold as CFNR 107 in October 1993 and transferred as San Joaquin Valley RR 107 in 2003.  It was returned as CFNR 107 and returned to GATX as GMTX 429 in October 2013.  It was leased to Richardson Pioneer.

4419 was built in June 1976, #757142-20, FN 757142-20.  It was retired on January 10, 1992, and returned to GATX in March 1992.  It was sold as CFNR 108 in October 1993 and returned as LLPX 2014 in January 2014.  It was leased as Little Rock Port Authority LRPA 2014 on September 30, 2014.

4420 was built in June 1976, #757142-21, FN 757142-21.  It was retired on January 10, 1992, and returned to GATX in March 1992.  It was sold as CFNR 109 in October 1993.

4421 was built in June 1976, #757142-22, FN 757142-22.  It was retired on January 10, 1992, and returned to GATX in March 1992.  It was sold as CFNR 110 in October 1993 and transferred as SJV 110 in 2003.

4422 was built in July 1976, #757142-23, FN 757142-23.  It was retired on January 10, 1992, and returned to GATX in March 1992.  It was sold as CFNR 111 in October 1993.