786284-1/6 11/80 Southern 4600-4605
837049-1/4 08/83 Alaska 2801-2804 847035-1/5 05/85 Alaska 2805-2809
766016-1/4 02/78 Southern Pacific 7200-7201, 7230-7231 766054-1/8 04-05/78 Atchison Topeka & Santa Fe 3802-3809 766066-1/3 06/78 Southern 7000-7002 766068-1/6 12/77-03/78 Unon Pacific 9000-9005 776008-1 06/78 Atchison Topeka & Santa Fe 3800 776009-1 06/78 Atchison Topeka & Santa Fe 3801
786251-1/47 08-11/80 Southern 7017-7063 786257-1/50 05-09/80 Chicago & North Western 5050-5099 796317-1/16 03-04/81 Atchison Topeka & Santa Fe 3824-3839 796321-1/14 09-11/80 Southern 7003-7016 797322-1/10 11-12/80 Missouri Pacific 3500-3509 796331-1/10 12/80 Burlington Northern 3100-3109 806005-1/7 01-02/81 Atchison Topeka & Santa Fe 3810-3822 even 806006-1/7 02-03/81 Atchison Topeka & Santa Fe 3811-3823 odd 807008-1/7 11-12/80 Southern 7064-7070 807023-1/16 01/81 Missouri Pacific 3510-3525 807054-1/20 04-06/81 Southern 7073-7092 807057-1/2 12/80 Southern 7071-7072 807058-1/4 01/81 Missouri Pacific 3526-3529 847057-1/15 04/85 Atchison Topeka & Santa Fe 3840-3854 847065-1/48 06-11/85 Burlington Northern 3110-3157 847073-1/5 11/85 (Crew Cab) Burlington Northern 3158-3162
786285-1/2 09/79 Kansas City Southern 700-701 786286-1/2 09/79 Kansas City Southern 702-703
806030-1/6 12/80 Norfolk & Western 6500-6505
806044-1/10 05-06/81 Kansas City Southern 704-713 817046-1/25 01-02/83 Seaboard System 8500-8524 827041-1/15 07/84 Norfolk Southern 6506-6520 837047-1/40 10-12/83 Conrail 6700-6739 837048-1/26 02-03/84 Seaboard System 8527-8552 837057-1/23 01-02/84 Chesapeake & Ohio 8553-8575 837065-1/40 04-06/84 Conrail 6740-6779 837068-1/2 03/84 Seaboard System 8525-8526 (microprocessor test units) 837073-1/5 07/84 Norfolk Southern 6521-6525 837080-1/7 06/84 Seaboard System 8596-8602 837081-1/20 07-08/84 Baltimore & Ohio 8576-8595 847008-1/60 11-12/84 Missouri Pacific 5000-5059 847017-1/21 01-02/85 Seaboard System 8603-8623 847022-1/17 08-09/84 Denver & Rio Grande Western 5501-5517 847032-1/25 04-05/85 Conrail 6780-6804 847049-1/35 11-12/85 Chicago & North Western 7000-7034 857080-1/30 01-02/86 Conrail 6805-6834 857095-1/20 10-11/85 Chesapeake & Ohio 8624-8643