All Time UP Diesel Roster, Part 17

Union Pacific passenger train motive power, circa 1946

EMC E2A — 1 unit
1800 horsepower; A1A-A1A trucks; 317,600 pounds operating weight (214,000 pounds weight on drivers)

Road Number	First Number	Builder Date	Builder Number	Notes
901A	SF-1	Oct 1937	744	Renumbered to 983J in March 1948.

General Notes:

a.	901A was built as SF-1; renumbered to 901A in August 1946.
b.	901A was owned jointly by Union Pacific, Chicago & North Western, and Southern Pacific.
c.	Built under EMC order number E162.

EMC E2B — 2 units
1800 horsepower; A1A-A1A trucks; 311,300 pounds operating weight (209,900 pounds weight on drivers)

Road Number	First Number	Builder Date	Builder Number	Notes
902B	SF-2	Oct 1937	745	Renumbered to 983BJ in March 1938.
903B	SF-3	Oct 1937	746	Renumbered to 983CJ in March 1948.

General Notes:

a.	902B and 903B were built as SF-2 and SF-3; renumbered to 902B and 903B in August 1946.
b.	902B and 903B were owned jointly by Union Pacific, Chicago & North Western, and Southern Pacific.
c.	Built under EMC order number E163.

EMD E6A — 1 unit
2000 horsepower; A1A-A1A trucks; 314,400 pounds operating weight (211,900 pounds weight on drivers)

Road Number	First Number	Builder Date	Builder Number	Notes
904A	SF-4	Mar 1941	1175	Renumbered to 985J in March 1948.

General Notes:

a.	UP 904A was built as SF-4; renumbered to 904A in August 1946.
b.	Built on EMD order number E341.

EMD E6B — 2 units
2000 horsepower; A1A-A1A trucks; 314,300 pounds operating weight (211,700 pounds weight on drivers)

Road Number	First Number	Builder Date	Builder Number	Notes
905B	SF-5	Mar 1941	1176	Renumbered to 985BJ in March 1948.
906B	SF-6	Mar 1941	1177	Renumbered to 985CJ in March 1948.

General Notes:

a.	UP 905B and 906B were built as SF-5 and SF-6; renumbered to 905B and 906B in August 1946.
b.	Built on EMD order number E342.

EMD E7A — 1 unit
2000 horsepower; A1A-A1A trucks; 323,700 pounds operating weight (218,000 pounds weight on drivers)

Road Number	Builder Date	Builder Number	Notes
907A	Aug 1946	3509	Renumbered to 986J in March 1948.

General Notes:

a.	UP 907A was ordered as SF-7, but delivered as 907A after the passenger locomotive fleet was renumbered in August 1946.
b.	Built on EMD order number E690.

EMD E7B — 2 units
2000 horsepower; A1A-A1A trucks; 318,400 pounds operating weight (214,500 pounds weight on drivers)

Road Number	Builder Date	Builder Number	Notes
908B	Aug 1946	3515	Renumbered to 986BJ in March 1948.
909B	Aug 1946	3516	Renumbered to 986CJ in March 1948.

General Notes:

a.	UP 908B and 909B were ordered as SF-8 and SF-9, but delivered as 908B and 909B after the passenger locomotive fleet was renumbered in August 1946.
b.	Built on EMD order number E690.

EMC E2A — 1 unit
1800 horsepower; A1A-A1A trucks; 307,700 pounds operating weight (207,500 pounds weight on drivers)

Road Number	First Number	Builder Date	Builder Number	Notes
921A	LA-1	Oct 1937	741	Renumbered to 984J in March 1948.

General Notes:

a.	UP 921A was built as LA-1; renumbered to 921A in August 1946.
b.	UP 921A was owned jointly by Union Pacific and Chicago & North Western.
c.	Built on EMD order number E157.

EMC E2B — 2 units
1800 horsepower; A1A-A1A trucks; 311,300 pounds operating weight (209,900 pounds weight on drivers)

Road Number	First Number	Builder Date	Builder Number	Notes
922B	LA-2	Oct 1937	742	Renumbered to 984BJ in March 1948.
923B	LA-3	Oct 1937	743	Renumbered to 984CJ in March 1948.

General Notes:

a.	922B and 923B were built as LA-2 and LA-3; renumbered to 922B and 923B in August 1946.
b.	922B and 923B were owned jointly by Union Pacific and Chicago & North Western.
c.	Built under EMC order number E158.

EMD E6A — 1 unit
2000 horsepower; A1A-A1A trucks; 314,400 pounds operating weight (211,900 pounds weight on drivers)

Road Number	First Number	Builder Date	Builder Number	Notes
924A	LA-4	Feb 1941	1172	Renumbered to 987J in March 1948.

General Notes:

a.	924A built as LA-4; renumbered to 924A in August 1946.
b.	Built on EMD order number E341.

EMD E6B — 2 units
2000 horsepower; A1A-A1A trucks; 314,300 pounds operating weight (211,700 pounds weight on drivers)

Road Number	First Number	Builder Date	Builder Number	Notes
925B	LA-5	Feb 1941	1173	Renumbered to 987BJ in March 1948.
926B	LA-6	Feb 1941	1174	Renumbered to 987CJ in March 1948.

General Notes:

a.	925B and 926B built as LA-5 and LA-6; renumbered to 925B and 926B in August 1946.
b.	Built on EMD order number E342.

EMD E7A — 1 unit
2000 horsepower; A1A-A1A trucks; 323,700 pounds operating weight (18,000 pounds weight on drivers)

Road Number	Builder Date	Builder Number	Notes
927A	Aug 1946	3506	Renumbered to 988J in March 1948.

General Notes:

a.	927A was ordered as LA-7, but delivered as 927A after the passenger locomotive fleet was renumbered in August 1946.
b.	Built on EMD order number E690.

EMD E7B — 2 units
2000 horsepower; A1A-A1A trucks; 318,400 pounds operating weight (214,500 pounds weight on drivers)

Road Number	Builder Date	Builder Number	Notes
928B	Aug 1946	3513	Renumbered to 988BJ in March 1948.
929B	Aug 1946	3514	Renumbered to 988CJ in March 1948.

General Notes:

a.	928B and 929B were ordered as LA-8 and LA-9, but delivered as 928B and 929B after the passenger locomotive fleet was renumbered in August 1946.
b.	Built on EMD order number E690.

EMD E7A — 2 units
2000 horsepower; A1A-A1A trucks; 323,700 pounds operating weight (218,000 pounds weight on drivers)

Road Number	Builder Date	Builder Number	Notes
930A	Aug 1946	3507	Renumbered to 989J in March 1948.
931A	Aug 1946	3508	Renumbered to 990J in March 1948.

General Notes:

a.	930A and 931A were ordered as CP-1 and CP-2, but delivered as 930A and 931A after the passenger locomotive fleet was renumbered in August 1946.
b.	Built on EMD order number E690.

EMC E3A — 1 unit
2000 horsepower; A1A-A1A trucks; 308,500 pounds operating weight (207,900 pounds weight on drivers)

Road Number	First Number	Second Number	Builder Date	Builder Number	Notes
951A	LA-5	5-M-1A	Mar 1939	893	Renumbered to 991 in March 1948.

General Notes:

a.	UP 951A built as LA-5; renumbered to 5-M-1A in February 1941; renumbered to 951A in August 1946.
b.	Built under EMC order number E225.

EMC E3B — 1 unit
2000 horsepower; A1A-A1A trucks; 308,500 pounds operating weight (207,900 pounds weight on drivers)

Road Number	First Number	Second Number	Builder Date	Builder Number	Notes
952B	LA-6	5-M-1B	Mar 1939	894	Renumbered to 992B in March 1948.

General Notes:

a.	UP 952B was built as LA-6; renumbered to 5-M-1B in February 1941; renumbered to 952B in August 1946.
b.	Built under EMC order number E226.

EMC E6A — 6 units
2000 horsepower; A1A-A1A trucks; 314,400 pounds operating weight (211,900 pounds weight on drivers)

Road Number	First Number	Builder Date	Builder Number	Notes
953A	7-M-1	Aug 1940	1136	Renumbered to 992 in March 1948.
954A	7-M-2	Aug 1940	1137	Renumbered to 993 in March 1948.
955A	8-M-1	Aug 1940	1138	Renumbered to 994 in March 1948.
956A	8-M-2	Aug 1940	1139	Renumbered to 995 in March 1948.
957A	9-M-1	Aug 1940	1140	Renumbered to 996 in March 1948.
958A	9-M-2	Aug 1940	1141	Renumbered to 997 in March 1948.

General Notes:

a.	UP 953A-958A built as UP 7-M-1, 7-M-2, 8-M-1, 8-M-2, 9-M-1, and 9-M-2; renumbered to 953A-958A in August 1946.
b.	Built under EMC order number E333.

EMD E7A — 2 units
2000 horsepower; A1A-A1A trucks; 323,700 pounds operating weight (218,000 pounds weight on drivers)

Road Number	Builder Date	Builder Number	Notes
959A	Aug 1946	3504	Renumbered to 998 in March 1948.
960A	Aug 1946	3505	Renumbered to 999 in March 1948.

General Notes:

a.	UP 959A and 960A were ordered as 10-M-1A and 10-M-2A, but were delivered as 959A and 960A after the passenger locomotive fleet was renumbered in August 1946.
b.	Built on EMD order number E690.

EMD E7B — 3 units
2000 horsepower; A1A-A1A trucks; 318,400 pounds operating weight (214,500 pounds weight on drivers)

Road Number	Builder Date	Builder Number	Notes
961B	Aug 1946	3510	Renumbered to 994B in March 1948.
962B	Aug 1946	3511	Renumbered to 996B in March 1948.
963B	Aug 1946	3512	Renumbered to 998B in March 1948.

General Notes:

a.	UP 961B, 962B, and 963B were ordered as 7-M-3B, 8-M-3B, and 9-M-3B, but were delivered as 959A and 960A after the passenger locomotive fleet was renumbered in August 1946.
b.	Built on EMD order number E690.

EMD F3A — 5 units
1500 horsepower; B-B trucks; 248,400 pounds operating weight

Road Number	Builder Date	Builder Number	Notes
964A	Sep 1947	4480	Renumbered to 900 in April 1948.
965A	Sep 1947	4481	Renumbered to 901 in March 1948.
966A	Sep 1947	4482	Renumbered to 902 in March 1948.
967A	Sep 1947	4483	Renumbered to 903 in March 1948.
968A	Oct 1947	4484	Renumbered to 904 in March 1948.

General Notes:

a.	Equipped with high speed 56:21 gear ratio for passenger service.
b.	Equipped with 600 gallon water tanks to furnish water for steam generator-equipped B-units.
c.	Built on EMD order number E845.

EMD F3B — 10 units
1500 horsepower; B-B trucks; 248,600 pounds operating weight

Road Number	Builder Date	Builder Number	Notes
969B	Sep 1947	4485	Renumbered to 900B in April 1948.
970B	Sep 1947	4486	Renumbered to 900C in March 1948.
971B	Sep 1947	4487	Renumbered to 901B in March 1948.
972B	Sep 1947	4488	Renumbered to 901C in March 1948.
973B	Sep 1947	4489	Renumbered to 902B in March 1948.
974B	Sep 1947	4490	Renumbered to 902C in March 1948.
975B	Sep 1947	4491	Renumbered to 903B in April 1948.
976B	Sep 1947	4842	Renumbered to 903C in May 1948.
977B	Sep 1947	4843	Renumbered to 904B in April 1948.
978B	Sep 1947	4844	Renumbered to 904C in March 1948.

General Notes:

a.	Equipped with high speed 56:21 gear ratio for passenger service.
b.	Equipped with steam generators (including water tanks) and high speed gearing for passenger service.
c.	Built on EMD order number E845.

F-M Erie A — 4 units
2000 horsepower; A1A-A1A trucks; 341,600 pounds operating weight (238,400 pounds weight on drivers)

Road Number	First Number	Builder Date	F-M Builder Number	GE Builder Number	Notes
981A	50-M-1A	Dec 1945	L1060	27789	Renumbered to 700 in March 1948.
982A	50-M-2A	Dec 1945	L1061	27790	Renumbered to 701 in March 1948.
984A		Nov 1947	L1117	29391	Renumbered to 702 in March 1948.
985A		Nov 1947	L1118	29392	Renumbered to 703 in March 1948.

General Notes:

a.	Designed by Fairbanks-Morse and constructed by General Electric at their factory in Erie, Pa., hence the name "Erie-builts". The locomotives used F-M diesel engines and GE electrical equipment.
b.	Generally assigned to passenger service on the South Central District, between Salt Lake City, Utah and Los Angeles, Calif.
c.	UP 981A and 982A built as Fairbanks-Morse 50-M-1A and 50-M-2A demonstrators; sold to UP as UP 50-M-1A and 50-M-2A, originally for freight service. Regeared and reassigned to passenger service in May 1946. Renumbered to UP 981A and 982A in August 1946.
d.	Previously published in error as being Fairbanks-Morse model ALT-100-3. Additional information shows that this was merely the form number of the original advertising literature.
e.	The 1961 retirement dates are taken from the original UP roster in the December 1962 issue of the original Extra 2200 South.

F-M Erie B — 3 units
2000 horsepower; A1A-A1A trucks; 338,900 pounds operating weight (236,700 pounds weight on drivers)

Road Number	First Number	Builder Date	F-M Builder Number	GE Builder Number	Notes
983B	50-M-3B	Dec 1945	L1062	27791	Renumbered to 700B in March 1948.
986B		Nov 1947	L1127	29431	Renumbered to 702B in March 1948.
987B		Nov 1947	L1128	29392	Renumbered to 703B in March 1948.

General Notes:

a.	Designed and engineered by Fairbanks-Morse and constructed by General Electric at their factory in Erie, Pa., hence the name "Erie-builts". The locomotives used F-M diesel engines and GE electrical equipment.
b.	Generally assigned to passenger service on the South Central District, between Salt Lake City, Utah and Los Angeles, Calif.
c.	UP 983B built as Fairbanks-Morse 50-M-3B demonstrator; sold to UP as UP 50-M-3B, originally for freight service. Regeared and reassigned to passenger service in May 1946. Renumbered to UP 983B in August 1946.
d.	Previously published in error as being Fairbanks-Morse model ALT-100-3. Additional information shows that this was merely the form number of the original advertising literature.
e.	The 1961 retirement dates are taken from the original UP roster in the December 1962 issue of the original Extra 2200 South.

Alco PA-1 — 4 units
2000 horsepower; A1A-A1A trucks; 314,000 pounds operating weight (209,200 pounds weight on drivers)

Road Number	Builder Date	Builder Number	Notes
994A	Sep 1947	74692	Renumbered to 600 in March 1948.
995A	Sep 1947	74693	Renumbered to 601 in March 1948.
996A	Sep 1947	74694	Renumbered to 602 in March 1948.
997A	Sep 1947	74695	Renumbered to 603 in March 1948.

General Notes:

a.	Equipped with steam generators for passenger service.
b.	Alco order number 20109.

Alco PB-1 — 2 units
2000 horsepower; A1A-A1A trucks; 310,700 pounds operating weight (207,000 pounds weight on drivers)

Road Number	Builder Date	Builder Number	Notes
998B	Sep 1947	75341	Renumbered to 600B in March 1948.
999B	Sep 1947	75342	Renumbered to 602B in March 1948.

General Notes:

a.	Equipped with steam generators for passenger service.
b.	Alco order number 20110.

Jointly owned passenger power (UP-C&NW-SP)

EMC E2A — 1 unit
1800 horsepower; A1A-A1A trucks; 317,600 pounds operating weight (214,000 pounds weight on drivers)

Road Number	First Number	Second Number	Builder Date	Builder Number	Notes
983J	SF-1	901A	Oct 1937	744	Sold to Southern Pacific 6011A in December 1948.

General Notes:

a.	Built as SF-1; renumbered to 901A in August 1946; renumbered to 983J in March 1948.
b.	Owned jointly by Union Pacific, Chicago & North Western, and Southern Pacific.
c.	Sold to Southern Pacific when the joint ownership of the motive power of the City of San Francisco was dissolved in December 1948.
d.	Built under EMC order number E162.

EMC E2A — 1 unit
1800 horsepower; A1A-A1A trucks; 307,700 pounds operating weight (207,500 pounds weight on drivers)

Road Number	First Number	Second Number	Builder Date	Builder Number	Notes
984J	LA-1	921A	Oct 1937	741	Sold to C&NW 5003A in December 1948.

General Notes:

a.	Built as LA-1; renumbered to 921A in August 1946; renumbered to 984J in March 1948.
b.	Owned jointly by Union Pacific and Chicago & North Western.
c.	Sold to Chicago & North Western when the joint ownership of the motive power of the City of Los Angeles was dissolved in December 1948.
d.	Built under EMC order number E157.

EMD E6A — 1 unit
2000 horsepower; A1A-A1A trucks; 314,400 pounds operating weight (211,900 pounds weight on drivers)

Road Number	First Number	Second Number	Builder Date	Builder Number	Notes
985J	SF-4	904A	Mar 1941	1175	Sold to C&NW 5004A in December 1948.

General Notes:

a.	Built as SF-4; renumbered to 904A in August 1946; renumbered to 985J in March 1948.
b.	Owned jointly by Union Pacific, Chicago & North Western, and Southern Pacific.
c.	Built on EMD order number E341.

EMD E7A — 1 unit
2000 horsepower; A1A-A1A trucks; 323,700 pounds operating weight (218,000 pounds weight on drivers)

Road Number	First Number	Builder Date	Builder Number	Notes
986J	907A	Aug 1946	3509	Renumbered to UP 986 in December 1948.

General Notes:

a.	Built as 907A; renumbered to 986J in March 1948.
b.	Built on EMD order number E690.

EMD E6A — 1 unit
2000 horsepower; A1A-A1A trucks; 314,400 pounds operating weight (211,900 pounds weight on drivers)

Road Number	First Number	Second Number	Builder Date	Builder Number	Notes
987J	LA-4	924A	Feb 1941	1172	Renumbered to UP 987 in December 1948.

General Notes:

a.	Built as LA-4; renumbered to 924A in August 1946; renumbered to 987J in March 1948.
b.	Owned jointly by Union Pacific and Chicago & North Western.
c.	Built on EMD order number E341.

EMD E7A — 3 units
2000 horsepower; A1A-A1A trucks; 323,700 pounds operating weight (218,000 pounds weight on drivers)

Road Number	First Number	Builder Date	Builder Number	Notes
988J	927A	Aug 1946	3506	Sold to C&NW 5004B in December 1948.
989J	930A	Aug 1946	3507	Renumbered to UP 989 in December 1948.
990J	931A	Aug 1946	3508	Renumbered to UP 990 in December 1948.

General Notes:

a.	Built as 927A, 930A and 931A; renumbered to 988J, 989J and 990J in March 1948.
b.	Built on EMD order number E690.

EMC E2B — 2 units
1800 horsepower; A1A-A1A trucks; 311,300 pounds operating weight (209,900 pounds weight on drivers)

Road Number	First Number	Second Number	Builder Date	Builder Number	Notes
983BJ	SF-2	902B	Oct 1937	745	Renumbered to UP 983B in December 1948.
983CJ	SF-3	903B	Oct 1937	746	Renumbered to UP 983C in December 1948.

General Notes:

a.	Built as SF-2 and SF-3; renumbered to 902B and 903B in August 1946; renumbered to 983BJ and 983CJ in March 1948.
b.	Owned jointly by Union Pacific, Chicago & North Western, and Southern Pacific.
d.	Built under EMC order number E163.

EMC E2B — 2 units
1800 horsepower; A1A-A1A trucks; 311,300 pounds operating weight (209,900 pounds weight on drivers)

Road Number	First Number	Second Number	Builder Date	Builder Number	Notes
984BJ	LA-2	922B	Oct 1937	742	Renumbered to UP 984B in December 1948.
984CJ	LA-3	923B	Oct 1937	743	Renumbered to UP 984C in December 1948.

General Notes:

a.	Built as LA-2 and LA-3; renumbered to 922B and 923B in August 1946; renumbered to 984BJ and 984CJ in March 1948.
b.	Owned jointly by Union Pacific and Chicago & North Western.
c.	Built under EMC order number E158.

EMD E6B — 2 units
2000 horsepower; A1A-A1A trucks; 314,300 pounds operating weight (211,700 pounds weight on drivers)

Road Number	First Number	Second Number	Builder Date	Builder Number	Notes
985BJ	SF-5	905B	Mar 1941	1176	Renumbered to 985B in December 1948.
985CJ	SF-6	906B	Mar 1941	1177	Renumbered to 985C in December 1948.

General Notes:

a.	Built as SF-5 and SF-6; renumbered to 905B and 906B in August 1946; renumbered to 985BJ and 985CJ in March 1948.
b.	Owned jointly by Union Pacific, Chicago & North Western, and Southern Pacific.
c.	Built on EMD order number E342.

EMD E7B — 2 units
2000 horsepower; A1A-A1A trucks; 318,400 pounds operating weight (214,500 pounds weight on drivers)

Road Number	First Number	Builder Date	Builder Number	Notes
986BJ	908B	Aug 1946	3515	Sold to SP 6011B in December 1948.
986CJ	909B	Aug 1946	3516	Sold to SP 6011C in December 1948.

General Notes:

a.	Built as 908B and 909B; renumbered to 986BJ and 986CJ in March 1948.
b.	Built on EMD order number E690.

EMD E6B — 2 units
2000 horsepower; A1A-A1A trucks; 314,300 pounds operating weight (211,700 pounds weight on drivers)

Road Number	First Number	Second Number	Builder Date	Builder Number	Notes
987BJ	LA-5	925B	Feb 1941	1173	Renumbered to UP 987B in December 1948.
987CJ	LA-6	926B	Feb 1941	1174	Renumbered to UP 987C in December 1948.

General Notes:

a.	Built as LA-5 and LA-6; renumbered to 925B and 926B in August 1946; renumbered to 987BJ and 987CJ in March 1948.
b.	Owned jointly by Union Pacific and Chicago & North Western.
c.	Built on EMD order number E342.

EMD E7B — 2 units
2000 horsepower; A1A-A1A trucks; 318,400 pounds operating weight (214,500 pounds weight on drivers)

Road Number	First Number	Builder Date	Builder Number	Notes
988BJ	928B	Aug 1946	3513	Renumbered to UP 988B in December 1948.
990BJ	929B	Aug 1946	3514	Renumbered to UP 990B in December 1948.

General Notes:

a.	988BJ and 990BJ were built as 928B and 929B; renumbered to 988BJ and 990BJ in March 1948.
b.	Built on EMD order number E690.