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Union Pacific Railroad

Roster of Diesel and Turbine Locomotives, 1934-2009

This page was last updated on March 5, 2013.

(Return to UP Diesel Roster Index Page)

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 UP 961B, 962B, and 963B 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)

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

UP 981A-985A, UP 986B, 987B

A total of 8 Erie A units and 5 Erie B units were on UP's roster of locomotives.

(Read more about these Fairbanks-Morse units; includes a full roster listing)

   

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.

###