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Union Pacific Railroad

Roster of Diesel and Turbine Locomotives, 1934-2009

This page was last updated on July 20, 2012.

(Return to UP Diesel Roster Index Page)

Roster Listing

GE U50C -- 40 units
5000 horsepower; C-C trucks; 442,700 pounds operating weight

Road
Number
Builder
Date
Builder
Number
Date
Retired
Notes
UP 5000 Nov 1969 37139 8 Mar 1977 Sold for scrap to Erman Corp., Turner, Kans., in August 1977.
UP 5001 Oct 1969 37140 8 Mar 1977 Sold for scrap to Erman Corp., Turner, Kans., in August 1977.
UP 5002 Mar 1970 37141 8 Mar 1977 Wrecked; sold for scrap to Erman Corp., Turner, Kans., in May 1977.
UP 5003 Mar 1970 37142 8 Mar 1977 Sold for scrap to Erman Corp., Turner, Kans., in August 1977.
UP 5004 Mar 1970 37143 8 Mar 1977 Sold for scrap to Erman Corp., Turner, Kans., in August 1977.
UP 5005 Apr 1970 37144 8 Mar 1977 Wrecked; scrapped by UP at Omaha in August 1977.
UP 5006 Apr 1970 37145 8 Mar 1977 Sold for scrap to Erman Corp., Turner, Kans., in May 1977.
UP 5007 May 1970 37146 8 Mar 1977 Sold for scrap to Erman Corp., Turner, Kans., in August 1977.
UP 5008 May 1970 37147 8 Mar 1977 Sold for scrap to Erman Corp., Turner, Kans., in August 1977.
UP 5009 May 1970 37148 8 Mar 1977 Sold for scrap to Erman Corp., Turner, Kans., in May 1977.
UP 5010 May 1970 37149 8 Mar 1977 Sold for scrap to Erman Corp., Turner, Kans., in May 1977.
UP 5011 May 1970 37150 8 Mar 1977 Sold for scrap to Erman Corp., Turner, Kans., in May 1977.
UP 5012 Nov 1970 37151 8 Mar 1977 Sold for scrap to Erman Corp., Turner, Kans., in May 1977.
UP 5013 Dec 1970 37152 8 Mar 1977 Sold for scrap to Erman Corp., Turner, Kans., in May 1977.
UP 5014 Dec 1970 37153 8 Mar 1977 Sold for scrap to Erman Corp., Turner, Kans., in August 1977.
UP 5015 Dec 1970 37154 8 Mar 1977 Sold for scrap to Erman Corp., Turner, Kans., in August 1977.
UP 5016 Dec 1970 37155 8 Mar 1977 Sold for scrap to Erman Corp., Turner, Kans., in May 1977.
UP 5017 Jan 1971 37156 23 Feb 1978 Sold for scrap to Erman Corp., Turner, Kans., in June 1978.
UP 5018 Jan 1971 37157 23 Feb 1978 Sold for scrap to Erman Corp., Turner, Kans., in June 1978.
UP 5019 Feb 1971 37158 23 Feb 1978 Sold for scrap to Erman Corp., Turner, Kans., in June 1978.
UP 5020 May 1971 37273 23 Feb 1978 Sold for scrap to Erman Corp., Turner, Kans., in June 1978.
UP 5021 May 1971 37274 23 Feb 1978 Sold for scrap to Erman Corp., Turner, Kans., in June 1978.
UP 5022 May 1971 37275 23 Feb 1978 Sold for scrap to Erman Corp., Turner, Kans., in June 1978.
UP 5023 Jun 1971 37276 23 Feb 1978 Sold for scrap to Erman Corp., Turner, Kans., in June 1978.
UP 5024 Jun 1971 37277 23 Feb 1978 Sold for scrap to Erman Corp., Turner, Kans., in June 1978.
UP 5025 Jun 1971 37278 23 Feb 1978 Sold for scrap to Erman Corp., Turner, Kans., in June 1978.
UP 5026 Jun 1971 37279 23 Feb 1978 Sold for scrap to Erman Corp., Turner, Kans., in June 1978.
UP 5027 Jul 1971 37280 23 Feb 1978 Sold for scrap to Erman Corp., Turner, Kans., in June 1978.
UP 5028 Jul 1971 37281 23 Feb 1978 Sold for scrap to Erman Corp., Turner, Kans., in June 1978.
UP 5029 Jul 1971 37282 23 Feb 1978 Sold for scrap to Erman Corp., Turner, Kans., in June 1978.
UP 5030 Aug 1971 37283 23 Feb 1978 Sold for scrap to Erman Corp., Turner, Kans., in June 1978.
UP 5031 Aug 1971 37284 23 Feb 1978 Sold for scrap to Erman Corp., Turner, Kans., in June 1978.
UP 5032 Aug 1971 37285 23 Feb 1978 Sold for scrap to Erman Corp., Turner, Kans., in June 1978.
UP 5033 Sep 1971 37286 23 Feb 1978 Sold for scrap to Erman Corp., Turner, Kans., in June 1978.
UP 5034 Sep 1971 37287 23 Feb 1978 Sold for scrap to Erman Corp., Turner, Kans., in June 1978.
UP 5035 Sep 1971 37288 23 Feb 1978 Sold for scrap to Erman Corp., Turner, Kans., in June 1978.
UP 5036 Oct 1971 37289 23 Feb 1978 Sold for scrap to Erman Corp., Turner, Kans., in June 1978.
UP 5037 Oct 1971 37290 23 Feb 1978 Sold for scrap to Erman Corp., Turner, Kans., in June 1978.
UP 5038 Nov 1971 37291 23 Feb 1978 Sold for scrap to Erman Corp., Turner, Kans., in June 1978.
UP 5039 Nov 1971 37292 23 Feb 1978 Sold for scrap to Erman Corp., Turner, Kans., in June 1978.

General Notes:

a. UP 5000-5039 were built using trade-in trucks from UP's 1-30 gas turbine electric locomotives.
b. UP 5000-5011 were built without nose doors, which were later added to match 5012-5039.
   

EMD SD50 -- 60 units
3500 horsepower; C-C trucks; 394,000 pounds operating weight

Road
Number
First
Number
Builder
Date
Builder
Number
Date To
UP Number
Renumbered
To
Date
Renumbered
Date
Retired
Notes
UP 5000 MP 5000 Nov 1984 847008-1 11 Oct 1989 WP 5000 8 Aug 2002 12 Jul 2001  
UP 5001 MP 5001 Nov 1984 847008-2 4 Oct 1989 UP 9881 11 Dec 1999   1
UP 5002 MP 5002 Nov 1984 847008-3 26 Jun 1990 UP 9835 5 Aug 2002    
UP 5003 MP 5003 Nov 1984 847008-4 2 Mar 1990 UP 9836 13 May 2002    
UP 5004 MP 5004 Nov 1984 847008-5 26 Jul 1990     28 Dec 2000  
UP 5005 MP 5005 Nov 1984 847008-6 14 Feb 1990     18 Jan 2001  
UP 5006 MP 5006 Nov 1984 847008-7 16 Mar 1990     24 May 2001  
UP 5007 MP 5007 Nov 1984 847008-8 8 Feb 1989     15 Nov 2001  
UP 5008 MP 5008 Nov 1984 847008-9 4 May 1990     19 Dec 2000  
UP 5009 MP 5009 Nov 1984 847008-10 15 Nov 1989 WP 5009 16 Aug 2002 7 Feb 2001 2
UP 5010 MP 5010 Nov 1984 847008-11 5 Jun 1990 WP 5010 13 Aug 2002 29 Jan 2001  
UP 5011 MP 5011 Nov 1984 847008-12 4 Apr 1990 WP 5011 20 Aug 2002 31 Jul 2001  
UP 5012 MP 5012 Nov 1984 847008-13 3 Apr 1990     19 Apr 2001  
UP 5013 MP 5013 Nov 1984 847008-14 22 May 1990     21 Dec 2001  
UP 5014 MP 5014 Nov 1984 847008-15 7 Jun 1989     31 Jul 2001  
UP 5015 MP 5015 Nov 1984 847008-16 31 Jul 1990 WP 5015 13 Aug 2002 19 Jun 2001  
UP 5016 MP 5016 Nov 1984 847008-17 14 Jul 1989     27 Feb 2001  
UP 5017 MP 5017 Nov 1984 847008-18 17 May 1990     29 Nov 2001  
UP 5018 MP 5018 Nov 1984 847008-19 7 Apr 1989 UP 9837 3 Sep 2002    
UP 5019 MP 5019 Nov 1984 847008-20 13 Jun 1990 WP 5019 30 Aug 2002 16 Oct 2001  
UP 5020 MP 5020 Nov 1984 847008-21 18 Jul 1990     21 Dec 2001  
UP 5021 MP 5021 Nov 1984 847008-22 21 Mar 1990 WP 5021 6 Sep 2002 16 Oct 2001  
UP 5022 MP 5022 Nov 1984 847008-23 20 Apr 1990 WP 5022 13 Aug 2002 27 Apr 2001  
UP 5023 MP 5023 Dec 1984 847008-24 14 Apr 1989 WP 5023 13 Aug 2002 27 Feb 2001  
UP 5024 MP 5024 Nov 1984 847008-25 14 Nov 1989 WP 5024 13 Aug 2002 19 Apr 2001  
UP 5025 MP 5025 Nov 1984 847008-26 29 Jun 1989 WP 5025 6 Sep 2002 22 Aug 2001  
UP 5026 MP 5026 Nov 1984 847008-27 16 Feb 1990 WP 5026 6 Sep 2002 12 Oct 2000  
UP 5027 MP 5027 Dec 1984 847008-28 19 Jun 1990     5 Dec 1997 3
UP 5028 MP 5028 Dec 1984 847008-29 10 May 1990 WP 5028 6 Sep 2002 29 Nov 2001  
UP 5029 MP 5029 Dec 1984 847008-30 12 Dec 1988 WP 5029 6 Sep 2002 12 Jul 2001  
UP 5030 MP 5030 Dec 1984 847008-31 12 Jul 1990 UP 9838 29 Aug 2002    
UP 5031 MP 5031 Dec 1984 847008-32 1 Aug 1990 WP 5031 6 Sep 2002 27 Feb 2001  
UP 5032 MP 5032 Dec 1984 847008-33 17 May 1989 WP 5032 10 Sep 2002 22 Aug 2001  
UP 5033 MP 5033 Dec 1984 847008-34 3 Jul 1990     24 May 2001  
UP 5034 MP 5034 Dec 1984 847008-35 10 Jul 1990 WP 5034 12 Sep 2002 31 Oct 2000  
UP 5035 MP 5035 Dec 1984 847008-36 6 Jul 1990 WP 5035 12 Sep 2002 29 Nov 2001  
UP 5036 MP 5036 Dec 1984 847008-37 29 May 1990 UP 9839 9 May 2002    
UP 5037 MP 5037 Dec 1984 847008-38 13 Jun 1990 WP 5037 12 Sep 2002 19 Apr 2001  
UP 5038 MP 5038 Dec 1984 847008-39 7 Jun 1990 WP 5038 12 Sep 2002 24 May 2001  
UP 5039 MP 5039 Dec 1984 847008-40 13 Feb 1989 UP 9840 15 May 2002    
UP 5040 MP 5040 Dec 1984 847008-41 9 Mar 1990     31 Oct 2000  
UP 5041 MP 5041 Dec 1984 847008-42 12 Apr 1990     27 Feb 2001  
UP 5042 MP 5042 Dec 1984 847008-43 12 May 1989     29 Nov 2001  
UP 5043 MP 5043 Dec 1984 847008-44 10 Apr 1990     19 Apr 2001  
UP 5044 MP 5044 Dec 1984 847008-45 22 Feb 1989     12 Jul 2001  
UP 5045 MP 5045 Dec 1984 847008-46 16 Mar 1990     29 Oct 1999  
UP 5046 MP 5046 Dec 1984 847008-47 14 Dec 1988 UP 9841 6 Jun 2002    
UP 5047 MP 5047 Dec 1984 847008-48 15 May 1990     22 Nov 2000  
UP 5048 MP 5048 Dec 1984 847008-49 16 Aug 1990 UP 9842 17 Aug 2002    
UP 5049 MP 5049 Dec 1984 847008-50 5 Jan 1989     27 Apr 2001  
UP 5050 MP 5050 Dec 1984 847008-51 28 Jun 1990     31 Aug 2000  
UP 5051 MP 5051 Dec 1984 847008-52 27 Jan 1989     12 Jul 2001  
UP 5052 MP 5052 Dec 1984 847008-53 17 Sep 1990     20 Jun 2000  
UP 5053 MP 5053 Dec 1984 847008-54 23 Jul 1990 UP 9843 17 Aug 2002    
UP 5054 MP 5054 Dec 1984 847008-55 17 Jan 1989     24 May 2001  
UP 5055 MP 5055 Dec 1984 847008-56 15 Feb 1990 UP 9844 20 May 2002    
UP 5056 MP 5056 Dec 1984 847008-57 23 May 1990 WP 5056 9 Oct 2002 29 Nov 2001  
UP 5057 MP 5057 Dec 1984 847008-58 10 Mar 1989     21 Dec 2001  
UP 5058 MP 5058 Dec 1984 847008-59 30 Apr 1990     12 Oct 2000  
UP 5059 MP 5059 Dec 1984 847008-60 16 Dec 1988     25 Feb 2000 4

General Notes:

a. Total of 60 units; purchased by MP in late 1984, after the December 1982 merger with UP; delivered new as MP units with yellow and gray paint and Missouri Pacific lettering as the first new units of the merged UP and MP.
b. All 60 former MP SD50s were relettered from MP to UP by September 1990; the first, UP 5029, was completed on 12 December 1988; the last was 5052, completed on 17 September 1990.
c. In March 1990, UP 5000 was equipped with a test application of the Westinghouse (WABCO) Epic 3131 Electronic Braking components, testing the components that were planned to be incorporated in the electronic control units from both EMD and GE; many design features tested on UP 5000 have been incorporated in an EMD SD60M electronic control test unit, UP 6268, and a GE C40-8 electronic control test unit, UP 9480; after a six-month test, all 60 units in the 5000-5059 were equipped with Westinghouse E3101 electronic braking systems.
d. Beginning in mid-1994, former MP SD50s were rebuilt to what UP calls SD50Ms, reducing their horsepower from 3600 to 3500 and improving their cooling system, including installation of eight-blade cooling fans; the first unit to be converted was 5016, completed on 6 June 1994.
e. Equipped with cab signals and Automatic Cab Signal equipment for operation along Union Pacific's lines in Nebraska, Wyoming, and along the Columbia River.
f. Assigned UP 9880-9939 in December 1999; assigned back to UP 5000-5059 in January 2000 (UP 5001 renumbered to UP 9881); most units retired in June 2000 to December 2001, remaining 10 units assigned UP 9835-9844 in May 2002 to clear the 5000 series for use by new SD70Ms.

Notes:

1. UP 5001 was renumbered to UP 9881 on 11 December 1999 as part of the interim UP 9880-9939 group; assigned back to UP 5001, not renumbered prior to retirement of entire group.
2. UP 5009 was retired on 20 June 2000, and reinstated on 7 July 2000.
3. UP 5027 was wrecked on 25 October 1997 at West Junction (Houston), Texas; scrapped at wreck site.
4. UP 5059 was wrecked on 18 November 1999 at Carnes, Iowa; moved to Council Bluffs, Iowa, then to North Little Rock, Arkansas, on 13 February 2000.
   

EMD SD50 -- 35 units
3500 horsepower; C-C trucks; 390,000 pounds operating weight

Road
Number
First
Number
Builder
Date
Builder
Number
Date To
UP Number
Date
Retired
UP 5060 C&NW 7000 Nov 1985 847049-1 12 Sep 1995 20 Apr 2001
UP 5061 C&NW 7001 Nov 1985 847049-2 1 May 1997 20 Apr 2001
UP 5062 C&NW 7002 Nov 1985 847049-3 15 Feb 1996 20 Apr 2001
UP 5063 C&NW 7003 Nov 1985 847049-4 17 Aug 1995 20 Apr 2001
UP 5064 C&NW 7004 Nov 1985 847049-5 24 Feb 1998 20 Apr 2001
(UP 5065) C&NW 7005 Dec 1985 847049-6   20 Apr 2001
UP 5066 C&NW 7006 Nov 1985 847049-7 21 Oct 1998 20 Apr 2001
UP 5067 C&NW 7007 Nov 1985 847049-8 14 Mar 1998 20 Apr 2001
UP 5068 C&NW 7008 Nov 1985 847049-9 15 Aug 1995 20 Apr 2001
(UP 5069) C&NW 7009 Nov 1985 847049-10   20 Apr 2001
UP 5070 C&NW 7010 Nov 1985 847049-11 22 Aug 1997 20 Apr 2001
UP 5071 C&NW 7011 Nov 1985 847049-12 20 Sep 1995 20 Apr 2001
UP 5072 C&NW 7012 Dec 1985 847049-13 3 Jan 1996 20 Apr 2001
UP 5073 C&NW 7013 Nov 1985 847049-14 12 Dec 1995 20 Apr 2001
UP 5074 C&NW 7014 Dec 1985 847049-15 26 Jul 1995 20 Apr 2001
UP 5075 C&NW 7015 Dec 1985 847049-16 23 Nov 1996 20 Apr 2001
UP 5076 C&NW 7016 Dec 1985 847049-17 9 Sep 1997 20 Apr 2001
UP 5077 C&NW 7017 Dec 1985 847049-18 16 Feb 1996 20 Apr 2001
UP 5078 C&NW 7018 Dec 1985 847049-19 16 Jan 1996 20 Apr 2001
UP 5079 C&NW 7019 Dec 1985 847049-20 27 Feb 1996 20 Apr 2001
UP 5080 C&NW 7020 Dec 1985 847049-21 11 Nov 1996 20 Apr 2001
UP 5081 C&NW 7021 Dec 1985 847049-22 25 Apr 1996 20 Apr 2001
UP 5082 C&NW 7022 Dec 1985 847049-23 24 May 1996 20 Apr 2001
UP 5083 C&NW 7023 Dec 1985 847049-24 15 Aug 1995 20 Apr 2001
UP 5084 C&NW 7024 Dec 1985 847049-25 31 Oct 1996 20 Apr 2001
UP 5085 C&NW 7025 Dec 1985 847049-26 14 Nov 1996 20 Apr 2001
UP 5086 C&NW 7026 Dec 1985 847049-27 17 Jul 1995 20 Apr 2001
UP 5087 C&NW 7027 Dec 1985 847049-28 2 Aug 1999 20 Apr 2001
UP 5088 C&NW 7028 Dec 1985 847049-29 8 Jul 1997 20 Apr 2001
UP 5089 C&NW 7029 Dec 1985 847049-30 16 Mar 1998 20 Apr 2001
UP 5090 C&NW 7030 Dec 1985 847049-31 9 May 1997 20 Apr 2001
UP 5091 C&NW 7031 Dec 1985 847049-32 25 Nov 1997 20 Apr 2001
UP 5092 C&NW 7032 Dec 1985 847049-33 23 Aug 1995 20 Apr 2001
UP 5093 C&NW 7033 Dec 1985 847049-34 25 Mar 1999 20 Apr 2001
UP 5094 C&NW 7034 Dec 1985 847049-35 17 Feb 1997 20 Apr 2001

General Notes:

a. Total of 35 C&NW units went to UP at merger.
b. Equipped with Automatic Train Control (ATC) for operation along former C&NW lines.
c. Equipped while C&NW units with cab signals and Automatic Cab Signal equipment for operation along Union Pacific's lines in Nebraska, Wyoming, and along the Columbia River.
d. Equipped with Pacesetter speed control, for slow-speed loading of unit coal trains.
e. Upon becoming UP units, all former C&NW SD50s were also rebuilt to what UP calls SD50Ms, reducing their horsepower from 3600 to 3500 and improving their cooling system, including installation of eight-blade cooling fans.
f. Assigned UP 9940-9974 in December 1999; assigned back to UP 5060-5094 in January 2000.
g. All 35 units retired on 20 April 2001 upon expiration of lease; stored until returned to owner/lessor; all UP units (except C&NW 7005, 7009) were renumbered in October 2002 to the temporary WP reporting mark to clear the 5000 series for use by new SD70Ms (delivered beginning in August 2002).
   

EMD SD50 -- 17 units
3500 horsepower; C-C trucks; 388,000 pounds operating weight

Road
Number
First
Number
Second
Number
Builder
Date
Builder
Number
Date To
5095 Series
9845 Series
Number
Date To
9845 Series
UP 5095 D&RGW 5501   Aug 1984 847022-1 5 Sep 2001 UP 9845 5 Aug 2002
UP 5096 D&RGW 5502   Aug 1984 847022-2 27 Jul 2001 UP 9846 11 Jun 2002
(UP 5097) D&RGW 5503   Sep 1984 847022-3   UP 9849 15 Apr 2005
UP 5098 D&RGW 5504 SP 5504 Sep 1984 847022-4 23 Jun 2001 UP 9847 21 Jun 2002
UP 5099 D&RGW 5505   Sep 1984 847022-5 18 Nov 2000 UP 9848 28 May 2002
UP 5100 D&RGW 5506   Sep 1984 847022-6 4 Sep 2001 UP 9850 26 Sep 2002
(UP 5101) D&RGW 5507   Sep 1984 847022-7   UP 9851 30 Aug 2005
UP 5102 D&RGW 5508   Sep 1984 847022-8 2 Aug 2001 UP 9852 30 Aug 2002
UP 5103 D&RGW 5509   Sep 1984 847022-9 29 Dec 2000 UP 9853 31 Jul 2002
UP 5104 D&RGW 5510 SP 5510 Sep 1984 847022-10 30 Apr 1998 UP 9854 24 Jul 2002
UP 5105 D&RGW 5511 SP 5511 Sep 1984 847022-11 11 Dec 2001 UP 9855 15 Aug 2002
UP 5106 D&RGW 5512   Sep 1984 847022-12 18 Feb 1998 UP 9856 26 Jul 2002
UP 5107 D&RGW 5513 SP 5513 Sep 1984 847022-13 11 Oct 2001 UP 9857 25 Jul 2002
UP 5108 D&RGW 5514 SP 5514 Sep 1984 847022-14 13 Aug 2001 UP 9858 20 Sep 2002
UP 5109 D&RGW 5515   Sep 1984 847022-15 3 Oct 2001 UP 9859 18 Sep 2002
UP 5110 D&RGW 5516 SP 5516 Sep 1984 847022-16 14 Nov 1997 UP 9860 8 Aug 2002
UP 5111 D&RGW 5517 SP 5517 Sep 1984 847022-17 5 Oct 2001 UP 9861 18 Sep 2002

General Notes:

a. Total of 17 units went to UP at merger; seven units (D&RGW 5504, 5510, 5511, 5513, 5514, 5516, 5517) were repainted to SP in late 1994 and early 1995, with D&RGW sublettering on the cab, and were among a total of 26 D&RGW units repainted to SP.
b. UP 5110 (ex D&RGW/SP 5516) was the first of this group to be repainted to Union Pacific, completed on 14 November 1997.
c. Assigned UP 9975-9991 in December 1999; assigned back to UP 5095-5111 in January 2000; assigned UP 9845-9861 in June 2002 to avoid conflict with additional new SD70Ms in the 5000 series numbers.

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