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Union Pacific Railroad

Roster of Diesel and Turbine Locomotives, 1934-2009

This page was last updated on September 22, 2013.

(Return to UP Diesel Roster Index Page)

Roster Listing

EMD SD90AC (SD90MAC-H) -- 22 units
6000 horsepower; C-C trucks; 425,000 pounds operating weight

Road
Number
Previous
Number
Builder
Number
Builder
Date
Date
Delivered
Date To
8500 Series
8910 Series
Number
Date To
8910 Series
Notes
UP 8500 UP 8160 956626-1   Aug 1996 11 Aug 1998     1
UP 8501 UP 8201 956626-2   Oct 1996 7 Jul 1998 UP 8911 23 Nov 2005 2
UP 8502 UP 8202 956649-1   Feb 1997 13 Jan 1998 UP 8912 4 Apr 2006  
UP 8503 UP 8203 956649-2   Apr 1997 17 Jan 1998 UP 8913 15 Nov 2005  
UP 8504 EMDX 8504 956649-3   May 1997 26 Sep 1998 UP 8914 19 Dec 2005 3
UP 8505 UP 8205 956649-4 May 1997 May 1997 16 Jan 1998 UP 8915 12 Dec 2005  
UP 8506   956649-5   Sep 1997   UP 8916 9 Dec 2005  
UP 8507   956649-6   Sep 1997   UP 8917 2 Dec 2005  
UP 8508   966715-1   Apr 1998   UP 8918 28 Oct 2005  
UP 8509   966715-2   Apr 1998   UP 8919 21 Nov 2005  
UP 8510   966715-3   Apr 1998   UP 8920 27 Jun 2006  
UP 8511   966715-4 Apr 1998 May 1998   UP 8921 18 Jan 2006  
UP 8512   966715-5 Mar 1999 Mar 1999   UP 8922 28 Oct 2005  
UP 8513   966715-6   Dec 1998   UP 8923 27 Jan 2006  
UP 8514   966715-7   Dec 1998   UP 8924 3 May 2005 4
UP 8515   966715-8   Jan 1999   UP 8925 9 Jun 2005  
UP 8516   966715-9   Jan 1999   UP 8926 1 Nov 2005  
UP 8517   966715-10   Jan 1999   UP 8927 21 Nov 2005  
UP 8518   966715-11   Jan 1999   UP 8928 27 Jan 2006  
UP 8519   966715-12 Apr 1999     UP 8929 21 Nov 2005  
UP 8520   966715-13 Jun 1999     UP 8930 23 Nov 2005  
UP 8521   966715-14   Jan 1999   UP 8931 11 Nov 2005  

General Notes:

a. UP 8500-8507 operated as pre-production units for EMD in 1996 to 1998.
b. UP 8508-8514 were assembled by Super Steel Schenectady, Schenectady, New York.
c. UP 8506 and 8508 were the first two units in this group to enter revenue service on UP; delivered to UP in June 1998 and assigned to soda ash service between Green River, Wyoming, and Chicago.
d. UP 8501-8513 and 8515-8521 were removed from service in late December 1998 and returned to EMD for design improvements; returned to service in July through December 1999; removed from service during early 2000 for additional design improvements; returned to service beginning in early July 2000.
e. UP 8501-8521 renumbered to UP 8911-8931 series; UP 8514 was the first, completed as UP 8924 on 3 May 2005.
f. All 22 units were equipped with Locotrol III for distributed power service, also known as DPU.
g. The UP model designation for these locomotives is SD90AC; EMD uses SD90MAC-H.

Notes:

1. UP 8500 was built as UP 8160 in August 1996, held at EMD as a test bed for SD90MAC-H (SD90AC) concept and design; renumbered to UP 8500 in August 1998; assigned as UP 8200 to avoid conflict with a newly built 4300 horsepower SD9043AC (the second UP 8160 was delivered to UP on 1 July 1997), but renumbered directly from UP 8160 to UP 8500; first delivered to UP on 17 October 1998; returned to EMD for design improvements in late 1998; held by EMD for engineering tests until delivered to UP on 27 December 2000; lease expired and returned to EMD on 1 December 2005 (along with UP 8522-8561); in national lease service as EMLX 8500.
2. UP 8501 was built as UP 8201 in October 1996 and delivered for functional testing to AAR's test track near Pueblo, Colorado; moved to VMV for upgrade during July 1998. Released from VMV on 10 October 1998.
3. UP 8504 operated from March 1997 through January 1998 as EMDX 8204, then as EMDX 8504 until September 1998, painted in a special paint scheme to commemorate EMD's 75th anniversary; moved to VMV for upgrade during May 1998; released from VMV in full UP yellow and gray on 26 September 1998.
4. UP 8514 was held by EMD for engineering tests until delivered to UP on 6 July 2000.
   

EMD SD90AC (SD90MAC II) -- 40 units
6000 horsepower; C-C trucks; 428,000 pounds operating weight

Road
Number
Builder
Number
Builder
Date
Delivery
Date
Date
Retired
UP 8522 976833-1 Apr 1999 19 Feb 2000 26 Jan 2006
UP 8523 976833-2 Apr 1999 19 Feb 2000 1 Dec 2005
UP 8524 976833-3 Jun 1999 25 Apr 2000 10 Mar 2006
UP 8525 976833-4 Jun 1999 8 Mar 2000 16 Feb 2006
UP 8526 976833-5   15 Jun 2000 9 Feb 2006
UP 8527 976833-6 Nov 1999 11 Apr 2000 20 Mar 2006
UP 8528 976833-7 Nov 1999 5 Jun 2000 1 Feb 2006
UP 8529 976833-8 Nov 1999 18 May 2000 24 Feb 2006
UP 8530 976833-9 Dec 1999 25 Apr 2000 17 Mar 2006
UP 8531 976833-10 Dec 1999 8 Mar 2000 31 Dec 2005
UP 8532 976833-11   9 May 2000 1 Dec 2005
UP 8533 976833-12 Nov 1999 26 May 2000 15 Mar 2006
UP 8534 976833-13   7 Jun 2000 7 Apr 2006
UP 8535 976833-14 Dec 1999 2 Jul 2000 6 Feb 2006
UP 8536 976833-15   4 Jul 2000 8 Dec 2005
UP 8537 976833-16 Nov 1999 4 Jul 2000 17 Feb 2006
UP 8538 976833-17 Jul 1999 8 Mar 2000 26 Jan 2006
UP 8539 976833-18   5 May 2000 3 Mar 2006
UP 8540 976833-19 Aug 1999 19 Feb 2000 1 Mar 2006
UP 8541 976833-20 Aug 1999 14 May 2000 4 Apr 2006
UP 8542 976833-21 Aug 1999 6 Apr 2000 23 Dec 2005
UP 8543 976833-22   4 May 2000 21 Mar 2006
UP 8544 976833-23   25 May 2000 18 Dec 2005
UP 8545 976833-24   4 May 2000 19 Jan 2006
UP 8546 976833-25   5 Jun 2000 26 Jan 2006
UP 8547 976833-26   13 Jun 2000 1 Dec 2005
UP 8548 976833-27 Sep 1999 17 Jun 2000 1 Dec 2005
UP 8549 976833-28   12 Jun 2000 24 Dec 2005
UP 8550 976833-29 Sep 1999 25 Jun 2000 27 Jan 2006
UP 8551 976833-30   15 Jun 2000 26 Jan 2006
UP 8552 976833-31   15 Jun 2000 6 Apr 2006
UP 8553 976833-32 Sep 1999 19 Jun 2000 1 Dec 2005
UP 8554 976833-33 Oct 1999 27 Jun 2000 23 Mar 2006
UP 8555 976833-34 Oct 1999 10 Jun 2000 7 Apr 2006
UP 8556 976833-35   30 Jun 2000 1 Dec 2005
UP 8557 976833-36 Oct 1999 3 Jul 2000 3 Mar 2006
UP 8558 976833-37 Oct 1999 4 Jul 2000 6 Feb 2006
UP 8559 976833-38   4 Jul 2000 10 Mar 2006
UP 8560 976833-39   22 Sep 2000 27 Mar 2006
UP 8561 976833-40   3 Jul 2000 8 Mar 2006

General Notes:

a. UP 8522-8561 (40 units) are fitted with an improved version of the North American Safety Cab, which includes a taller nose entry door (the new cab was first used on EMD demonstrators 90 and 91).
b. UP 8522-8538 (17 units) were assembled and painted at GM's plant in London, Ontario.
c. UP 8539-8561 (23 units) were assembled by Super Steel Schenectady, Schenectady, New York, and painted by Alstom at Hornell, N.Y.
d. Upon completion in June through October 1999, all 40 units were moved to VMV Enterprises, Paducah, Kentucky, pending design improvements; delivered to UP beginning in February 2000.
e. The UP model designation for these locomotives is SD90AC; EMD uses SD90MAC II.
f. The lease on all 40 units expired and all were returned to EMD during December 2005 to February 2006; in national lease service as EMLX 8522-8561.
   

EMD SD40T-2 -- 69 units
3000 horsepower; C-C trucks; 388,000 pounds operating weight

Road
Number
Previous
Number
Builder
Date
Builder
Number
Date To
8570 Series
New
Number
Date To
New Number
Date
Retired
Notes
(UP 8570) D&RGW 5342 Oct 1974 74636-2   UP 2882 3 Sep 2001    
UP 8571 UP 4001 Oct 1974 74636-3 14 Apr 2000 UP 9863 22 Jan 2007    
UP 8572 UP 4002 Oct 1974 74636-4 10 Mar 2000 UP 2883 21 Apr 2001    
(UP 8573) D&RGW 5347 Oct 1974 74636-7       28 Nov 2001  
UP 8574 UP 4004 Oct 1974 74636-11 17 Mar 2000 UP 2885 20 Dec 2002    
(UP 8575) D&RGW 5360 Jul 1975 756046-5       22 May 2001  
(UP 8576) D&RGW 5372 Aug 1975 756046-17       22 May 2001  
UP 8577 SP 5378 Jan 1977 766050-5 16 Apr 2002     27 Feb 2007 1
UP 8578 UP 4008 Jan 1977 766050-9 9 Mar 2000 UP 2900 27 Apr 2005    
(UP 8579) D&RGW 5386 Aug 1978 776098-1       28 Dec 2000  
(UP 8580) SP 5387 Aug 1978 776098-2       22 May 2001  
(UP 8581) SP 5388 Aug 1978 776098-3       22 Aug 2001  
UP 8582 D&RGW 5389 Aug 1978 776098-4 11 Aug 2001     31 Jan 2003  
UP 8583 D&RGW 5390 Aug 1978 776098-5 25 Oct 2005 UP 9867 25 May 2007    
(UP 8584) D&RGW 5391 Aug 1978 776098-6       28 Dec 2000 2
(UP 8585) D&RGW 5392 Aug 1978 776098-7       27 Feb 2001 3
UP 8586 SP 5393 Aug 1978 776098-8 29 Aug 2001 UP 9868 18 May 2007    
(UP 8587) SP 5394 Aug 1978 776098-9       28 Feb 2002  
UP 8588 UP 4018 Aug 1978 776098-10 10 Apr 2000 UP 9869 30 Jan 2007    
UP 8589 UP 4019 Aug 1978 776098-11 21 Mar 2000 UP 2901 24 May 2005    
UP 8590 SP 5397 Aug 1978 776098-12 15 Dec 2000     27 Apr 2001  
(UP 8591) D&RGW 5398 Mar 1980 786264-1       19 Dec 2000  
UP 8592 SP 5399 Mar 1980 786264-2 26 Jul 2001 UP 9870 10 May 2007    
UP 8593 D&RGW 5400 Mar 1980 786264-3 18 Apr 2001     28 Feb 2002  
UP 8594 D&RGW 5401 Mar 1980 786264-4 30 Jun 2005 UP 9871 1 Jun 2007    
UP 8595 D&RGW 5403 Mar 1980 786264-6 2 Dec 1999 UP 2933 22 Jan 2007    
(UP 8596) D&RGW 5404 Mar 1980 786264-7       27 Jun 2000  
(UP 8597) D&RGW 5405 Mar 1980 786264-8       7 Feb 2001  
(UP 8598) D&RGW 5406 Mar 1980 786264-9       29 Nov 2000  
UP 8599 D&RGW 5407 Mar 1980 786264-10 4 Sep 2001 UP 9872 22 Jan 2007    
(UP 8600) D&RGW 5409 Mar 1980 786264-12       22 Aug 2001  
UP 8601 D&RGW 5410 Mar 1980 786264-13 20 Aug 2001 UP 9873 27 Apr 2007    
UP 8602 UP 4032 Mar 1980 786264-14 15 Mar 2000 UP 2934 26 Sep 2003    
(UP 8603) SP 5412 Mar 1980 786264-15       28 Nov 2001  
(UP 8604) D&RGW 5413 Mar 1980 786264-16       19 Dec 2001 4
UP 8605 UP 4035 Oct 1974 74636-1 6 Apr 2000 UP 2881 27 Feb 2007    
(UP 8606) D&RGW 5345 Oct 1974 74636-5       15 Nov 2001  
UP 8607 UP 4037 Oct 1974 74636-6 12 Apr 2000 UP 2884 8 Jan 2007    
UP 8608 D&RGW 5349 Oct 1974 74636-9 8 Dec 2004 UP 9864 26 Feb 2007    
UP 8609 SP 5350 Oct 1974 74636-10 14 Nov 2000     27 Jun 2003  
UP 8610 SP 5352 Oct 1974 74636-12 5 Oct 2001     26 Dec 2001  
(UP 8611) D&RGW 5353 Oct 1974 74636-13       29 Aug 2001  
UP 8612 D&RGW 5354 Oct 1974 74636-14 10 Dec 2004 UP 9865 28 Feb 2007    
UP 8613 UP 4043 Oct 1974 74636-15 12 Apr 2000 UP 2886 15 Jun 2007    
UP 8614 D&RGW 5356 Jul 1975 756046-1 10 Jan 2003     3 Oct 2003 5
UP 8615 D&RGW 5357 Jul 1975 756046-2 28 Dec 1999 UP 2888 17 Jan 2003    
UP 8616 UP 4046 Jul 1975 756046-3 22 Mar 2000 UP 2889 13 Mar 2007    
UP 8617 UP 4047 Jul 1975 756046-4 20 Mar 2000 UP 2890 22 Jan 2007    
(UP 8618) D&RGW 5361 Jul 1975 756046-6       28 Nov 2001  
UP 8619 UP 4049 Jul 1975 756046-7 16 Apr 2000 UP 2891 9 Jan 2007    
UP 8620 D&RGW 5363 Jul 1975 756046-8 2 Dec 1999 UP 2892 19 Jan 2007    
UP 8621 UP 4051 Jul 1975 756046-9 28 Mar 2000 UP 2893 28 Dec 2001    
UP 8622 D&RGW 5365 Jul 1975 756046-10 7 May 2002     24 Jan 2008  
UP 8623 UP 4053 Jul 1975 756046-11 4 May 2000 UP 2894 21 Jan 2003    
UP 8624 UP 4054 Jul 1975 756046-12 27 Jun 2000 UP 2653 19 Feb 2008    
UP 8625 SP 5368 Jul 1975 756046-13 10 Sep 2005     24 Jan 2008  
UP 8626 UP 4056 Aug 1975 756046-14 18 May 2000 UP 2697 14 May 2008    
(UP 8627) D&RGW 5371 Aug 1975 756046-16       5 Dec 2008 6
UP 8628 D&RGW 5373 Aug 1975 756046-18 27 Jun 2001     29 Aug 2001  
UP 8629 UP 4059 Jan 1977 766050-1 19 Apr 2000 UP 2897 25 Jan 2002    
UP 8630 D&RGW 5375 Jan 1977 766050-2 24 Jan 2002     13 Oct 2003 7
UP 8631 D&RGW 5376 Jan 1977 766050-3 31 Oct 2001     13 Oct 2003 7
UP 8632 D&RGW 5377 Jan 1977 766050-4 2 Sep 2003     13 Oct 2003 7
UP 8633 UP 4063 Jan 1977 766050-6 27 May 2000     13 Oct 2003 7
UP 8634 UP 4064 Jan 1977 766050-7 9 May 2000     13 Oct 2003 7
UP 8635 UP 4065 Jan 1977 766050-8 31 Mar 2000     13 Oct 2003 7
UP 8636 UP 4066 Jan 1977 766050-10 26 Apr 2000     13 Oct 2003 7
UP 8637 D&RGW 5384 Jan 1977 766050-11 13 May 2002     13 Oct 2003 7
UP 8638 D&RGW 5385 Jan 1977 766050-12 8 Dec 2001     13 Oct 2003 7

General Notes:

a. Original total of 73 D&RGW units; 69 units went to UP at merger; SP retired four units (D&RGW 5348, 5370, 5402, and 5408) prior to the merger.
b. Of the 69 units to UP at merger, sixteen units (D&RGW 5350, 5351, 5352, 5362, 5364, 5366, 5368, 5378, 5380, 5387, 5388, 5393, 5394, 5397, 5399, and 5412) had been repainted to SP; ownership of 13 units (excluding D&RGW 5362, 5364, and 5366) was transferred to SP at the same time.
c. UP 8595 (ex UP 4025, ex D&RGW 5403) was the first unit in this group to be renumbered, completed on 2 December 1999; initially repainted to UP 4025, but changed to UP 8595 on the same day before release from shop.
d. UP 8634 (ex UP 4064), as SP 5380, was wrecked (grade crossing accident) on 9 June 1999 near Hope, Minnesota; cab torn from frame; repaired by Mid America Car, Kansas City, Missouri; renumbered to UP 4064 at time of repairs.
e. Assigned UP 4000-4068 in September 1997, 22 units renumbered after being refurbished by UP in March 1997 through May 2000; all 69 units assigned UP 8570-8638 in December 1999, to clear the 4000 series for use by new SD70Ms (22 refurbished units assigned numbers in UP 2866-2949 group in December 1999, along with 62 refurbished former SP and SSW SD40T-2s; UP calls these refurbished units SD40-2TRs.)
f. In January 2007, a total of 20 units remained in this 8570-8638 number series. With the planned arrival of additional new SD70ACe units to be numbered as UP 8521-8620, these 20 SD40T-2 units needed to be renumbered, either to their planned 2866-2949 series (a total of eight units), or to the new UP 9863-9873 (a total of 12 units). The first two units to be renumbered were UP 8571 and 8599, to UP 9863 and 9872 respectively, both in January 2007.
g. Individual unit histories:
  Road
Number
First
Number
Second
Number
Third
Number
Date To
4000 Series
  (UP 8570) D&RGW 5342      
  UP 8571 D&RGW 5343 UP 4001   23 Nov 1998
  UP 8572 D&RGW 5344 UP 4002   11 Oct 1999
  (UP 8573) D&RGW 5347      
  UP 8574 D&RGW 5351 SP 5351 UP 4004 29 Mar 1999
  (UP 8575) D&RGW 5360      
  (UP 8576) D&RGW 5372      
  UP 8577 D&RGW 5378 SP 5378    
  UP 8578 D&RGW 5382 UP 4008   30 Sep 1999
  (UP 8579) D&RGW 5386      
  (UP 8580) D&RGW 5387 SP 5387    
  (UP 8581) D&RGW 5388 SP 5388    
  UP 8582 D&RGW 5389      
  UP 8583 D&RGW 5390      
  (UP 8584) D&RGW 5391      
  (UP 8585) D&RGW 5392      
  UP 8586 D&RGW 5393 SP 5393    
  (UP 8587) D&RGW 5394 SP 5394    
  UP 8588 D&RGW 5395 UP 4018   26 Mar 1999
  UP 8589 D&RGW 5396 UP 4019   20 Jan 1999
  UP 8590 D&RGW 5397 SP 5397    
  (UP 8591) D&RGW 5398      
  UP 8592 D&RGW 5399 SP 5399    
  UP 8593 D&RGW 5400      
  UP 8594 D&RGW 5401      
  UP 8595 D&RGW 5403      
  (UP 8596) D&RGW 5404      
  (UP 8597) D&RGW 5405      
  (UP 8598) D&RGW 5406      
  UP 8599 D&RGW 5407      
  (UP 8600) D&RGW 5409      
  UP 8601 D&RGW 5410      
  UP 8602 D&RGW 5411 UP 4032   16 Oct 1999
  (UP 8603) D&RGW 5412 SP 5412    
  (UP 8604) D&RGW 5413      
  UP 8605 D&RGW 5341 UP 4035   20 Jul 1999
  (UP 8606) D&RGW 5345      
  UP 8607 D&RGW 5346 UP 4037   15 Nov 1999
  UP 8608 D&RGW 5349      
  UP 8609 D&RGW 5350 SP 5350    
  UP 8610 D&RGW 5352 SP 5352    
  (UP 8611) D&RGW 5353      
  UP 8612 D&RGW 5354      
  UP 8613 D&RGW 5355 UP 4043   8 Oct 1999
  UP 8614 D&RGW 5356      
  UP 8615 D&RGW 5357      
  UP 8616 D&RGW 5358 UP 4046   23 Apr 1999
  UP 8617 D&RGW 5359 UP 4047   22 Apr 1999
  (UP 8618) D&RGW 5361      
  UP 8619 D&RGW 5362 SP 5362 UP 4049 19 Mar 1999
  UP 8620 D&RGW 5363      
  UP 8621 D&RGW 5364 SP 5364 UP 4051 22 Sep 1999
  UP 8622 D&RGW 5365      
  UP 8623 D&RGW 5366 SP 5366 UP 4053 12 Jun 1997
  UP 8624 D&RGW 5367 UP 4054   17 Nov 1999
  UP 8625 D&RGW 5368 SP 5368    
  UP 8626 D&RGW 5369 UP 4056   13 May 1999
  (UP 8627) D&RGW 5371      
  UP 8628 D&RGW 5373      
  UP 8629 D&RGW 5374 UP 4059   18 Aug 1999
  UP 8630 D&RGW 5375      
  UP 8631 D&RGW 5376      
  UP 8632 D&RGW 5377      
  UP 8633 D&RGW 5379 UP 4063   27 Apr 1999
  UP 8634 D&RGW 5380 SP 5380 UP 4064 6 Aug 1999
  UP 8635 D&RGW 5381 UP 4065   17 Mar 1998
  UP 8636 D&RGW 5383 UP 4066   30 Sep 1997
  UP 8637 D&RGW 5384      
  UP 8638 D&RGW 5385      

Notes:

1. UP 8577 was renumbered to WP 8577 on 27 February 2007; WP 8577 was retired on 7 March 2007. (WP series numbers are temporary numbers assigned to retired units to clear the number from UP's computer.)
2. D&RGW 5391 (assigned UP 8584) was retired by UP on 28 December 2000; sold in April 2002 to Larry's Truck Electric (LTE), MacDonald, Ohio; resold in October 2002 to Wheeling & Lake Erie 5391. (W&LE update from Dave Abeles) (photo)
3. D&RGW 5392 (assigned UP 8585) was stored at Salt Lake City for several years prior to being retired in February 2001; sold to NRE in early 2004; reconditioned and sold to Missouri & Northern Arkansas Railroad (MNA) 4076, moved to MNA during August 2005. (2005 update from Trainorders.com)
4. D&RGW 5413 (assigned UP 8604) was retired by UP on 13 December 2001; sold in April 2002 to Larry's Truck Electric (LTE), MacDonald, Ohio; resold in October 2002 to Wheeling & Lake Erie 5413. (W&LE update from Dave Abeles) (photo)
5. UP 8614 was retired and renumbered to UP 7877 on 13 October 2003 at Progress Rail for Peak Power fleet service.
6. D&RGW 5371 (assigned UP 8627) was the last remaining former D&RGW unit still in full D&RGW black and gold paint; retired by UP on December 5, 2008; stored at Cheyenne, Wyoming, as part of UP's Heritage Fleet pending possible preservation; donated to Ogden Union Station, Ogden, Utah; arrived at Ogden on August 17, 2009.
7. UP 8630-8638 were retired on 13 October 2003 due to expiration of lease from GE Capital (GECX) and were renumbered as follows:.
  Road
Number
GECX
Number
Date To
GECX Number
  UP 8630 GECX 8630 3 Feb 2004
  UP 8631 GECX 8631 27 Jan 2004
  UP 8632 GECX 8632 27 Jan 2004
  UP 8633 GECX 8633 28 Jan 2004
  UP 8634 GECX 8634 30 Jan 2004
  UP 8635 GECX 8635 4 Feb 2004
  UP 8636 GECX 8636 27 Jan 2004
  UP 8637 GECX 8637 8 Feb 2004
  UP 8638 GECX 8638 28 Jan 2004

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