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Union Pacific Railroad

Roster of Diesel and Turbine Locomotives, 1934-2009

This page was last updated on October 26, 2015.

(Return to UP Diesel Roster Index Page)

Roster Listing

EMD SD40-2 -- 10 units
3000 horsepower; C-C trucks; 392,000 pounds operating weight

Road
Number
First
Number
Builder
Date
Builder
Number
Date To
3400 Series
Date
Retired
Notes
UP 3400 UP 8065 May 1977 776013-1 Oct 1981 5 Dec 2008  
UP 3401 UP 8066 May 1977 776013-2 Apr 1981    
UP 3402 UP 8067 May 1977 776013-3 Oct 1981 18 Jan 2001 1
UP 3403 UP 8068 May 1977 776013-4 Sep 1981 23 May 2001  
UP 3404 UP 8069 May 1977 776013-5 Oct 1981    
UP 3405 UP 8070 May 1977 776013-6 Aug 1981    
UP 3406 UP 8071 May 1977 776013-7 Nov 1981    
UP 3407 UP 8072 May 1977 776013-8 Nov 1981 14 May 2009  
UP 3408 UP 8073 May 1977 776013-9 Aug 1981 5 Dec 2008  
UP 3409 UP 8074 May 1977 776013-10 Apr 1981    

General Notes:

a. Built as high-speed, 80 mph SD40-2Ms 8065-8074; high-speed modification removed and units renumbered to UP 3400-3409 in April through November 1981.
b. Fitted with Phase II 116-inch nose and corrugated-style radiator screens.

Notes:

1. UP 3402 was sold to Helm Financial in (?), and as of 2004, was in national lease service as HLCX 6235. (Extra 2200 South, Issue 126, page 13)
   

EMD SD40-2 -- 79 units
3000 horsepower; C-C trucks; 392,000 pounds operating weight

Road
Number
Builder
Date
Builder
Number
Date
Retired
Notes
UP 3410 Mar 1978 776088-1 23 May 2001  
UP 3411 Mar 1978 776088-2    
UP 3412 Mar 1978 776088-3 28 Feb 2002  
UP 3413 Mar 1978 776088-4    
UP 3414 Mar 1978 776088-5 31 Oct 2002 1
UP 3415 Mar 1978 776088-6 26 Dec 2001  
UP 3416 Mar 1978 776088-7    
UP 3417 Mar 1978 776088-8 (14 Nov 2003) 2
UP 3418 Mar 1978 776088-9    
UP 3419 Mar 1978 776088-10    
UP 3420 Mar 1978 776088-11    
UP 3421 Mar 1978 776088-12    
UP 3422 Mar 1978 776088-13    
UP 3423 Mar 1978 776088-14 31 Oct 2000  
UP 3424 Mar 1978 776088-15 5 Dec 2008  
UP 3425 Mar 1978 776088-16    
UP 3426 Mar 1978 776088-17 11 Mar 2009  
UP 3427 Mar 1978 776088-18    
UP 3428 Mar 1978 776088-19    
UP 3429 Apr 1978 776088-20 5 Dec 2008  
UP 3430 Apr 1978 776088-21    
UP B3431 Apr 1978 776088-22 31 Oct 2000 3
UP 3432 Apr 1978 776088-23    
UP 3433 Apr 1978 776088-24    
UP 3434 Apr 1978 776088-25 28 Nov 2001 4
UP 3435 Apr 1978 776088-26 30 Nov 2003  
UP 3436 Apr 1978 776088-27    
UP 3437 Apr 1978 776088-28 12 Apr 2002  
UP 3438 Apr 1978 776088-29 31 Jul 2001  
UP 3439 Apr 1978 776088-30 12 Apr 2002  
UP 3440 Apr 1978 776088-31 27 Sep 2001  
UP 3441 Apr 1978 776088-32 17 Jan 2001  
UP 3442 Apr 1978 776088-33 28 Dec 2000  
UP 3443 Apr 1978 776088-34 28 Nov 2001  
UP 3444 Apr 1978 776088-35    
UP 3445 Apr 1978 776088-36    
UP 3446 Apr 1978 776088-37 23 May 2001  
UP 3447 Apr 1978 776088-38    
UP 3448 Jan 1978 776088-39 12 Apr 2002  
UP 3449 Apr 1978 776088-40    
UP 3450 Apr 1978 776088-41    
UP 3451 Apr 1978 776088-42    
UP 3452 Apr 1978 776088-43    
UP 3453 Apr 1978 776088-44    
UP 3454 Apr 1978 776088-45    
UP B3455 Apr 1978 776088-46 28 Dec 2000 3, 5
UP 3456 Apr 1978 776088-47    
UP 3457 Apr 1978 776088-48    
UP 3458 Apr 1978 776088-49 5 Dec 2008  
UP 3459 Apr 1978 776088-50   6
UP 3460 Apr 1978 776088-51    
UP 3461 Apr 1978 776088-52 5 Dec 2008  
UP 3462 Apr 1978 776088-53    
UP 3463 Apr 1978 776088-54    
UP 3464 Apr 1978 776088-55    
UP 3465 Apr 1978 776088-56    
UP 3466 Apr 1978 776088-57    
UP 3467 Apr 1978 776088-58    
UP 3468 Apr 1978 776088-59 12 Apr 2002  
UP 3469 Apr 1978 776088-60    
UP 3470 Apr 1978 776088-61    
UP 3471 Apr 1978 776088-62    
UP 3472 Apr 1978 776088-63    
UP 3473 Apr 1978 776088-64    
UP 3474 May 1978 776088-65 19 Dec 2002 7
UP 3475 May 1978 776088-66    
UP 3476 May 1978 776088-67 21 Nov 2000  
UP 3477 May 1978 776088-68    
UP 3478 May 1978 776088-69 31 Oct 2002  
UP 3479 May 1978 776088-70    
UP 3480 May 1978 776088-71 5 Dec 2008  
UP 3481 May 1978 776088-72    
UP 3482 May 1978 776088-73 4 Mar 1988 8
UP 3483 May 1978 776088-74    
UP 3484 May 1978 776088-75    
UP 3485 May 1978 776088-76 28 Dec 2000  
UP 3486 May 1978 776088-77 (20 Nov 2002) 9
UP 3487 May 1978 776088-78 30 Nov 2002 10
UP 3488 Jun 1978 776088-79    

General Notes:

a. UP 3410-3414 (along with UP 3396-3399, a total of nine units) were equipped during February 1978 for leading-position on pool trains with Canadian Pacific through Eastport, Idaho; the modifications (completed at Salt Lake City, Utah) included installation of Canadian-style ditch lights.
b. Initial per unit cost for UP 3410-3438, according to Equipment Trust No. 1 of 1978, dated September 1, 1977, was $609,425, with a total cost of $17,673,325 for all 29 units.
c. Initial per unit cost for UP 3439-3488, according to Equipment Trust No. 2 of 1978, dated October 1, 1977, was $609,425, with a total cost of $30,471,250 for all 50 units.
d. Fitted with Phase II 116-inch nose and corrugated-style radiator screens.

Notes:

1. UP 3414 was retired and renumbered to UP 7886 (Peak Power) on 7 November 2003.
2. UP 3417 was retired and renumbered to UP 7899 (Peak Power) on 14 November 2003; renumbered back to UP 3417 on 15 September 2006.
3. UP 3431 and 3455 were changed to trailing-unit-only status by removal of cab signals, refrigerators, toilets, and cab seats, and renumbered with a "B" number on the following dates:
  Road
Number
Date To
"B" Number
  UP B3431 10 Feb 1992
  UP B3455 25 Mar 1992
4. UP 3434 was retired and renumbered to UP 7888 (Peak Power) on 31 October 2003.
5. UP B3455 was renumbered to UP 7887 (Peak Power) on 14 November 2003.
6. UP 3459 is one of two UP units that carry the Operation Lifesaver slogan; the other unit is UP 6736 (ex C&NW 8834).
7. UP 3474 was purchased by Larrys Truck Electric; scrapped in April 2005.
8. UP 3482 was wrecked on 21 September 1987 at North Platte, Nebraska; sold for scrap to Aaron Ferer and Sons, Omaha, Nebraska, on 7 March 1988.
9. UP 3486 was rebuilt to SD38-2 by UP for yard switch service and renumbered to UPY 860 on 20 November 2002.
10. UP 3487 was sold to Helm Financial in (?), and as of 2004, was in national lease service as HLCX 6237.
   

EMD SD40-2 -- 85 units
3000 horsepower; C-C trucks; 392,000 pounds operating weight

Road
Number
Builder
Date
Builder
Number
Date
Retired
Notes
UP 3489 Dec 1978 786163-1    
UP 3490 Dec 1978 786163-2 17 Feb 2009  
UP 3491 Dec 1978 786163-3    
UP 3492 Dec 1978 786163-4    
UP 3493 Dec 1978 786163-5    
UP 3494 Dec 1978 786163-6    
UP 3495 Dec 1978 786163-7    
UP 3496 Dec 1978 786163-8    
UP 3497 Dec 1978 786163-9    
UP 3498 Dec 1978 786163-10 24 Jan 2008  
UP 3499 Jan 1979 786170-1    
UP 3500 Jan 1979 786170-2 19 Dec 2001 1
UP 3501 Jan 1979 786170-3 16 JJul 2007  
UP 3502 Jan 1979 786170-4 12 Aug 1991 2
UP 3503 Jan 1979 786170-5 19 Jun 2001  
UP 3504 Jan 1979 786170-6 12 Oct 2000  
UP 3505 Jan 1979 786170-7 28 Nov 2001  
UP 3506 Jan 1979 786170-8    
UP 3507 Jan 1979 786170-9    
UP 3508 Jan 1979 786170-10    
UP 3509 Jan 1979 786170-11 30 Nov 1999 3
UP 3510 Jan 1979 786170-12    
UP 3511 Jan 1979 786170-13    
UP 3512 Jan 1979 786170-14    
UP 3513 Jan 1979 786170-15    
UP 3514 Jan 1979 786170-16    
UP 3515 Jan 1979 786170-17    
UP 3516 Jan 1979 786170-18    
UP 3517 Jan 1979 786170-19 25 Jul 2000  
UP 3518 Jan 1979 786170-20 31 Aug 2000  
UP 3519 Jan 1979 786170-21    
UP 3520 Jan 1979 786170-22    
UP 3521 Jan 1979 786170-23    
UP 3522 Feb 1979 786170-24 23 May 2001  
UP 3523 Feb 1979 786170-25 19 Dec 2002 1
UP 3524 Feb 1979 786170-26    
UP 3525 Feb 1979 786170-27 14 May 2009  
UP 3526 Feb 1979 786170-28 10 Aug 2000  
UP 3527 Feb 1979 786170-29    
UP 3528 Feb 1979 786170-30 19 Dec 2000  
UP 3529 Feb 1979 786170-31 29 Aug 2001  
UP 3530 Feb 1979 786170-32    
UP 3531 Feb 1979 786170-33    
UP 3532 Feb 1979 786170-34    
UP 3533 Feb 1979 786170-35    
UP B3534 Feb 1979 786170-36 31 Jul 2001  
UP 3535 Feb 1979 786170-37 10 Aug 2000  
UP 3536 Feb 1979 786170-38    
UP 3537 Feb 1979 786170-39 14 May 2009  
UP 3538 Feb 1979 786170-40    
UP 3539 Mar 1979 786170-41 23 May 2001  
UP 3540 Mar 1979 786170-42    
UP 3541 Mar 1979 786170-43    
UP 3542 Mar 1979 786170-44    
UP 3543 Mar 1979 786170-45 5 Dec 2008  
UP 3544 Mar 1979 786170-46    
UP 3545 Mar 1979 786170-47 31 Aug 2000  
UP 3546 Mar 1979 786170-48 21 Nov 2003 4
UP 3547 Mar 1979 786170-49 28 Sep 2001  
UP 3548 Mar 1979 786170-50    
UP 3549 Mar 1979 786170-51 17 Feb 2009  
UP B3550 Mar 1979 786170-52 24 May 2001  
UP 3551 Mar 1979 786170-53 29 Aug 2001  
UP 3552 Mar 1979 786170-54    
UP 3553 Mar 1979 786170-55    
UP 3554 Mar 1979 786170-56 23 May 2001  
UP 3555 Mar 1979 786170-57    
UP B3556 Mar 1979 786170-58 30 Nov 2002  
UP 3557 Mar 1979 786170-59    
UP 3558 Mar 1979 786170-60 5 Dec 2008  
UP 3559 Mar 1979 786170-61    
UP 3560 Mar 1979 786170-62 12 Oct 2000  
UP 3561 Mar 1979 786170-63 21 Nov 2000  
UP 3562 Mar 1979 786170-64 23 May 2001  
UP 3563 Mar 1979 786170-65    
UP 3564 Mar 1979 786170-66    
UP 3565 Mar 1979 786170-67    
UP 3566 Mar 1979 786170-68    
UP 3567 Mar 1979 786170-69 29 Nov 2000  
UP 3568 Mar 1979 786170-70    
UP 3569 Mar 1979 786170-71 17 Jan 2001  
UP 3570 Mar 1979 786170-72 5 Dec 2008  
UP 3571 Mar 1979 786170-73    
UP 3572 Mar 1979 786170-74    
UP 3573 Mar 1979 786170-75 30 Nov 2002 1

General Note:

a. Fitted with 88-inch nose and corrugated radiator screens.
b. UP 3534, 3550, and 3556 were changed to trailing-unit-only status by removal of cab signals, refrigerators, toilets, and cab seats, and renumbered with a "B" number on the following dates:
  Road
Number
Date To
"B" Number
  UP B3534 18 Mar 1992
  UP B3550 16 Mar 1992
  UP B3556 2 Mar 1992

Notes:

1. UP 3500, 3523, 3573 sold to GECX; sold to BHP Billiton Iron Ore (BHPBIO) for service on BHP's iron ore railroad in Pilbara in Northwest Australia; shipped during October 2003; renumbered as follows:
  Road
Number
BHPBIO
Number
Date To
BHPBIO
  UP 3500 BHPBIO 3083 19 Dec 2003
  UP 3523 BHPBIO 3085 19 Dec 2003
  UP 3573 BHPBIO 3081 30 Nov 2003
2. UP 3502 was wrecked (fire damage) on 4 April 1991 at Maiden Rock, Mont.; sold to Azcon Hyman Michaels, Madison, Illinois, on 10 October 1991, scrapped.
3. UP 3509 was wrecked on 17 November 1999 at Carnes, Iowa; scrapped at wreck site.
4. UP 3546 was retired and renumbered to UP 7904 (Peak Power) on 21 November 2003.
   

EMD SD40-2 -- 35 units
3000 horsepower; C-C trucks; 392,000 pounds operating weight

Road
Number
First
Number
Builder
Date
Builder
Number
Date From
8000 Series
Date
Retired
Notes
UP 3574   Jul 1979 786218-1      
UP 3575   Jul 1979 786218-2   29 Nov 2000 1
UP 3576   Jul 1979 786218-3   14 Nov 2007  
UP 3577   Jul 1979 786218-4   31 Jul 2001  
UP 3578   Jul 1979 786218-5   28 Apr 2003  
UP 3579   Jul 1979 786218-6      
UP 3580   Jul 1979 786218-7   15 Jul 2002  
UP 3581   Jul 1979 786218-8   10 Oct 2003  
UP 3582   Jul 1979 786218-9      
UP 3583   Jul 1979 786218-10      
UP 3584 UP 8075 Jul 1979 786218-11 Nov 1980    
UP 3585 UP 8076 Jul 1979 786218-12 Oct 1981 7 Feb 2001  
UP 3586 UP 8077 Jul 1979 786218-13 Oct 1981    
UP 3587 UP 8078 Jul 1979 786218-14 Dec 1981 28 Sep 2001  
UP 3588 UP 8079 Jul 1979 786218-15 Nov 1981 10 Aug 2000  
UP 3589 UP 8080 Aug 1979 786218-16 Jul 1981 25 May 2004  
UP 3590 UP 8081 Aug 1979 786218-17 Aug 1981    
UP 3591 UP 8082 Aug 1979 786218-18 Aug 1981    
UP 3592 UP 8083 Aug 1979 786218-19 Nov 1981    
UP 3593 UP 8084 Aug 1979 786218-20 Oct 1981 31 Jan 2003 2
UP 3594 UP 8085 Aug 1979 786218-21 Aug 1981    
UP 3595 UP 8086 Aug 1979 786218-22 Sep 1981    
UP 3596 UP 8087 Aug 1979 786218-23 Nov 1981    
UP 3597 UP 8088 Aug 1979 786218-24 Dec 1980    
UP 3598 UP 8089 Aug 1979 786218-25 Sep 1981    
UP 3599 UP 8090 Aug 1979 786218-26 Aug 1981    
UP 3600 UP 8091 Aug 1979 786218-27 Nov 1981    
UP 3601 UP 8092 Aug 1979 786218-28 Aug 1981    
UP 3602 UP 8093 Aug 1979 786218-29 Aug 1981    
UP 3603 UP 8094 Aug 1979 786218-30 Nov 1981 31 Aug 2000  
UP 3604 UP 8095 Aug 1979 786218-31 Aug 1981 22 Nov 2000  
UP 3605 UP 8096 Aug 1979 786218-32 Oct 1981 23 May 2001  
UP 3606 UP 8097 Aug 1979 786218-33 Aug 1981 12 Oct 2000  
UP 3607 UP 8098 Aug 1979 786218-34 Sep 1981    
UP 3608 UP 8099 Aug 1979 786218-35 Oct 1981 30 Jan 2002  

General Notes:

a. UP 3584-3608 were built as high-speed, 80 mph SD40-2Ms 8075-8099; high-speed modifications removed and units renumbered to UP 3584-3608 in November 1980 through November 1981.
b. Fitted with 88-inch nose and corrugated radiator screens.

Notes:

1. UP 3575 operated in trailing-unit-only status (by removal of cab signals, refrigerator, toilet, and cab seats) as UP B3575 from 28 April 1992 until 5 May 1995.
2. On 27 February 1991, UP 3593 was painted with a U. S. Army-inspired camouflage paint scheme, named Desert Victory, to commemorate the 66 UP employees who participated in Operation Desert Storm; repainted back to standard UP yellow and gray on 11 October 1991.
   

EMD SD40-2 -- 196 units
3000 horsepower; C-C trucks; 392,000 pounds operating weight

Road
Number
Builder
Date
Builder
Number
Renumbered
To
Date
Renumbered
Date
Retired
Notes
UP 3609 Sep 1979 786263-1     17 Feb 2009  
UP 3610 Sep 1979 786263-2     10 Aug 2000  
UP 3611 Sep 1979 786263-3     28 Sep 2001  
UP 3612 Sep 1979 786263-4        
UP 3613 Sep 1979 786263-5 UP 7916 23 Jul 2004   1
UP 3614 Sep 1979 786263-6        
UP 3615 Sep 1979 786263-7     28 Jul 2004  
UP 3616 Sep 1979 786263-8     19 Aug 1997 2
UP 3617 Oct 1979 786263-9     7 Mar 1988 3
UP 3618 Oct 1979 786263-10     12 Oct 2000  
UP 3619 Oct 1979 786263-11        
UP 3620 Oct 1979 786263-12        
UP 3621 Oct 1979 786263-13     28 Feb 2002  
UP 3622 Oct 1979 786263-14 UP 7891 14 Nov 2003 22 Nov 2000 4
UP 3623 Nov 1979 786263-15     31 Jul 2001  
UP 3624 Nov 1979 786263-16     5 Dec 2008  
UP 3625 Nov 1979 786263-17       5
UP 3626 Nov 1979 786263-18     17 Feb 2009  
UP 3627 Nov 1979 786263-19        
UP 3628 Nov 1979 786263-20     11 Mar 2009  
UP 3629 Nov 1979 786263-21        
UP 3630 Nov 1979 786263-22     26 Dec 2001  
UP 3631 Nov 1979 786263-23        
UP 3632 Nov 1979 786263-24        
UP 3633 Nov 1979 786263-25     29 Aug 2001  
UP 3634 Nov 1979 786263-26     19 Dec 2000  
UP 3635 Nov 1979 786263-27     2 Apr 2008 6
UP 3636 Nov 1979 786263-28        
UP 3637 Nov 1979 786263-29        
UP 3638 Nov 1979 786263-30        
UP 3639 Nov 1979 786263-31     19 Dec 2002 7
UP B3640 Nov 1979 786263-32     24 May 2001  
UP 3641 Nov 1979 786263-33        
UP 3642 Nov 1979 786263-34        
UP 3643 Nov 1979 786263-35     28 Nov 2001  
UP 3644 Nov 1979 786263-36     19 Dec 2001  
UP 3645 Dec 1979 786263-37        
UP 3646 Dec 1979 786263-38        
UP 3647 Dec 1979 786263-39        
UP 3648 Dec 1979 786263-40 UP 7901 21 Nov 2003 21 Nov 2003 8
UP 3649 Dec 1979 786263-41 UP 7882 24 Oct 2003 19 Dec 2002 9
UP 3650 Dec 1979 786263-42     19 Apr 2001  
UP 3651 Dec 1979 786263-43     14 May 2009  
UP 3652 Dec 1979 786263-44        
UP 3653 Dec 1979 786263-45     30 Nov 2002  
UP 3654 Dec 1979 786263-46        
UP 3655 Dec 1979 786263-47     5 Dec 2008  
UP 3656 Dec 1979 786263-48        
UP 3657 Dec 1979 786263-49        
UP 3658 Dec 1979 786263-50        
UP 3659 Jan 1980 796297-1     19 Dec 2001  
UP 3660 Jan 1980 796297-2     31 Oct 2002  
UP 3661 Jan 1980 796297-3        
UP 3662 Jan 1980 796297-4        
UP 3663 Jan 1980 796297-5        
UP 3664 Jan 1980 796297-6     14 May 2009  
UP 3665 Jan 1980 796297-7     28 Sep 2001  
UP 3666 Jan 1980 796297-8        
UP 3667 Jan 1980 796297-9        
UP 3668 Jan 1980 796297-10        
UP 3669 Jan 1980 796297-11     12 Apr 2002  
UP 3670 Jan 1980 796297-12     28 Sep 2001  
UP 3671 Jan 1980 796297-13        
UP 3672 Jan 1980 796297-14        
UP 3673 Jan 1980 796297-15        
UP 3674 Jan 1980 796297-16     10 Aug 2000  
UP 3675 Jan 1980 796297-17     21 Dec 2001  
UP 3676 Jan 1980 796297-18        
UP 3677 Jan 1980 796297-19        
UP 3678 Jan 1980 796297-20        
UP 3679 Jan 1980 796297-21        
UP 3680 Jan 1980 796297-22        
UP 3681 Jan 1980 796297-23     5 Dec 2008  
UP 3682 Jan 1980 796297-24        
UP 3683 Jan 1980 796297-25        
UP 3684 Jan 1980 796297-26     28 Sep 2001  
UP 3685 Jan 1980 796297-27     16 Jul 2007  
UP 3686 Jan 1980 796297-28        
UP 3687 Jan 1980 796297-29        
UP 3688 Jan 1980 796297-30        
UP 3689 Jan 1980 796297-31     31 Jul 2001  
UP 3690 Jan 1980 796297-32        
UP 3691 Jan 1980 796297-33        
UP 3692 Jan 1980 796297-34        
UP 3693 Jan 1980 796297-35     21 Dec 2001  
UP 3694 Jan 1980 796297-36     24 May 2001  
UP 3695 Jan 1980 796297-37     12 Jul 2001  
UP 3696 Jan 1980 796297-38        
UP 3697 Jan 1980 796297-39        
UP 3698 Jan 1980 796297-40     28 Sep 2001  
UP 3699 Jan 1980 796297-41        
UP 3700 Jan 1980 796297-42        
UP 3701 Jan 1980 796297-43        
UP 3702 Jan 1980 796297-44        
UP 3703 Jan 1980 796297-45     29 Aug 2001  
UP 3704 Jan 1980 796297-46     10 Aug 2000  
UP 3705 Jan 1980 796297-47     29 Aug 2001  
UP 3706 Jan 1980 796297-48     28 Sep 2001  
UP 3707 Jan 1980 796297-49        
UP 3708 Jan 1980 796297-50        
UP 3709 Jan 1980 796297-51        
UP 3710 Jan 1980 796297-52        
UP 3711 Jan 1980 796297-53     14 May 2009  
UP 3712 Jan 1980 796297-54 UP 7875 3 Oct 2003 3 Oct 2003 10
UP 3713 Jan 1980 796297-55        
UP 3714 Jan 1980 796297-56 UPY 863 1 Apr 2004   11
UP 3715 Jan 1980 796297-57     29 Nov 2000  
UP 3716 Feb 1980 796297-58        
UP 3717 Feb 1980 796297-59        
UP 3718 Feb 1980 796297-60     31 Jul 2001  
UP 3719 Feb 1980 796297-61     28 Nov 2001  
UP 3720 Feb 1980 796297-62     28 Dec 2000  
UP 3721 Feb 1980 796297-63        
UP 3722 Feb 1980 796297-64     31 Oct 2002  
UP 3723 Feb 1980 796297-65        
UP 3724 Feb 1980 796297-66     5 Dec 2008  
UP 3725 Feb 1980 796297-67     5 Dec 2008  
UP 3726 Feb 1980 796297-68     16 Oct 2001  
UP 3727 Feb 1980 796297-69        
UP 3728 Feb 1980 796297-70     (6 Mar 2008) 12
UP 3729 Feb 1980 796297-71     28 Dec 2000  
UP 3730 Feb 1980 796297-72     29 Nov 2000  
UP 3731 Feb 1980 796297-73        
UP 3732 Feb 1980 796297-74     31 Oct 2002  
UP 3733 Feb 1980 796297-75        
UP 3734 Feb 1980 796297-76     30 Jan 2002  
UP 3735 Feb 1980 796297-77     21 Dec 2001  
UP 3736 Feb 1980 796297-78        
UP 3737 Feb 1980 796297-79        
UP 3738 Feb 1980 786297-80     19 Sep 1989 13
UP 3739 Feb 1980 796297-81        
UP 3740 Feb 1980 796297-82     31 Aug 2000  
UP 3741 Feb 1980 796297-83        
UP 3742 Feb 1980 796297-84     19 Dec 2002  
UP 3743 Feb 1980 796297-85     28 Nov 2001  
UP 3744 Feb 1980 796297-86        
UP 3745 Feb 1980 796297-87     10 Aug 2000  
UP 3746 Feb 1980 796297-88        
UP 3747 Feb 1980 796297-89        
UP 3748 Feb 1980 796297-90 UP 7912 9 Jan 2004 7 Jan 2004 14
UP 3749 Feb 1980 796297-91        
UP 3750 Mar 1980 796297-92        
UP 3751 Mar 1980 796297-93     14 May 2009  
UP 3752 Mar 1980 796297-94        
UP 3753 Mar 1980 796297-95     16 Jul 2007  
UP 3754 Mar 1980 796297-96     28 Nov 2001  
UP 3755 Mar 1980 796297-97        
UP 3756 Mar 1980 796297-98     15 Jul 2002  
UP 3757 Mar 1980 796297-99     21 Dec 2001  
UP 3758 Mar 1980 796297-100        
UP 3759 Mar 1980 796297-101        
UP 3760 Mar 1980 796297-102     28 Dec 2000  
UP 3761 Mar 1980 796297-103        
UP 3762 Mar 1980 796297-104        
UP 3763 Mar 1980 796297-105        
UP 3764 Mar 1980 796297-106        
UP 3765 Mar 1980 796297-107        
UP 3766 Mar 1980 796297-108     28 Nov 2001  
UP 3767 Mar 1980 796297-109     10 Aug 2000  
UP 3768 Mar 1980 796297-110        
UP 3769 Oct 1980 796345-1        
UP 3770 Oct 1980 796345-2     10 Aug 2000  
UP 3771 Oct 1980 796345-3     24 May 2001  
UP 3772 Oct 1980 796345-4     5 Dec 2008  
UP 3773 Oct 1980 796345-5     22 Aug 2001  
UP 3774 Oct 1980 796345-6 UP 3121 (2nd) 27 Mar 2004   15
UP 3775 Oct 1980 796345-7 UP 3219 (2nd) 21 May 2004   15
UP 3776 Oct 1980 796345-8     10 Aug 2000  
UP 3777 Oct 1980 796345-9 UP 3122 (2nd) 21 Jan 2004   15
UP 3778 Oct 1980 796345-10 UP 3233 (2nd) 14 Jul 2004   15
UP 3779 Oct 1980 796345-11 UP 7880 8 Oct 2003 8 Oct 2003 16
UP 3780 Oct 1980 796345-12     19 Jun 2001  
UP 3781 Oct 1980 796345-13 WP 3781 8 Apr 2004 29 Nov 2001  
UP 3782 Oct 1980 796345-14 UP 3146 (2nd) 4 Nov 2003   15
UP B3783 Nov 1980 796345-15     26 Dec 2001  
UP 3784 Nov 1980 796345-16 UP 3178 (2nd) 8 Aug 2003   15
UP 3785 Nov 1980 796345-17 UP 3247 (2nd) 16 Aug 2003   15
UP 3786 Nov 1980 796345-18 UP 3282 (2nd) 9 Oct 2003   15
UP 3787 Nov 1980 796345-19 UP 3308 (2nd) 9 Oct 2003   15
UP 3788 Nov 1980 796345-20 UP 3309 (2nd) 27 Feb 2004   15
UP 3789 Nov 1980 796345-21 UP 3316 (2nd) 28 Nov 2003   15
UP 3790Nov 1980 796345-22 UP 3336 (2nd) 29 Feb 2004   15
UP 3791 Nov 1980 796345-23 UP 3339 (2nd) 19 Feb 2004   15
UP 3792 Nov 1980 796345-24     24 May 2001  
UP 3793 Nov 1980 796345-25     22 Nov 2000  
UP 3794 Nov 1980 796345-26 UP 3257 (2nd) 13 May 2004   15, 17
UP 3795 Nov 1980 796345-27     28 Sep 2001  
UP 3796 Nov 1980 796345-28 UP 3341 (2nd) 27 Oct 2003   15
UP 3797 Nov 1980 796345-29     20 Aug 1992 18
UP 3798 Nov 1980 796345-30 UP 3354 (2nd) 20 Oct 2003   5, 15
UP 3799 Nov 1980 796345-31 UP 3356 (2nd) 16 Aug 2003   15
UP 3800 Nov 1980 796345-32 UP 3365 (2nd) 4 Sep 2003   15
UP 3801 Nov 1980 796345-33     29 Nov 2001 19
UP 3802 Nov 1980 796345-34 UP 3388 (2nd) 15 Apr 2004   15
UP 3803 Nov 1980 796345-35 UP 7890 21 Nov 2003 15 Jul 2002  
UP 3804 Nov 1980 796345-36     21 Dec 2001  

General Notes:

a. UP 3635, 3640, 3641, 3664, 3783, 3786 (six units) were changed to trailing-unit-only status by removal of cab signals, refrigerators, toilets, and cab seats, and renumbered with "B" number on the following dates:
  Road
Number
Date To
"B" Number
Notes
  UP B3635 28 Apr 1992 Returned to UP 3635 on 23 September 1993.
  UP B3640 3 Apr 1992  
  UP B3641 12 Mar 1992 Returned to UP 3641 on 20 May 1999.
  UP B3664 4 May 1992 Returned to UP 3664 on 25 March 1994.
  UP B3783 18 Mar 1992  
  UP B3786 1 Apr 1992 Returned to UP 3786 on 19 January 1996.
c. UP 3702, 3703, 3708, and 3709 were assigned to hump yard service in May 1987 to late 1990; UP 3702 and 3703 were assigned to Hinkle, Oregon, and UP 3708 and 3709 were assigned to North Platte, Nebraska; the change in service included removal of their pilot snowplows.
d. Fitted with 88-inch nose and corrugated radiator screens.

Notes:

1. UP 3613 was retired and renumbered to UP 7916 (Peak Power) on 23 July 2004.
2. UP 3616 was wrecked on 2 July 1997 at Kenefick, Kansas; scrapped at wreck site.
3. UP 3617 was wrecked on 8 June 1987 at Council Bluffs, Iowa; sold for scrap to Aaron Ferer and Sons, Omaha, Nebraska, 18 March 1988.
4. UP 3622 was retired and renumbered to UP 7891 (Peak Power) on 14 November 2003.
5. UP 3626 and 3798 were two of the three units (UP 4238 was the third unit) that carry the Operation Redblock substance abuse prevention slogan; UP 3626 was completed on 1 December 1988, UP 3798 was completed on 7 November 1988.
6. UP 3635 was renumbered to WP 3635 on 6 March 2008; officially retired on 2 April 2008; used as the core unit for six-axle Genset RP20SD UPY 898, completed in late April 2008.
7. UP 3639 and 3643 sold to GECX; sold to BHP Billiton Iron Ore (BHPBIO) for service on BHP's iron ore railroad in Pilbara in Northwest Australia; shipped during October 2003; renumbered as follows:
  Road
Number
BHPBIO
Number
Date To
BHPBIO
  UP 3639 BHPBIO 3082 19 Dec 2003
  UP 3643 BHPBIO 3084 28 Nov 2003
8. UP 3648 was retired and renumbered to UP 7901 (Peak Power) on 21 November 2003.
9. UP 3649 was retired and renumbered to UP 7882 (Peak Power) on 24 October 2003.
10. UP 3712 was retired and renumbered to UP 7875 (Peak Power) on 3 October 2003.
11. UP 3714 was rebuilt to SD38-2 by UP for yard switch service and renumbered to UPY 863 on 1 April 2004.
12. UP 3728 was renumbered to WP 3729 on 6 March 2008; unit has been set aside for use as a core unit for an RP20SD six-axle Railpower genset unit. (Note: WP 3729 was used because WP 3728 already exists in UP records.)
13. UP 3738 was wrecked on 8 August 1989 at Bellmead, Texas; sold for scrap to Gray Supply, North Little Rock, Arkansas, 20 September 1989.
14. UP 3748 was retired and renumbered to UP 7912 (Peak Power) on 7 January 2004.
15. Twenty-one unretired units (UP 3774, 3775, 3777, 3778, 3779, 3781, 3782, 3784, 3785, 3786, 3787, 3788, 3789, 3790, 3791, 3794, 3796, 3798, 3799, 3800, 3802) were renumbered to the new UP 3100-3522 series to clear this 3700 series for use by new SD70M units, numbered from 3779.
16. UP 3779 was retired and renumbered to UP 7880 (Peak Power) on 8 October 2003.
17. UP 3794 was fitted with rear toilet enclosure in February 1982; the modification was unpopular with the crews and to save maintenance costs, the enclosure's access door was welded shut by mid 1985; enclosure was removed in May 1989. (Previously reported as being removed in "late 1990.")
18. UP 3797 was wrecked on 6 November 1991 at LaSalle, Colorado; sold to National Railway Equipment, 31 March 1993.
19. UP 3801 was sold to Helm Financial in (?), and as of 2004, was in national lease service as HLCX 6241.
   

EMD SD40-2 (Special) -- 4 units
3000 horsepower; C-C trucks; 392,000 pounds operating weight

Road
Number
Builder
Date
Builder
Number
Renumbered
To
Date
Renumbered
Date
Retired
Notes
UP 3805 Nov 1980 806053-1     29 Nov 2001  
UP 3806 Nov 1980 806053-2 UP 3412 (2nd) 3 Nov 2003   1
UP 3807 Nov 1980 806053-3 UP 3277 (2nd) 23 Jun 2004   1
UP 3808 Nov 1980 806053-4 WP 3808 1 Jun 2004 30 Jan 2002  

General Notes:

a. UP 3805-3808 were built as test units and were equipped with a improved engines and turbochargers, longer radiators, two-speed radiator fans, as a test for EMD to increase cooling capacity for its SD40-2 model. At the conclusion of the one-year test, all four units were equipped with standard engines and standard turbochargers.
b. The carbodies are longer than a standard SD40-2 by approximately 28 inches to accommodate longer radiators; each long-hood is fitted with eight doors under radiator section, rather than seven, and a shorter rear platform.
c. Previously reported as being equipped with improved wheel-slip control (a feature of the later Super Series units). Research in the railroad's mechanical department records completed during 2000 found that these units were not equipped with the Super Series improved wheel slip control features. (Read more about UP's Final Four SD40-2 locomotives)
d. Fitted with 88-inch nose and corrugated radiator screens.

Notes:

1. Unretired UP 3806 and 3807 were renumbered to the new 3100-3522 series to clear this 3800 series for use by new SD70M units, numbered from 3779.

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