Union Pacific Railroad

General Notes:

1. Original total of 45 SP units; 44 units went to UP at merger; SP retired 4808 prior to the merger.
2. Six units, UP 572, 580, 600, 602, 604, 606 (ex SP 4809, 4817, 4839, 4840, 4841, 4843), are equipped for snow service on Donner Summit in California's Sierra Nevada mountains; the six units are equipped with icicle breakers, wire screen protection for the cab windows, and foul-weather spinning cab window inserts; for better braking control during service in severe weather, all six units also received old style Blomberg trucks (known as Blomberg B) with dual-clasp brake rigging, exchanged from older units (SSW GP40s rebuilt for service as road slug power units).
3. Assigned UP 2064-2107 in September 1997, two units renumbered (UP 2064, ex SP 4800, completed on 12 March 1998, and UP 2083, ex SP 4820, completed on 24 April 1997); assigned UP 564-607 in December 1999.

Notes:

1. SP 4801 was renumbered to UP 282 on 12 September 2008, instead of its planned UP 565 for unknown reasons.
2. UP 607 and 608 are blank and not used; UP 607 was to be renumbered from SP 4842, but when the time came for the unit to be renumbered, the UP 607 number was still being used by an active ex MP C36-7, and SP 4842 was renumbered instead to UP 609 on 22 August 2001; UP 609 was an unplanned number in the December 1999 renumber plan.

General Notes:

1. Total of 19 MKT units went to UP at merger, numbered MKT 231-248; renumbered to UP 666-683 (later UP 667-684) in April 1989 (UP 683) through February 1991 (UP 669).
2. Built as Penn Central units; to Conrail in 1976; to MKT in 1983 upon expiration of lease to Conrail; during May and July 1984, at least 15 units were in service as MKT units, with their former CR road numbers, including MKT 3105, 3106, 3107, 3108, 3109, 3110, 3111, 3112, 3120, 3122, 3133, 3139, 3144, 3152 and 3161. (MKT 3100-series information from Norm Metcalf, Keel Middleton, and members of Railspot Sooner State Rails email discussion groups.) (two units, 3139 and 3152, added per email from Rich Lorntzen dated November 29, 2006) (MKT 3122 added per email from Scott Thomas, citing photo posted to Trainorders.com by Lance Garrels, March 2, 2021)
3. Built on EMD order number 7127.
4. Remaining 16 units assigned UP 9951-9966 in December 1999; 10 units renumbered.
5. Individual unit histories:

Notes:

1. After operating with the number for almost four years, UP 666 was renumbered to UP 684 on 9 April 1993; to avoid the use of the 666 number, believed by many to be "the number of the beast" (the antichrist), see Revelation, chapter 13, verse 18.
2. MKT 233 (assigned UP 668) was retired by UP due to wreck damage; sold to Morrison Knudsen in May 1990; rebuilt to a GP40-2, completed as SSW 7276 on 18 November 1990 (assigned UP 1493).
3. UP 670 was retired on 18 April 2000, but was still on property to be renumbered to UP 9953 on 27 April 2000 to clear the UP 670 number for use by renumbered GP38-2 2170.
4. UP 673 (ex MKT 238) was sold to Helm Financial on 29 May 1998; rebuilt to a GP38-2 by Boise Locomotive Co., Boise, Idaho; completed as UP 2587 on 27 September 1998 (assigned UP 1087).
5. UP 677 was renumbered to WP 677 on 8 May 2001 to clear the UP 677 number for use by renumbered GP38-2 2177; retired as WP 677 on 25 May 2001; sold (as WP 677) to National Railway Equipment, en route to NRE-Silvis on 14 March 2002.
6. UP 683 (ex MKT 248) was the first of this group to be repainted to Union Pacific, completed on 18 April 1989, following repairs to wreck damage received on 5 December 1988 at Red Oak, Okla.
7. UP 684 was renumbered from UP 666 (ex MKT 231) on 9 April 1993; to avoid the use of the 666 number (see Note 1, above); in service as UP 666 from 12 July 1989 to 9 April 1993.

General Notes:

1. Original total of 38 C&NW units, numbered C&NW 5500-5537; 33 units went to UP at merger; C&NW retired five units (C&NW 5514, 5519, 5523, 5530 and 5536) prior to the merger. (These five units were sold by C&NW to Helm Financial during 1989; reconditioned and leased to UP as UP 886, 882, 871, 883, and 870; all except UP 882 were rebuilt to GP38-2s and returned to lease service on UP s UP 2555, 2542, 2552, and 2541).
2. Built as part of the 40-unit group for New York Central; to Penn Central in 1968; to Conrail in 1976; returned to lessor/owner in 1980 upon expiration of 15 year lease; two units (PC 3024 and 3043) were wrecked and retired by PC; remaining 38 units were purchased by Precision National Corp., in July 1980; C&NW leased the 38 units from PNC in late 1980, and purchased them during 1981; all 38 units, numbered C&NW 5500-5537, were rebuilt in June through December 1981 at C&NW's Oelwein, Iowa, shops, including new electrical cabinets and modifications to the throttle and dynamic braking controls.
3. Equipped with Automatic Train Stop (ATS) for operation along former C&NW Chicago commuter lines.
4. Equipped with Automatic Train Control (ATC) for operation along former C&NW lines.
5. Assigned UP 633-665 in June 1995, five units renumbered; assigned UP 685-717 in September 1997, three units renumbered; assigned UP 9967-9985 in December 1999.
6. Of the 33 units to UP at merger, two were retired by UP; 19 units assigned numbers in the UP 9967-9985 group; the other 12 units (C&NW 5500, 5501, 5502, 5503, 5508, 5509, 5510, 5512, 5533, 5534, 5535, and 5537) not assigned numbers in the December 1999 renumber plan.
7. UP 685-706 were built on EMD order number 7831.
8. UP 707-717 were built on EMD order number 7851.
9. A total of 12 units were retired with their C&NW numbers; the remaining 19 units were renumbered into the UP 9967-9985 series.
10. Individual unit histories:

Notes:

1. C&NW 5505 (assigned UP 690) was sold to Helm Financial on 29 May 1998; rebuilt to a GP38-2 by Boise Locomotive Co., Boise, Idaho; completed as UP 2572 on 24 September 1998 (assigned UP 1072).
2. C&NW 5511 (assigned UP 696) was sold to Helm Financial on 29 May 1998; rebuilt to a GP38-2 by Boise Locomotive Co., Boise, Idaho; completed as UP 2573 on 6 October 1998 (assigned UP 1073).
3. C&NW 5512, 5515, and 5535 were moved from NRE at Mount Vernon, Illinois, to VMV Enterprises, Paducah, Kentucky, in late January 2001.
4. C&NW 5521 (assigned UP 704, then UP 9976) was sold to National Railway Equipment, en route to NRE-Silvis on 14 March 2002.
5. C&NW 5525 (assigned UP 707), as NYC 3036, was the first production GP40.
6. C&NW 5527 (assigned UP 709) was sold to Paducah & Louisville Railroad for conversion to a roadslug (RDMATE) (possibly through Relco, Minooka, Illinois, as the broker), moved to VMV Enterprises at Paducah, Kentucky, during mid May 2002.
7. UP 652 (ex C&NW 5532) was retired on 12 October 2000 but was still on property and was renumbered to WP 652 to clear the UP 652 number for use by renumbered GP38-2 2152.

General Notes:

1. Original total of 13 D&RGW units, numbered D&RGW 3081-3093; eight units went to UP at merger; SP retired five units (D&RGW 3082, 3083, 3089, 3090, and 3091) prior to the merger.
2. Not assigned new numbers in the December 1999 renumber plan.
3. UP 738-740 were built on EMD order number 7201.
4. UP 741-745 were built on EMD order number 7357.

Notes:

1. D&RGW 3081 (assigned UP 738) was wrecked in September 1972 and rebuilt by EMD with some GP40-2 features.
2. D&RGW 3086 (assigned UP 741) was repainted to SP (retaining D&RGW sublettering on cab side) on 18 July 1992; assigned UP 741 in December 1996 (not renumbered); assigned UP 9986 in December 1999 (not renumbered); assigned UP 9995 in August 2001 (not renumbered); retired by UP on 27 August 2009; sold to Great Walton Railroad, Social Circle, Georgia on 8 October 2009; moved to Social Circle, Georgia during mid April 2010 (2009-2010 updates from Kevin Wood and Randy Keller via email)
3. UP 744 (ex D&RGW 3092) was the first of this group to be repainted to Union Pacific, completed on 5 November 1998, following repairs from wreck damage received on 21 July 1998 at Westvaco, Wyoming.
4. UP 744 was sold to Locomotive Leasing Partners on 30 August 2000; in a strange twist of modern bookkeeping, UP 744 was renumbered back to D&RGW 3092 on 10 October 2000 to make the UP 744 number available for use by renumbered GP38-2 2244, which was renumbered to UP 744 on 11 October 2000; UP records show that the former D&RGW 3092 was located at National Railway Equipment's Mount Vernon, Illinois, shop at the time of renumbering; moved from NRE at Mount Vernon, Illinois, to VMV Enterprises, Paducah, Kentucky, in late January 2001.
5. D&RGW 3093 (assigned UP 745) was sold to Helm Financial on 29 May 1998; rebuilt to a GP38-2 by Boise Locomotive Co., Boise, Idaho; completed as UP 2588 on 18 December 1998 (assigned UP 1088).

General Notes:

1. Total of 127 MP units went to UP at merger, numbered MP 2111-2237; renumbered to UP 2111-2237 in November 1985 through November 1993 (UP 2159, ex MP 2159, was the first, completed on 26 November 1985, and UP 2214, ex MP 2214, was the last, completed on 10 November 1993); UP was retired 2185 prior to the December 1999 renumber plan; total of 126 units remain to be renumbered to UP 611-737 (and UP 280).
2. Of the original 127 units, 19 units (MP 2113, 2114, 2117, 2118, 2141, 2160, 2161, 2162, 2166, 2170, 2174, 2180, 2187, 2192, 2194, 2198, 2207, 2214, 2219) were repainted to UP yellow and gray, with Missouri Pacific lettering, in December 1984 through November 1985; relettered to UP in December 1986 through November 1993.
3. UP number 666 is blank and not used; UP 2166 assigned UP 280.
4. UP number 685 is blank and not used; UP 2185 was wrecked (switching accident with a BNSF train) on 14 May 1998 at Sioux City, Iowa; moved to North Little Rock, Arkansas, 7 June 1998; stored awaiting settlement and repairs; retired on 31 March 1999 after furnishing parts for repairs of other units; sold to Boise Locomotive Co., Boise, Idaho, on 30 September 1999.
5. UP 621-637 (17 units) were assigned to switch service beginning in October and November 1990, working in back-to-back pairs at hump yards in North Platte, Nebraska, Fort Worth, Tex, and Hinkle, Oreg.
6. Not equipped with dynamic braking.
7. Assigned UP 2111-2237 in December 1985, all units renumbered; assigned UP 611-737 in December 1999.