Union Pacific Railroad

Western Pacific Locomotives

This page was last updated on September 13, 2017.

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(As of December 1982)

December 1982 Total: 145

Road Number Model Qty. UP Number
SN 402 SW1 1 (not assigned a UP number)
WP 601-606 SW9 6 (not assigned UP numbers)
SN 607, WP 608 NW2 2 (not assigned UP numbers)
WP 701, 703-710, SN 711, 712, WP 713 GP7 12 UP 100-115
WP 725, 727, 728, 729, 731, 732 GP9 6 UP 300-308
WP 917, 921 F7A 2 (not assigned UP numbers)
WP 1501-1503 SW1500 3 UP 1501-1503
WP 2001-2010 GP20 9 UP 477-489
WP 2251-2265 U23B 13 UP 520-533 (none renumbered)
WP 3001-3022 GP35 17 UP 782-799
WP 3051-3064, 3066-3069 U30B 18 (not assigned UP numbers)
WP 3501-3544 GP40 41 UP 651-691
WP 3545-3559 GP40-2 15 UP 900-914

 

EMC SW1 -- 1 unit (not assigned a UP number)
600 horsepower; B-B trucks; 201,200 pounds operating weight

Road
Number		 First
Number		 Builder
Date		 Builder
Number		 Date
Retired
Notes
SN 402 WP 502 Dec 1939 988 Jul 1981 Donated to California State Railroad Museum in October 1983.

General Notes:

  1. SN 402 built as WP 502 and was sold to Sacramento Northern 402 in 1965.
  2. EMC order number E283.

 

EMD SW9 -- 6 units (not assigned UP numbers)
1200 horsepower; B-B trucks; 247,800 pounds operating weight

Road
Number		 Builder
Date		 Builder
Number		 Date
Retired
Notes
WP 601 May 1952 16636 Sep 1983 Rebuilt to SW10 1271 in November 1984.
WP 602 May 1952 16637 Sep 1983 Sold to Western Co-op Fertilizers ME-384 (Calgary, Alberta, Canada) in February 1984.
WP 603 Jun 1952 16638 Sep 1983 Rebuilt to SW10 1272 in November 1984.
WP 604 Jun 1952 16639 Apr 1984 Main generator used on UP 951. Sold to Pielet Brothers Iron & Scrap, 26 June 1987, scrapped by Scrap Service during September 1987.
WP 605 Jun 1952 16679 Apr 1984 Rebuilt to SW10 1273 in December 1984.
WP 606 Jul 1952 16680 Apr 1984 Rebuilt to SW10 1274 in December 1984.

General Notes:

  1. WP 601-603 removed from service in California and stored in Salt Lake City, Utah, in July 1983.
  2. WP 604-606 remained in service in California until replaced by UP SW10s in February 1984; stored at Salt Lake City; moved to Omaha, Nebraska, for rebuild to SW10s in May 1984.
  3. EMD order number 4168.

 

EMD NW2 -- 2 units (not assigned UP numbers)
1000 horsepower; B-B trucks; 248,000 pounds operating weight

Road
Number		 First
Number		 Second
Number		 Third
Number		 Fourth
Number		 Builder
Date		 Builder
Number		 Date
Retired		 Notes
SN 607 EMD 889 UP 1000 ST&E 1000 WP 607 Oct 1939 889 Sep 1983 1
WP 608 UP 1001 ST&E 1001     May 1940 1000 Sep 1983 2

General Notes:

  1. SN 607 built as EMD NW2 demonstrator 889, sold to UP in March 1940; retired by UP in July 1966 and sold Stockton Terminal & Eastern 1000, Stockton, California, in July 1966; ST&E traded their 1000 to WP for WP S-1 505 in 1969.
  2. WP 608 built new as UP 1001; retired by UP in July 1966 and sold Stockton Terminal & Eastern 1000, Stockton, California, in July 1966; ST&E traded their 1001 to WP for WP S-1 506 in 1969.
  3. Both units rebuilt by WP with EMD 567B engine.

Notes:

  1. Donated to Deer Creek Scenic Railroad, Heber, Utah, in May 1984; delivered in early August 1984; repainted back to its original number, UP 1000, in original black switcher paint; sold to Nevada State Railroad Museum, Boulder City, Nevada, in 1992; moved to Boulder City in early August 1993.
  2. Donated to the Feather River Rail Society, Portola, California, in December 1984; delivered on 7 December 1984.

 

EMD F7A -- 2 units (not assigned UP numbers)
1500 horsepower; B-B trucks; 244,700 pounds operating weight

Road
Number		 First
Number		 Builder
Date		 Builder
Number		 Date
Retired		 Notes
WP 917 WP 917D Jan 1950 8971 Jul 1983 1
WP 921 WP 921D Feb 1950 8979 Sep 1983 2

Notes:

  1. WP 917 was repainted back to WP's original orange and silver scheme by UP at North Platte, Nebraska, in July 1983; donated to the Bay Area Electric Railroad Association; displayed at Western Railway Museum at Rio Vista Junction, California; delivered on 15 October 1983 after track repairs were completed to allow movement over the unused branch that connects to the museum's own trackage.
  2. WP 921 was repainted back to WP's original orange and silver scheme by UP at North Platte, Nebraska, in July 1983; donated to the Greater Portola Area Chamber of Commerce, Portola, California; displayed at Feather River Rail Society, Portola, California.

 

GE U23B -- 13 units (no units renumbered)
2250 horsepower; B-B trucks; 262,200 pounds operating weight

Road
Number		 Builder
Date		 Builder
Number		 UP
Number		 Date
Retired		 Notes
WP 2251 May 1972 38397 (520) 19 Nov 1987 1
WP 2252 May 1972 38398 (521) 19 Nov 1987 2
WP 2253 May 1972 38399 (522) 19 Nov 1987 3
WP 2254 Jun 1972 38400 (523) 19 Nov 1987 4
WP 2255 Jun 1972 38401 (524) 19 Nov 1987 5
WP 2256 Jun 1972 38402   (6 May 1980) 6
WP 2257 Jun 1972 38403 (525) 19 Nov 1987 7
WP 2258 Jun 1972 38404 (526) 19 Nov 1987 8
WP 2259 Jun 1972 38405 (527) (6 Oct 1981) 9
WP 2260 Jun 1972 38406 (528) 19 Nov 1987 10
WP 2261 Jun 1972 38407 (529) 19 Nov 1987 11
WP 2262 Jun 1972 38408 (530) 19 Nov 1987 12
WP 2263 Jun 1972 38409 (531) 19 Nov 1987 13
WP 2264 Jun 1972 38410 (532) 19 Nov 1987 14
WP 2265 Jun 1972 38411 (533) 19 Nov 1987 15

General Notes:

  1. Original total of 15 units, numbered WP 2251-2265; 13 units to UP at merger; WP 2256 and 2259 were retired by WP prior to the UP merger.
  2. Assigned UP numbers 520-533, including UP number 527 for retired WP 2259, wrecked on 12 September 1981 (with GP35 3018) at Deeth, Nevada.
  3. WP 2251-2265 were equipped with GE traction motors, mounted in trade-in EMD trucks.
  4. All 13 units were removed from service in February 1983; stored at Salt Lake City, Utah, until sent to MP in late March 1984, and assigned MP 4538-4552, none carried the MP numbers; stored at North Little Rock until 24 July 1985 when they were retired by MP and returned to UP ownership, remaining stored at North Little Rock.
  5. The 15 year lease expired on 1 September 1987 and the units were retired on 19 November 1987 and returned to the owner/lessor, First Security Bank of Utah; units remained stored at North Little Rock pending disposition by lessor; sold to GE in February 1988; GE rebuilt them into GE's new Super 7-23Bs; first unit (GECX 2000, ex-WP 2263) was completed at GE's Erie plant in March 1989 and served as the prototype unit; next two (GECX 2001, 2002, ex-WP 2251, 2257) were completed in March 1989 by Morrison Knudsen's Boise Locomotive Shop in Boise, Idaho; remaining 10 units were completed as Monongahela Railway (MGA) 2300 class units and were done at GE's new, former Montreal Locomotive Works shop in Montreal, Canada; MGA 2300 was the first completed in the former MLW plant, in September 1989.

Notes:

  1. WP 2251 was returned to owner/lessor; sold to GE in February 1988; rebuilt to GECX Super 7-23B 2001 in April 1989; sold to Monongahela 2306 in February 1990.
  2. WP 2252 was returned to owner/lessor; sold to GE in February 1988; rebuilt to Monongahela Super 7-23B 2302 in November 1989.
  3. WP 2253 was returned to owner/lessor; sold to GE in February 1988; rebuilt to Monongahela Super 7-23B 2304 in December 1989.
  4. WP 2254 was returned to owner/lessor; sold to GE in February 1988; rebuilt to Monongahela Super 7-23B 2300 in September 1989.
  5. WP 2255 was returned to owner/lessor; sold to GE in February 1988; rebuilt to Monongahela Super 7-23B 2301 in October 1989.
  6. WP 2256 was wrecked on 17 November 1979 at Devil's Slide, Utah (on UP); retired on 6 May 1980; sold to UP on 14 February 1980; scrapped by UP at Omaha, Nebraska, in July 1981.
  7. WP 2257 was returned to owner/lessor; sold to GE in February 1988; rebuilt to GECX Super 7-23B 2002 in April 1989.
  8. WP 2258 was returned to owner/lessor; sold to GE in February 1988; rebuilt to Monongahela Super 7-23B 2303 in November 1989.
  9. WP 2259 was wrecked on 12 September 1981 at Deeth, Nev; scrapped at wreck site; retired by WP on 6 October 1981; still on property at UP merger, assigned UP number 527.
  10. WP 2260 was returned to owner/lessor; sold to GE in February 1988; rebuilt to Monongahela Super 7-23B 2308 in February 1990.
  11. WP 2261 was returned to owner/lessor; sold to GE in February 1988; rebuilt to Monongahela Super 7-23B 2309 in March 1990.
  12. WP 2262 was returned to owner/lessor; sold to GE in February 1988; rebuilt to Monongahela Super 7-23B 2307 in February 1990.
  13. WP 2263 was returned to owner/lessor; sold to GE in February 1988; rebuilt to GECX Super 7-23B 2000 in April 1989.
  14. WP 2264 was returned to owner/lessor; sold to GE in February 1988; rebuilt to Monongahela Super 7-23B 2305 in December 1989.
  15. WP 2265 was returned to owner/lessor; sold to GE in February 1988; rebuilt to Monongahela Super 7-23B 2310 in March 1990.

 

GE U30B -- 18 units (not assigned UP numbers)
3000 horsepower; B-B trucks; 287,000 pounds operating weight

Road
Number		 First
Number		 Builder
Date		 Builder
Number		 Date
Retired		 Notes
WP 3051 WP 751 Sep 1967 36451 Sep 1983 1
WP 3052 WP 752 Sep 1967 36452 Oct 1983 2
WP 3053 WP 753 Sep 1967 36453 Oct 1983 3
WP 3054 WP 754 Sep 1967 36454 Oct 1983 4
WP 3055 WP 755 Sep 1967 36455 Oct 1983 5
WP 3056 WP 756 Sep 1968 36833 Oct 1983 6
WP 3057 WP 757 Sep 1968 36834 Oct 1983 7
WP 3058 WP 758 Sep 1968 36835 Oct 1983 8
WP 3059 WP 759 Sep 1968 36836 Oct 1983 9
WP 3060 WP 760 Apr 1969 36998 Jul 1983 10
WP 3061 WP 761 Apr 1969 36999 Oct 1983 11
WP 3062 WP 762 Apr 1969 37000 Oct 1983 12
WP 3063 WP 763 Apr 1969 37001 Oct 1983 13
WP 3064 WP 764 Apr 1969 37002 Oct 1983 14
  WP 765 Apr 1969 37003 (15 Jun 1972) 15
WP 3066 WP 766 Apr 1969 37004 Oct 1983 16
WP 3067 WP 767 May 1969 37005 Oct 1983 17
WP 3068 WP 768 May 1969 37006 Oct 1983 18
WP 3069 WP 769 May 1969 37007 Oct 1983 19

General Notes:

  1. Original total of 19 units, numbered WP 751-769, renumbered to WP 3051-3069 in 1972; 18 units to UP at merger; WP 765 (not renumbered to WP 3065) was retired by WP prior to the UP merger.
  2. The Western Pacific U30Bs were built with traded-in EMD Blomberg trucks and equipped with GE 752 motors, but GE extensively modified those truck frames to shoehorn their 752 motor into the frame. The journal pedestals were also "opened" to accommodate large journal adapters, as the WP U30Bs weighed 288,000 pounds and had 7"x13" roller bearing journals instead of the usual 6-1'2" x 12" journals.
  3. All remaining 18 units were removed from service in February 1983, stored at Stockton, then Portola, California, then Salt Lake City, Utah; moved to Omaha, Nebraska, to be stripped of usable parts and retired in September 1983; eight units sold to Durbano Metals were moved to Ogden, Utah, for scrapping; six units sold to St. Louis Auto Shredding were moved to East St. Louis, Illinois, for scrapping.

Notes:

  1. WP 3051 was donated to Feather River Rail Society, 27 April 1984, delivered mid December 1984.
  2. WP 3052 was sold for scrap to Durbano Metals, Ogden, Utah in December 1984.
  3. WP 3053 was sold for scrap to St. Louis Auto Shredding, East St. Louis, Illinois, 8 January 1988.
  4. WP 3054 was sold for scrap to St. Louis Auto Shredding, East St. Louis, Illinois, 8 January 1988.
  5. WP 3055 was sold for scrap to Durbano Metals, Ogden, Utah in June 1984.
  6. WP 3056 was sold for scrap to St. Louis Auto Shredding, East St. Louis, Illinois, in January 1985.
  7. WP 3057 was sold for scrap in August 1984 to D. J. Joseph Co., Jewett, Texas.
  8. WP 3058 was sold for scrap to Durbano Metals, Ogden, Utah in June 1984.
  9. WP 3059 was sold for scrap to Durbano Metals, Ogden, Utah in June 1984.
  10. WP 3060 was wrecked on 8 October 1977 at South Seattle, Washington (on BN), repaired and returned to service; retired by UP in July 1983; scrapped by UP at Omaha, Nebraska, in April 1984. (previously reported as out of service after the 1977 wreck, and stored by WP at Stockton until retired by UP in 1983; Gerry Putz shared a photo of WP 3060 in service at Denver, Colorado, on March 12, 1978)
  11. WP 3061 was sold for scrap to St. Louis Auto Shredding, East St. Louis, Illinois, 8 January 1988.
  12. WP 3062 was sold for scrap to Durbano Metals, Ogden, Utah in June 1984.
  13. WP 3063 was sold for scrap to Durbano Metals, Ogden, Utah in June 1984.
  14. WP 3064 was sold for scrap to St. Louis Auto Shredding, East St. Louis, Illinois, in January 1985.
  15. WP 765 (not renumbered to WP 3065) was retired by WP prior to UP merger; wrecked on 22 July 1971 at Woodland, Washington. (on BN); retired on 15 June 1972; sold for scrap on 20 June 1972 to Schnitzer Steel, Oakland, California.
  16. WP 3066 was sold for scrap to Durbano Metals, Ogden, Utah in June 1984.
  17. WP 3067 was sold for scrap to Durbano Metals, Ogden, Utah in June 1984.
  18. WP 3068 was sold for scrap to St. Louis Auto Shredding, East St. Louis, Illinois, 8 January 1988.
  19. Portions of the cab of WP 3069, and other carbody parts were used by UP's Salt Lake City shops in December 1987 to repair wreck damaged UP C30-7 2412, wrecked in August 1987. Remaining portions of the mostly intact locomotive were sold for scrap in January 1988 to Southwest Railroad Car Parts, Longview, Texas; moved to Texas in March 1988.

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