UtahRails.net

(This page printed from UtahRails.net, Copyright 2000-2016 Don Strack)

Union Pacific Railroad

Roster of Diesel and Turbine Locomotives, 1934-2009

This page was last updated on April 30, 2016.

(Return to UP Diesel Roster Index Page)

Roster Listing

EMC NW2 -- 1 unit
1000 horsepower; B-B trucks; 251,000 pounds operating weight

Road
Number
First
Number
Builder
Date
Builder
Number
Date
Retired
Notes
UP 1000 EMC 889 Oct 1939 889 Jul 1966 1

General Notes:

a. UP 1000 was built as Electro Motive Corp. NW2 demonstrator 889; built for demonstration service on UP; sold to UP March 1940. (During the same time period in October 1939 to March 1940, UP also tested EMC's SW1 demonstrator 911. After returning to EMC, the SW1 was sold to Great Lakes Steel in November 1940.)
b. Built under EMC order number E308 (shared with UP 1001-1009).

Note:

1. UP 1000 was sold to Stockton Terminal & Eastern Railroad 1000, Stockton, California, in July 1966; sold to WP in October 1968, rebuilt and placed in service as WP 607 in June 1969; sold to Sacramento Northern 607 in May 1973; assigned UP 1886 after December 1982 UP/WP merger but never carried that number; retired, again in September 1983; donated in May 1984 to tourist operation Deer Creek Scenic Railway, contract operator of the State of Utah-owned former D&RGW Heber Provo Canyon Branch (usually known as the Heber Creeper), delivered in early August 1984, repainted back to original UP black switcher paint scheme, locomotive removed from service in 1986; private operation of Heber Creeper shut down in January 1991; sold to Nevada State Railroad Museum in February 1993, moved to Boulder, Nevada, in 1994; repainted and relettered to Boulder City Southern; relettered to Nevada Southern.
   

EMC NW2 -- 95 units
1000 horsepower; B-B trucks; 251,000 pounds operating weight

Road
Number
Builder
Date
Builder
Number
Date
Retired

Notes
UP 1001 May 1940 1000 Jul 1966 Sold to Stockton Terminal & Eastern Railroad 1001, Stockton, California, in July 1966; sold to WP in October 1968, rebuilt and placed in service as WP 608 in February 1969; assigned UP 1887 after December 1982 UP/WP merger but never carried that number; retired again in September 1983; donated to Feather River Rail Society in December 1984.
UP 1002 May 1940 1001 Apr 1972 Traded to EMD in April 1972.
UP 1003 May 1940 1002 Jun 1977 Sold to Chrome Crankshaft Co., Chicago, Illinois, in June 1977.
UP 1004 May 1940 1003 Apr 1978 Sold to Precision National Corp., Mount Vernon, Illinois, in October 1978.
UP 1005 May 1940 1004 Dec 1977 Sold to Precision National Corp., Mount Vernon, Illinois, in March 1978.
UP 1006 May 1940 1005 May 1979 Sold to Bargains Galore, Vancouver, Washington, 1979; sold to Diesel Electric Service, St. Paul, Minn.
UP 1007 May 1940 1006 15 Mar 1984 Briefly renumbered to UP 7007, after retired but awaiting disposition, to avoid conflict with newly arrived former P&LE MP15s; sold for scrap to Erman Corp., Turner, Kans., in June 1985; in service as Erman-Howell in-plant switcher, with 1007 number, as late as 1990.
UP 1008 May 1940 1007 Dec 1977 Sold to Precision National Corp., Mount Vernon, Illinois, in March 1978.
UP 1009 May 1940 1008 Nov 1973 Sold to Precision National Corp., Mount Vernon, Illinois, in November 1973, rebuilt and sold in May 1974 to U.S. Steel LM-4, Baytown, Texas, out of service by May 1988. (U. S. Steel Baytown report in Locomotive Notes II, Number 119, page 1)
UP 1010 Jul 1940 1123 Feb 1972 Traded to EMD in November 1973.
UP 1011 Jul 1940 1124 Jul 1977 Donated to State of Utah in August 1977, preserved at Heber City, Utah.
UP 1012 Jul 1940 1125 Feb 1979 Sold for scrap to Azcon Hyman Michaels, Alton, Illinois, in December 1979.
UP 1013 Jul 1940 1126 Feb 1979 Sold for scrap to Naporano Iron & Metal, Newark, N.J., 20 September 1979.
UP 1014 Jul 1940 1127 Mar 1972 Traded to EMD in March 1972.
UP 1015 Dec 1940 1244 Aug 1976 Sold to Precision National Corp., Mount Vernon, Illinois, in August 1976.
UP 1016 Jan 1941 1245 May 1972 Traded to EMD in May 1972.
UP 1017 Jan 1941 1246 Oct 1979 Sold to Bargains Galore, Vancouver, Washington, 16 January 1980; sold to Diesel Electric Service, St. Paul, Minn.
UP 1018 Jan 1941 1247 Aug 1978 Sold to Chrome Crankshaft Co., Chicago, Illinois, in November 1978; rebuilt at CRI&P-Silvis; sold to Jim Walter Resources 55, Birmingham, Ala., in April 1980; sold to Jefferson Warrior Railroad 55, same location.
UP 1019 Feb 1941 1248 Sep 1978 Sold to Bargains Galore, Vancouver, Washington, 16 January 1980; sold to Diesel Electric Service, St. Paul, Minn; sold to Tradewater Railway.
UP 1020 Feb 1941 1249 Mar 1973 Wrecked (crushed cab) on 21 October 1972 at Las Vegas, Nevada; scrapped by UP Omaha, Nebraska, in March 1973.
UP 1021 Mar 1941 1250 Jul 1976 Sold to Precision National Corp., Mount Vernon, Illinois, in July 1976.
UP 1022 Mar 1941 1251 Dec 1978 Wrecked; sold to Inter-City Metals, Portland, Oregon, in February 1979; sold to Agrico 2, Williams, Oklahoma, later to Agrico AAX2 at Verdegris, Oklahoma, by May 1980.
UP 1023 Mar 1941 1252 Jun 1977 Sold Chrome Crankshaft Co., Chicago, Illinois, in June 1977, rebuilt by GE Chamblee (Atlanta), Ga.; sold to Altos Hornos de Mexico 154 in November 1977.
UP 1024 Mar 1941 1253 14 Apr 1985 Sold for scrap to Erman Corp., Turner, Kans., in June 1985; used as plant switcher EC-2 at company's metal salvage yard, in green paint scheme, later scrapped.
UP 1025 Oct 1941 1686 Sep 1979 Sold to Bargains Galore, Vancouver, Washington, in July 1980; scrapped by Joseph Simon & Sons, Tacoma, Washington, in September 1980.
UP 1026 Oct 1941 1687 Mar 1981 Sold to Bargains Galore, Vancouver, Washington, 20 July 1981, shipped to Diesel Electric Service, St. Paul, Minn.
UP 1027 May 1942 1688 Apr 1980 Sold to Bargains Galore, Vancouver, Washington, in September 1980; seen in transit at Sioux City, Iowa, in early September 1982.
UP 1028 May 1942 1689 Apr 1975 Wrecked January 1975 at Los Angeles, California; scrapped by UP at Omaha, Nebraska.
UP 1029 May 1942 1690 Mar 1971 Sold to Precision National Corp., Mount Vernon, Illinois, in March 1971; rebuilt and painted solid yellow and leased as Precision 1029 during early 1979 to Atlantic & Gulf Stevedores; sold to Agrico 182, Big Bend, Fla, in 1982.
UP 1030 May 1942 1691 1 Jun 1984 Sold for scrap to St. Louis Auto Shredding, East St. Louis, Illinois, 8 January 1988.
UP 1031 Jun 1942 1692 Jun 1980 Sold to Precision National Corp., Mount Vernon, Illinois, in March 1981.
UP 1032 Jul 1942 1693 Nov 1981 Sold for scrap to General Metals, Tacoma, Washington, in March 1983.
UP 1033 Jul 1942 1694 Mar 1976 Sold to Precision National Corp., Mount Vernon, Illinois, in March 1976.
UP 1034 Jul 1942 1695 Feb 1977 Sold to Chrome Crankshaft Co., Chicago, Illinois, in February 1977, rebuilt and sold to Tuscola & Saginaw Bay Railway 1977, "Big Chief", Vasser, Michigan in December 1977.
UP 1035 Jul 1942 1696 Mar 1976 Sold to Industrial Maintenance Service, 30 September 1976, rebuilt with close clearance cab and sold to Ford Motor Company (River Rouge Plant) 12001, Detroit, Mich.
UP 1036 May 1946 3422 Feb 1977 Sold to Chrome Crankshaft Co., Chicago, Illinois, in February 1977, rebuilt by CRI&P-Silvis and sold to Canton Railroad 52, Canton (Baltimore), Md., in January 1978, painted dark blue with yellow lettering.
UP 1037 May 1946 3423 Jan 1983 Sold for scrap to Aaron Ferer and Sons, Omaha, Nebraska, 8 January 1988.
UP 1038 May 1946 3424 Mar 1972 Traded to EMD in March 1972.
UP 1039 Jun 1946 3425 Jun 1983 Sold for scrap to St. Louis Auto Shredding, East St. Louis, Illinois, 8 January 1988.
UP 1040 Jun 1946 3426 1 Jun 1984 Sold for scrap to Aaron Ferer and Sons, Omaha, Nebraska, 8 January 1988.
UP 1041 Jun 1946 3427 May 1979 Sold to Peaker Services, Brighton, Mich., in January 1980.
UP 1042 Jul 1946 3428 15 Mar 1984 Sold for scrap to Erman Corp., Turner, Kans., in August 1985.
UP 1043 Jul 1946 3429 Mar 1985 Sold to Pacific States Cast Iron Pipe Co., Provo, Utah, 10 March 1985.
UP 1044 Jul 1946 3430 Feb 1981 Sold to Bargains Galore, Vancouver, Washington, 28 April 1981; scrapped by Joseph Simon & Sons, Tacoma, Washington.
UP 1045 Jul 1946 3431 Jul 1976 Sold to Precision National Corp., Mount Vernon, Illinois, in July 1976, rebuilt and sold to Monongahela Connecting Railroad 432, Pittsburgh, Pa., in June 1977.
UP 1046 Jul 1946 3432 Mar 1972 Traded to EMD in March 1972.
UP 1047 Jul 1946 3433 Sep 1978 Sold to Precision National Corp., Mount Vernon, Illinois, in February 1980.
UP 1048 Jul 1946 3434 Oct 1974 Sold to Pacific Fruit Express, Roseville, California, 1048 in October 1974; PFE's Roseville facility shut down on 31 December 1979; PFE 1048 transferred to the PFE facility at Tucson, Ariz., in February 1980; retired in 1998 and sold to Commanche Crossing Historic Railroad, Strasburg, Colorado, in December 1998. (Photos at RRPictureArchives.net)
UP 1049 Jul 1946 3435 23 Nov 1982 Sold for scrap to Durbano, Ogden, Utah, 1 October 1984.
UP 1050 Jul 1946 3436 Oct 1979 Scrapped by UP at Omaha, Nebraska, in July 1980.
UP 1051 Feb 1947 4697 23 Nov 1982 Sold for scrap to Erman Corp., Turner, Kans., in March 1983.
UP 1052 Feb 1947 4698 Mar 1978 Sold to Precision National Corp., Mount Vernon, Illinois, in March 1978; sold to Montgomery Maintenance & Heavy Equipment 791; leased to Jackson County Grain Terminal, Pascagoula, Miss., in June 1980.
UP 1053 Feb 1947 4699 May 1972 Sold to Industrial Maintenance Services, Hammond, Ind., in May 1972; rebuilt and sold to Elgin, Joliet & Eastern 448, Joliet, Illinois, in November 1972.
UP 1054 Feb 1947 4700 Apr 1982 Sold for scrap to Erman Corp., Turner, Kans., in September 1982.
UP 1055 Feb 1947 4701 1 Jun 1984 Sold for scrap to St. Louis Auto Shredding, East St. Louis, Illinois, 8 January 1988.
UP 1056 Feb 1947 4702 Sep 1978 Sold to Chrome Crankshaft Co., Chicago, Illinois, in November 1978.
UP 1057 Mar 1947 4703 Mar 1972 Traded to EMD in March 1972.
UP 1058 Mar 1947 4704 Jun 1977 Sold to Chrome Crankshaft Co., Chicago, Illinois, in June 1977; rebuilt and sold to U.S. Steel Fairless Works 30, Fairless Hills, Pa., in July 1978.
UP 1059 Mar 1947 4705 Feb 1981 Sold to Bargains Galore, Vancouver, Washington, 28 April 1981; scrapped by Joseph Simon & Sons, Tacoma, Washington.
UP 1060 Mar 1947 4706 Mar 1972 Traded to EMD in March 1972.
UP 1061 Mar 1947 4707 1 Jun 1984 Sold for scrap to St. Louis Auto Shredding, East St. Louis, Illinois, 8 January 1988.
UP 1062 Apr 1947 4708 Nov 1984 Sold for scrap to St. Louis Auto Shredding, East St. Louis, Illinois, 8 January 1988.
UP 1063 May 1947 4709 Jan 1980 Sold to Precision National Corp., Mount Vernon, Illinois, in September 1980.
UP 1064 May 1947 4710 Dec 1980 Sold to Precision National Corp., Mount Vernon, Illinois, 27 March 1981.
UP 1065 May 1947 4711 Dec 1977 Sold to Precision National Corp., Mount Vernon, Illinois, in May 1978.
UP 1066 May 1947 4712 Jul 1976 Sold to Precision National Corp., Mount Vernon, Illinois, in July 1976.
UP 1067 May 1947 4713 May 1972 Sold to Industrial Maintenance Services, Hammond, Ind., in May 1972; rebuilt and sold to Elgin, Joliet & Eastern 449, Joliet, Illinois, in June 1973.
UP 1068 May 1947 4714 Apr 1978 Sold to Chrome Crankshaft Co., Chicago, Illinois, in November 1978; rebuilt by CRI&P-Silvis in March 1980; sold to Jim Walter Resources 56, Birmingham, Ala., in April 1980; sold to Jefferson Warrior Railroad 56, same location.
UP 1069 Jun 1947 4715 Apr 1978 Sold to Chrome Crankshaft Co., Chicago, Illinois, in November 1978.
UP 1070 Jun 1947 4716 Feb 1972 Traded to EMD in February 1972.
UP 1071 Jun 1947 4717 Jun 1977 Sold Chrome Crankshaft Co., Chicago, Illinois, in June 1977; rebuilt by GE-Chamblee (Atlanta), Ga.; sold to Altos Hornos de Mexico 155 in November 1977.
UP 1072 Jun 1947 4718 Dec 1977 Sold to Precision National Corp., Mount Vernon, Illinois, in March 1978.
UP 1073 Jun 1947 4719 Mar 1972 Traded to EMD in March 1972.
UP 1074 Jun 1947 4720 Dec 1977 Sold to Precision National Corp., Mount Vernon, Illinois, in March 1978.
UP 1075 Jun 1947 4721 Feb 1979 Sold to Peaker Services, Brighton, Mich., 4 December 1979; rebuilt to Peaker number 1; sold to Marinette, Tomahawk & Western Railroad 81, Tomahawk, Wis.; sold to Nekoosa Paper Products 26, Port Edwards, Wis.
UP 1076 Mar 1948 6336 Dec 1979 Sold to Precision National Corp., Mount Vernon, Illinois, 2 February 1981.
UP 1077 Mar 1948 6337 Jan 1983 Sold to Bargains Galore, Vancouver, Washington, 1 October 1984; scrapped by Joseph Simon & Sons, Tacoma, Washington, in December 1984.
UP 1078 Mar 1948 6338 Sep 1979 Sold to Precision National Corp., Mount Vernon, Illinois, in September 1980.
UP 1079 Apr 1948 6339 Feb 1972 Traded to EMD in February 1972.
UP 1080 Apr 1948 6340 14 Apr 1985 Sold for scrap to Erman Corp., Turner, Kans., in August 1985.
UP 1081 Apr 1948 6341 Feb 1985 Sold for scrap to Southwest Railroad Car Parts, Longview, Texas, 8 January 1988.
UP 1082 Apr 1948 6342 Apr 1980 Sold for scrap to Erman Corp., Turner, Kans., in May 1980.
UP 1083 May 1948 6343 Jun 1981 Sold for scrap to Azcon Hyman Michaels, Alton, Illinois, 9 October 1981.
UP 1084 May 1948 6344 Mar 1972 Traded to EMD in March 1972.
UP 1085 May 1948 6345 Feb 1985 Sold for scrap to St. Louis Auto Shredding, East St. Louis, Illinois, 8 January 1988.
UP 1086 Jun 1948 6346 14 Apr 1985 Sold for scrap to St. Louis Auto Shredding, East St. Louis, Illinois, 8 January 1988.
UP 1087 Jun 1948 6347 Oct 1979 Sold to Bargains Galore, Vancouver, Washington, 30 January 1981; sold to Rail Car Corp., Colorado Springs, Colorado; lettered for Cadillac & Lake City; sold to Rawhide Shortline 1087, Rawhide, Colorado, in July 1982.
UP 1088 Jul 1948 6348 Dec 1977 Sold to Precision National Corp., Mount Vernon, Illinois, in March 1978.
UP 1089 Jul 1948 6349 Mar 1976 Sold to Precision National Corp., Mount Vernon, Illinois, in March 1976.
UP 1090 Jul 1948 6350 6 Mar 1980 Sold to Illinois Central Gulf Railroad in September 1980.
UP 1091 Aug 1948 6351 1 Jun 1984 Sold for scrap to Southwest Railroad Car Parts, Longview, Texas, 8 January 1988.
UP 1092 Aug 1948 6352 14 Apr 1985 Sold for scrap to Erman Corp., Turner, Kans., in August 1985.
UP 1093 Sep 1948 6353 May 1979 Sold for scrap to Azcon Hyman Michaels, Alton, Illinois, in August 1980.
UP 1094 Sep 1948 6354 Dec 1981 Sold to Bargains Galore, Vancouver, Washington, 27 February 1986; scrapped by General Metals, Tacoma, Washington, in May 1986.
UP 1095 Sep 1948 6355 14 Apr 1985 Sold for scrap to Erman Corp., Turner, Kans., in August 1985.

General Notes:

a. UP 1025-1035 were part of an order for 25 units, to be numbered UP 1025-1049; only 11 units were delivered; remainder of order (UP 1036-1049, 14 units) was canceled by the War Production Board in July 1942. UP numbers 1036-1049 were later used on additional NW2s.
b. UP 1036-1054 were the second units to carry these numbers; the same numbers were first carried by Alco S-2s, 1036-1054, which were renumbered to the 1100-series in 1945.
c. UP 1055-1060 were the second group of units to carry these numbers; the same numbers were first carried by Baldwin VO-1000s, which were renumbered to the 1200-series in 1945.
d. UP 1001-1075 were delivered in UP's early black switcher paint scheme, repainted to yellow in late 1947.
e. UP 1006-1011, 1016, 1018-1021, 1027-1029, 1039, 1040, 1046-1049, 1052-1054, 1056-1058, 1060-1063, 1070, 1081, and 1085 (33 units) were assigned to the South-Central District (Salt Lake City, Las Vegas, and Los Angeles) during early 1953. During February and March 1953 each unit had the D.S. (Diesel Switch) prefix removed from its 1000-series number.
f. UP 1088-1095 had 253,000 pounds operating weight and 65:12 gear ratio; several were later changed to 62:15 gear ratio.
g. UP 1001-1009 were built under EMC order number E308 (shared with 1000).
h. UP 1010-1014 were built on EMD order number E328.
i. UP 1015-1024 were built on EMD order number E371.
j. UP 1025-1035 were built on EMD order number E476.
k. UP 1036-1050 were built on EMD order number E683.
l. UP 1051-1075 were built on EMD order number E820.
m. UP 1076-1095 were built on EMD order number E998.
   

Alco S-2 -- 19 units
1000 horsepower; B-B trucks; 230,000 pounds operating weight

Road
Number
Builder
Date
Builder
Number
Notes
UP 1036 Sep 1943 70228 Renumbered to UP 1100 in May 1945.
UP 1037 Sep 1943 70229 Renumbered to UP 1101 in May 1945.
UP 1038 Sep 1943 70230 Renumbered to UP 1102 in May 1945.
UP 1039 Oct 1943 70231 Renumbered to UP 1103 in May 1945.
UP 1040 Nov 1943 71274 Renumbered to UP 1104 in June 1945.
UP 1041 Nov 1943 71275 Renumbered to UP 1105 in May 1945.
UP 1042 Nov 1943 71276 Renumbered to UP 1106 in May 1945.
UP 1043 Nov 1943 71277 Renumbered to UP 1107 in May 1945.
UP 1044 Dec 1943 71278 Renumbered to UP 1108 in June 1945.
UP 1045 Dec 1943 71279 Renumbered to UP 1109 in May 1945.
UP 1046 Dec 1943 71280 Renumbered to UP 1110 in May 1945.
UP 1047 Dec 1943 71281 Renumbered to UP 1111 in May 1945.
UP 1048 Dec 1943 71282 Renumbered to UP 1112 in June 1945.
UP 1049 Jan 1944 71998 Renumbered to UP 1113 in June 1945.
UP 1050 Jan 1944 71999 Renumbered to UP 1114 in June 1945.
UP 1051 Jan 1944 72000 Renumbered to UP 1115 in June 1945.
UP 1052 Jan 1944 72001 Renumbered to UP 1116 in May 1945.
UP 1053 Feb 1944 72013 Renumbered to UP 1117 in May 1945.
UP 1054 Feb 1944 72014 Renumbered to UP 1118 in May 1945.

General Notes:

a. UP 1036-1054 were ordered and delivered to UP in lieu of additional EMD NW2 switchers. UP had ordered 25 NW2s in August 1941. On 7 July 1942, after 11 of the 25 units were delivered, the remaining 14 units were canceled by the War Production Board. UP's requirement for additional yard switchers was filled a year later with these 19 Alco S-2s.
b. UP 1036-1054 delivered in UP's black switcher paint scheme, repainted to yellow in late 1947, after being renumbered to the 1100-series.
c. UP 1036-1039 had Alco order number S-1883.
d. UP 1040-1048 had Alco order number S-1914.
e. UP 1049-1054 had Alco order number S-1930.
   

BLW VO-1000 -- 6 units
1000 horsepower; B-B trucks; 240,700 pounds operating weight

Road
Number
Builder
Date
Builder
Number
Date In
Service
Notes
UP 1055 Feb 1944 70148 25 Feb 1944 Renumbered to UP 1205 in May 1945.
UP 1056 Feb 1944 70147 25 Feb 1944 Renumbered to UP 1204 in May 1945.
UP 1057 Oct 1943 69777 26 Oct 1943 Renumbered to UP 1203 in May 1945.
UP 1058 Oct 1943 69776 26 Oct 1943 Renumbered to UP 1202 in May 1945.
UP 1059 Oct 1943 69775 26 Oct 1943 Renumbered to UP 1201 in May 1945.
UP 1060 Oct 1943 69672 15 Oct 1943 Renumbered to UP 1200 in May 1945.

General Notes:

a. UP 1055-1060 were numbered in reverse order of their builder's number sequence for unknown reasons; renumbered to UP 1200-1205 in builder's number sequence in May 1945.
b. UP 1055-1060 delivered in UP's black switcher paint scheme, repainted to yellow in late 1947, after being renumbered to the 1200-series.
c. UP 1055, 1056 had Baldwin order number 43506-A.
d. UP 1057-1059 had Baldwin order number 43502-B.
e. UP 1060 had Baldwin order number 42530-J.
   

EMD MP15DC -- 15 units
1500 horsepower; B-B trucks; 246,000 pounds operating weight

Road
Number
Previous
Number
Builder
Date
Builder
Number
Date To
1000 Series
1300 Series
Number
Date To
1300 Series
UP 1000 UP 1275 Jun 1974 73694-4 Jun 1985 UP 1300 3 Jun 1987
UP 1001 UP 1276 Jun 1974 73694-3 Jun 1985 UP 1301 26 May 1987
UP 1002 UP 1277 Jun 1974 73694-2 May 1985 UP 1302 9 Jun 1987
UP 1003 UP 1278 Jul 1974 73694-10 May 1985 UP 1303 18 Jun 1987
UP 1004 UP 1279 Jul 1974 73694-8 Jun 1985 UP 1304 16 Jun 1987
UP 1005 UP 1280 Jul 1974 73694-7 Jun 1985 UP 1305 8 Sep 1987
UP 1006 UP 1281 Jun 1974 73694-6 May 1985 UP 1306 4 Sep 1987
UP 1007 UP 1282 Jun 1974 73694-1 Jun 1985 UP 1307 4 Aug 1987
UP 1008 UP 1283 Jul 1974 73694-5 Jun 1985 UP 1308 15 Sep 1987
UP 1009 UP 1284 Jul 1974 73694-9 May 1985 UP 1309 1 Oct 1987
UP 1010 P&LE 1584 May 1975 74668-1 May 1985 UP 1310 2 Nov 1987
UP 1011 P&LE 1587 May 1975 74668-4 May 1985 UP 1311 14 Dec 1987
UP 1012 P&LE 1588 May 1975 74668-5 Jun 1985 UP 1312 21 Sep 1987
UP 1013 P&LE 1596 May 1975 74668-13 Jun 1985 UP 1313 12 Nov 1987
UP 1014 P&LE 1598 May 1975 74668-15 May 1985 UP 1314 2 Dec 1987

General Notes:

a. UP 1000-1009 were built as Pittsburgh & Lake Erie (P&LE) units; purchased second-hand by UP in December 1984; delivered in mid February 1985, renumbered to UP 1275-1284 series in February and March 1985, renumbered to UP 1000-1009 series in May and June 1985.
b. UP 1010-1014 were built as Pittsburgh & Lake Erie (P&LE) units; purchased second-hand by UP in December 1984; delivered in late April 1985; numbered UP 1010-1014 in May and June 1985.
c. Renumbered to UP 1300-1314 series in May to December 1987 (UP 1001 was the first, completed as UP 1301 on 26 May 1987, UP 1011 was the last, completed as UP 1311 on 14 December 1987).
d. UP added side handrails for improved safety.
e. Individual unit histories:
  Road
Number
First
Number
Second
Number
Third
Number
Date To
1275 Series
Date To
UP Paint
  UP 1000 P&LE 1577 UP 1275   Feb 1985  
  UP 1001 P&LE 1576 UP 1276   Feb 1985  
  UP 1002 P&LE 1575 UP 1277   Feb 1985  
  UP 1003 P&LE 1583 UP 1278   Feb 1985 20 Apr 1985
  UP 1004 P&LE 1581 UP 1279   Feb 1985  
  UP 1005 P&LE 1580 UP 1280   Feb 1985  
  UP 1006 P&LE 1579 UP 1281   Feb 1985  
  UP 1007 P&LE 1574 UP 1574 UP 1282 19 Mar 1985  
  UP 1008 P&LE 1578 UP 1283   Feb 1985  
  UP 1009 P&LE 1582 UP 1284   Feb 1985 18 Apr 1985
  UP 1010 P&LE 1584        
  UP 1011 P&LE 1587        
  UP 1012 P&LE 1588        
  UP 1013 P&LE 1596        
  UP 1014 P&LE 1598        
             

Alco S-2 -- 54 units
1000 horsepower; B-B trucks; 230,000 pounds operating weight

Road
Number
First
Number
Builder
Date
Builder
Number
Date
Retired

Notes
UP 1100 UP 1036 Sep 1943 70228 Apr 1968 Traded to EMD in June 1968.
UP 1101 UP 1037 Sep 1943 70229 Mar 1969 Traded to EMD in March 1969.
UP 1102 UP 1038 Sep 1943 70230 Oct 1971 Traded to EMD in October 1971.
UP 1103 UP 1039 Oct 1943 70231 Jan 1968 Traded to EMD in April 1968.
UP 1104 UP 1040 Nov 1943 71274 Mar 1969 Traded to EMD in March 1969.
UP 1105 UP 1041 Nov 1943 71275 Apr 1968 Traded to EMD in April 1968.
UP 1106 UP 1042 Nov 1943 71276 Mar 1969 Traded to EMD in April 1969.
UP 1107 UP 1043 Nov 1943 71277 Feb 1968 Traded to EMD in April 1968.
UP 1108 UP 1044 Dec 1943 71278 Feb 1968 Traded to EMD in April 1968.
UP 1109 UP 1045 Dec 1943 71279 Feb 1970 Traded to EMD in February 1970.
UP 1110 UP 1046 Dec 1943 71280 Apr 1968 Traded to EMD in April 1968.
UP 1111 UP 1047 Dec 1943 71281 Feb 1969 Traded to EMD in February 1969.
UP 1112 UP 1048 Dec 1943 71282 Nov 1971 Traded to EMD in November 1971.
UP 1113 UP 1049 Jan 1944 71998 Dec 1969 Traded to EMD in December 1969.
UP 1114 UP 1050 Jan 1944 71999 May 1968 Traded to EMD in May 1968.
UP 1115 UP 1051 Jan 1944 72000 Mar 1968 Traded to EMD in May 1968.
UP 1116 UP 1052 Jan 1944 72001 Jul 1970 Traded to EMD in July 1970.
UP 1117 UP 1053 Feb 1944 72013 Mar 1969 Traded to EMD in March 1969.
UP 1118 UP 1054 Feb 1944 72014 Jan 1968 Traded to EMD in April 1968.
UP 1119   Jun 1945 73369 Apr 1969 Traded to EMD in April 1969.
UP 1120   Jun 1945 73370 Dec 1971 Traded to EMD in December 1971.
UP 1121   Jun 1945 73371 Sep 1969 Traded to EMD in September 1969.
UP 1122   Jun 1945 73372 Sep 1969 Traded to EMD in September 1969.
UP 1123   Jun 1945 73373 Nov 1971 Traded to EMD in November 1971.
UP 1124   Jun 1945 73374 Sep 1969 Traded to EMD in September 1969.
UP 1125   Jun 1945 73390 Aug 1969 Traded to EMD in August 1969.
UP 1126   Jun 1945 73391 Oct 1969 Traded to EMD in October 1969.
UP 1127   Jul 1945 73392 Oct 1971 Traded to EMD in October 1971.
UP 1128   Jul 1945 73393 Mar 1968 Traded to EMD in March 1968.
UP 1129   Aug 1945 73612 Aug 1969 Traded to EMD in August 1969.
UP 1130   Aug 1945 73613 Jul 1969 Traded to EMD in October 1969.
UP 1131   Aug 1945 73614 Nov 1969 Traded to EMD in February 1970.
UP 1132   Aug 1945 73615 Feb 1969 Traded to EMD in February 1969.
UP 1133   Aug 1945 73616 Feb 1968 Traded to EMD in April 1968.
UP 1134   Oct 1945 74337 Oct 1969 Traded to EMD in November 1969.
UP 1135   Oct 1945 74338 Oct 1971 Traded to EMD in October 1971.
UP 1136   Oct 1945 74339 Jan 1968 Traded to EMD in March 1968.
UP 1137   Oct 1945 74340 Feb 1971 Traded to EMD in February 1971.
UP 1138   Oct 1945 74341 Aug 1970 Traded to EMD in August 1970.
UP 1139   Oct 1945 74342 Mar 1968 Traded to EMD in April 1968.
UP 1140   Nov 1945 74439 Aug 1969 Traded to EMD in October 1969.
UP 1141   Nov 1945 74440 Oct 1971 Traded to EMD in October 1971.
UP 1142   Nov 1945 74441 Mar 1969 Traded to EMD in March 1969.
UP 1143   Nov 1945 74442 Nov 1971 Traded to EMD in November 1971.
UP 1144   Dec 1945 74443 Oct 1971 Traded to EMD in October 1971.
UP 1145   Dec 1945 74444 Nov 1969 Traded to EMD in March 1970.
UP 1146   Dec 1945 74445 Feb 1969 Traded to EMD in February 1969.
UP 1147   Dec 1945 74446 Jun 1968 Traded to EMD in June 1968.
UP 1148   Dec 1945 74447 Mar 1969 Traded to EMD in March 1969.
UP 1149   Dec 1945 74448 Jun 1970 Traded to EMD in June 1970.
UP 1150   Dec 1945 74449 May 1968 Traded to EMD in June 1968.
UP 1151   Dec 1945 74450 Jun 1969 Traded to EMD in June 1969.
UP 1152   Jan 1946 74451 May 1969 Traded to EMD in May 1969.
UP 1153   Jan 1946 74452 Apr 1968 Traded to EMD in April 1968.

General Notes:

a. UP 1100-1118 built as 1036-1054; Renumbered to UP 1100-1153 in May and June 1945 to make room for additional EMD NW2s.
b. UP 1100-1118, as UP 1036-1054, were delivered in UP's early black switcher paint scheme, repainted to yellow in late 1947.
c. UP 1100, as 1036, was delivered to UP on 22 September 1943.
d. UP 1126 and 1128 were equipped for multiple unit operation.
e. UP 1105, 1112, 1114, 1119, 1122, 1126, 1147, 1148, and 1153 (nine units) were assigned to the South-Central District (Salt Lake City, Las Vegas, and Los Angeles) during early 1953. During February and March 1953 each unit had the D.S. (Diesel Switch) prefix removed from its 1100-series number.
f. Alco order numbers:
  Road
Number
Alco Order
Number
  UP 1100-1103 S-1883
  UP 1104-1112 S-1914
  UP 1113-1118 S-1930
  UP 1119-1128 S-1965
  UP 1129-1133 S-1970
  UP 1134-1139 S-3002
  UP 1140-1153 S-3005
     

Alco S-4 -- 45 units
1000 horsepower; B-B trucks; 247,700 pounds operating weight

Road
Number
Builder
Date
Builder
Number
Date
Retired

Notes
UP 1154 Jun 1955 81336 Nov 1971 Traded to EMD in November 1971.
UP 1155 Jun 1955 81337 Dec 1971 Traded to EMD in December 1971.
UP 1156 Jun 1955 81338 Sep 1971 Traded to EMD in September 1971.
UP 1157 Jun 1955 81339 Aug 1970 Traded to EMD in August 1970.
UP 1158 Jun 1955 81340 Feb 1970 Traded to EMD in March 1970.
UP 1159 Jun 1955 81341 Jul 1970 Traded to EMD in August 1970.
UP 1160 Jun 1955 81342 Jun 1970 Traded to EMD in June 1970.
UP 1161 Jun 1955 81343 Nov 1971 Traded to EMD in November 1971.
UP 1162 Jun 1955 81344 Oct 1971 Traded to EMD in October 1971.
UP 1163 Jun 1955 81385 Jun 1970 Traded to EMD in June 1970.
UP 1164 Jun 1955 81386 Aug 1970 Traded to EMD in August 1970.
UP 1165 Jun 1955 81387 Aug 1970 Traded to EMD in August 1970.
UP 1166 Jun 1955 81388 Mar 1972 Sold to Chrome Crankshaft Co., Chicago, Illinois, in March 1972; sold to Stauffer Chemical 1166, Silver Bow, Montana, in May 1972; sold to Scoular Grain Co.
UP 1167 Jul 1955 81389 Jul 1970 Traded to EMD in July 1970.
UP 1168 Jul 1955 81390 Aug 1970 Traded to EMD in August 1970.
UP 1169 Jul 1955 81391 Oct 1971 Traded to EMD in November 1971.
UP 1170 Jul 1955 81392 Jan 1972 Traded to EMD in January 1972.
UP 1171 Jul 1955 81393 Mar 1972 Sold to Chrome Crankshaft Co., Chicago, Illinois, in March 1972; sold to Yreka Western Railroad 1171, Yreka, California, in July 1972.
UP 1172 Jul 1955 81394 Mar 1972 Sold to Chrome Crankshaft Co., Chicago, Illinois, in March 1972; sold to Yreka Western Railroad 1172, Yreka, California, in July 1972; sold to Pend Oreille Valley Railroad 101, Newport, Washington, in November 1979.
UP 1173 Jul 1955 81395 Jun 1970 Traded to EMD in June 1970.
UP 1174 Nov 1955 81443 Oct 1971 Traded to EMD in November 1971.
UP 1175 Nov 1955 81444 Jan 1972 Traded to EMD in January 1972.
UP 1176 Nov 1955 81445 Aug 1970 Traded to EMD in August 1971.
UP 1177 Nov 1955 81446 Oct 1971 Traded to EMD in October 1971.
UP 1178 Dec 1955 81447 Feb 1972 Traded to EMD in February 1972.
UP 1179 Dec 1955 81448 Oct 1971 Traded to EMD in October 1971.
UP 1180 Dec 1955 81449 Jun 1970 Traded to EMD in June 1970.
UP 1181 Dec 1955 81450 Jan 1972 Traded to EMD in January 1972.
UP 1182 Dec 1955 81451 Feb 1971 Traded to EMD in February 1971.
UP 1183 Dec 1955 81452 Oct 1971 Traded to EMD in October 1971.
UP 1184 Dec 1955 81453 Feb 1970 Traded to EMD in February 1970.
UP 1185 Dec 1955 81454 Aug 1970 Traded to EMD in August 1970.
UP 1186 Dec 1955 81455 Jul 1970 Traded to EMD in July 1970.
UP 1187 Dec 1955 81825 Oct 1971 Traded to EMD in October 1971.
UP 1188 Dec 1955 81826 Feb 1972 Traded to EMD in February 1972
UP 1189 Jan 1956 81827 Feb 1971 Traded to EMD in February 1971.
UP 1190 Jan 1956 81828 May 1972 Traded to EMD in May 1972.
UP 1191 Jan 1956 81829 Oct 1971 Traded to EMD in October 1971.
UP 1192 Jan 1956 81830 Oct 1971 Traded to EMD in October 1971.
UP 1193 Jan 1956 81831 Nov 1971 Traded to EMD in November 1971.
UP 1194 Feb 1956 81832 Dec 1971 Traded to EMD in December 1971.
UP 1195 Mar 1956 81833 Sep 1971 Traded to EMD in September 1971.
UP 1196 Mar 1956 81834 Jan 1970 Traded to EMD in February 1970.
UP 1197 Mar 1956 81835 Jun 1970 Traded to EMD in June 1970.
UP 1198 Mar 1956 81836 Oct 1971 Traded to EMD in October 1971.

General Notes:

a. UP 1154-1198 were equipped for multiple unit operation.
b. UP 1195 was equipped with snowplow pilot and number boards for branchline service; used on the Kearney (Nebraska) Branch between December 1958 and June 1970.
c. UP 1184, 1185, 1191, and 1194 (four units) were assigned to the South-Central District (Salt Lake City, Las Vegas, and Los Angeles) during early 1953. During February and March 1953 each unit had the D.S. (Diesel Switch) prefix removed from its 1100-series number.
d. Alco order numbers:
  Road
Number
Alco Order
Number
  UP 1154-1162 S-3244
  UP 1163-1173 S-3248
  UP 1174-1186 S-3251
  UP 1187-1198 S-3263
     

Alco RSC-2 -- 10 units
1500 horsepower; A1A-A1A trucks; operating weight: (see general note, below)

Road
Number
Builder
Date
Builder
Number

Notes
UP 1180 Mar 1948 75693 Renumbered to UP 1280 in October 1955.
UP 1181 Apr 1948 75936 Renumbered to UP 1281 in October 1955.
UP 1182 Apr 1948 75937 Renumbered to UP 1282 in October 1955.
UP 1183 Apr 1948 75938 Renumbered to UP 1283 in October 1955.
UP 1184 Apr 1948 75939 Renumbered to UP 1284 in October 1955.
UP 1185 Apr 1948 75940 Renumbered to UP 1285 in October 1955.
UP 1106 Apr 1948 75941 Renumbered to UP 1286 in October 1955.
UP 1187 Apr 1948 75947 Renumbered to UP 1287 in October 1955.
UP 1188 Apr 1948 75948 Renumbered to UP 1288 in October 1955.
UP 1189 Apr 1948 75949 Renumbered to UP 1289 in October 1955.

General Notes:

a. UP 1180-1189 were built with 235,000 pounds operating weight and 156,600 pounds weight on drivers.
b. UP 1182, 1183, 1186, 1187, 1188, and 1189 were re-ballasted to 274,000 pounds operating weight and 193,900 pounds weight on drivers, which included an additional 800 gallon fuel tank.
c. UP 1184 and 1185 were re-ballasted to 264,400 pounds operating weight and 188,100 pounds weight on drivers.
d. UP 1181, 1182, 1187, and 1189 were equipped for multiple unit operation.
e. UP 1185 was used briefly in helper service on Cajon Pass in Southern California during 1949.
f. UP 1180 had Alco order number S-3053 (shared with UP RS-2s 1193, 1194)
g. UP 1181-1189 had Alco order number S-3063.
   

Alco RSC-2 -- 1 unit
1500 horsepower; A1A-A1A trucks; operating weight: (see general note, below)

Road
Number
First
Number
Builder
Date
Builder
Number

Notes
UP 1190 Alco 1190 Feb 1947 75136 Renumbered to UP 1290 in October 1955.

General Notes:

a. UP 1190 was built as Alco demonstrator 1190, in UP yellow and gray paint; sold to UP on 19 March 1948.
b. UP 1190 had Alco order nnumber S-3024.
   

Alco RS-2 -- 5 units
1500 horsepower; B-B trucks; 250,000 pounds operating weight

Road
Number
Builder
Date
Builder
Number
Notes
UP 1191 Feb 1947 75266 Renumbered to UP 1291 in October 1955.
UP 1192 Feb 1948 75572 Renumbered to UP 1292 in October 1955.
UP 1193 Feb 1948 75691 Renumbered to UP 1293 in October 1955.
UP 1194 Feb 1948 75692 Renumbered to UP 1294 in October 1955.
UP 1195 Jan 1949 76240 Renumbered to UP 1295 in October 1955.

General Notes:

a. Alco order numbers:
  Road
Number
Alco Order
Number
  UP 1191 S-3029
  UP 1192 S-3046
  UP 1193, 1194 S-3053 (shared with UP RSC-2 1180)
  UP 1195 S-3074

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