All Time UP Diesel Roster, Part 31

EMD SW7 — 25 units
1200 horsepower; B-B trucks; 246,000 pounds operating weight

Road Number	Builder Date	Builder Number	Date Retired	Rebuilt To SW10	Date Rebuilt	Notes
1800	Aug 1950	10752		1248	Mar 1983
1801	Aug 1950	10753		1251	30 Jul 1983
1802	Aug 1950	10754		1245	Feb 1983
1803	Aug 1950	10755	Dec 1978			1
1804	Aug 1950	10756		1246	Feb 1983
1805	Sep 1950	10757		1260	Jul 1984
1806	Sep 1950	10758		1236	30 Jul 1982
1807	Sep 1950	10759		1252	30 Sep 1983
1808	Sep 1950	10760		1247	Mar 1983
1809	Sep 1950	10761	Feb 1977			2
1810	Oct 1950	10762		1237	30 Jul 1982
1811	Oct 1950	10763	Jan 1985			3
1812	Oct 1950	10764	Jun 1981			4
1813	Oct 1950	10765		1255	Sep 1983
1814	Oct 1950	10766		1249	30 Jun 1983
1815	Nov 1950	10767		1239	Aug 1982
1816	Nov 1950	10768		1254	30 Sep 1983
1817	Nov 1950	10769		1231	28 Feb 1982
1818	Nov 1950	10770	1 Jun 1984			5
1819	Nov 1950	10771	May 1978			6
1820	Nov 1950	10772		1256	Oct 1983
1821	Nov 1950	10773		1243	30 Nov 1982
1822	Nov 1950	10774		1238	Aug 1982
1823	Nov 1950	10775		1250	30 Jun 1983
1824	Nov 1950	10776		1233	30 Jun 1982

General Notes:

a.	Built with 65:12 gear ratio and later changed to 62:15 gear ratio.
b.	UP 1811 was the last operating SW7 on UP.
c.	Nineteen units rebuilt by UP to SW10s.
d.	Built on EMD order number 4038.

Notes:

1.	UP 1803 was sold to Chrome Crankshaft Co., Chicago, Ill., 10 December 1979; sold to Air Products, Pace, Fla.
2.	UP 1809 was sold to Chrome Crankshaft Co., Chicago, Ill., in February 1977; rebuilt by CRI&P-Silvis; sold to Illinois Terminal 1220 in August 1979.
3.	UP 1811 was sold for scrap to Durbano, Ogden, Utah in February 1986.
4.	The cab from UP 1812 used to repair wreck damaged SW10 1205 in July 1981; remaining portion scrapped by UP at Omaha, Neb., during October 1981.
5.	UP 1818 was wrecked on 28 January 1983 at The Dalles, Ore; stripped of usable parts (to be used in SW10 program) by UP at Omaha, Neb.; frame (loaded on a flat car) sold to Precision National Corp., Mount Vernon, Ill., 20 April 1987.
6.	UP 1819 was sold to Precision National Corp., Mount Vernon, Ill., in October 1978; sold to Sahara Coal 1819; stored at by Crab Orchard & Egyptian, along with Sahara Coal's SW1; advertised for sale by Southern Illinois Used Machinery, Marion, Ill., in April 1995; sold to Mid-Am Equipment, Inc. and moved for lease to Nevada Industrial Switching at Exeter, Calif.; never actually used by NIS; sold to David J. Joseph Co. on September 1, 1999; sold to new DJJ subsidiary, Joseph Transportation, Inc. and currently (2002) used as JTPX 1209 in lease service by Lehigh Southwest Cement Co-Redding, Mountain Gate, Calif. (updated August 4, 2002, from information furnished by Edward Bridges, Bob Lehmuth, and Randy Keller)

EMD SW9 — 42 units
1200 horsepower; B-B trucks; 12-567B engine; 247,100 pounds operating weight

Road Number	Builder Date	Builder Number	Date Retired	Rebuilt To SW10	Date Rebuilt	Notes
1825	Apr 1953	17805		1219	30 Apr 1981
1826	Apr 1953	17806		1240	Sep 1982
1827	Apr 1953	17807	Oct 1977			1
1828	Apr 1953	17808		1208	4 Sep 1980
1829	Apr 1953	17809		1258	30 Nov 1983
1830	Apr 1953	17810	Sep 1976			2
1831	Apr 1953	17811	Aug 1978	1210	31 Oct 1980
1832	Apr 1953	17812		1221	30 May 1981
1833	Apr 1953	17813		1230	10 Feb 1982
1834	Apr 1953	17814		1242	30 Oct 1982
1835	Apr 1953	17815		1225	30 Sep 1981
1836	Apr 1953	17816		1212	15 Dec 1980
1837	Apr 1953	17817		1259	30 Dec 1983
1838	Apr 1953	17818		1265	Sep 1984
1839	Apr 1953	17819	May 1978	1201	Nov 1979	3
1840	Apr 1953	17820		1244	30 Dec 1982
1841	Apr 1953	17821		1253	30 Sep 1983
1842	Apr 1953	17822	Oct 1977			4
1843	Apr 1953	17823	30 Mar 1981			5
1844	Apr 1953	17824		1217	30 Mar 1981
1845	Apr 1953	17825	Aug 1978			6
1846	Apr 1953	17826	Aug 1978	1220	30 Apr 1981
1847	Oct 1953	18835		1211	26 Nov 1980
1848	Oct 1953	18836	Aug 1978	1200	Sep 1979	7
1849	Oct 1953	18837		1222	30 Jun 1981
1850	Oct 1953	18838		1206	14 Jul 1980
1851	Oct 1953	18839		1215	30 Jan 1981
1852	Oct 1953	18840		1216	27 Feb 1981
1853	Oct 1953	18841		1204	17 Apr 1980
1854	Oct 1953	18842		1254	23 Jan 1981
1855	Oct 1953	18843		1232	31 Mar 1982
1856	Oct 1953	18844		1224	30 Jul 1981
1857	Oct 1953	18845		1223	30 Jun 1981
1858	Oct 1953	18846		1226	30 Sep 1981
1859	Oct 1953	18847		1207	25 Aug 1980
1860	Oct 1953	18848		1218	30 Mar 1981
1861	Oct 1953	18849		1209	9 Oct 1980
1862	Nov 1953	18850		1213	2 Jan 1981
1863	Nov 1953	18851	Feb 1977			8
1864	Nov 1953	18852		1203	9 Mar 1980
1865	Nov 1953	18853		1205	21 May 1980
1866	Nov 1953	18854		1202	25 Jan 1980

General Notes:

a.	Originally equipped with 65:12 gear ratio and later changed to 62:15 gear ratio.
b.	UP 1831 and 1846 were retired during 1978 and were reinstated and rebuilt to SW10s; other units not retired prior to being rebuilt to SW10s.
c.	UP 1839 was retired in May 1978 and was reinstated and rebuilt to SW10 1839 in November 1979. SW10 1839 was renumbered to SW10 1201 on 1 April 1980.
d.	UP 1848 was retired in August 1978, but was reinstated to the roster and rebuilt to the first SW10, with work starting in October 1978. UP SW10 1848 was released from Omaha shops on 2 August 1979. SW10 1848 was renumbered to SW10 1200 on 13 March 1980.
e.	Thirty-six units rebuilt by UP to SW10s.
f.	UP 1825-1846 were built on EMD order number 4133.
g.	UP 1847-1866 were built on EMD order number 4216.

Notes:

1.	UP 1827 was wrecked in July 1977 at Albina (Portland), Ore; sold to Precision National Corp., Mount Vernon, Ill., in October 1977.
2.	UP 1830 was sold to Industrial Maintenance Services, Hammond, Ind., in September 1976; sold to Youngstown & Northern 302; sold to Union Railroad 588; sold to Birmingham Southern 588.
3.	UP 1839 was rebuilt to SW10 1839 in November 1979, renumbered to UP 1201, 1 April 1980.
4.	UP 1842 was wrecked in July 1977 at Albina (Portland), Ore; sold to Precision National Corp., Mount Vernon, Ill., in October 1977; sold to Tacoma Municipal Belt Line Railway 1200, Tacoma, Wash., in July 1978; sold to Mount Vernon Terminal 1200, Mount Vernon, Wash., in August 1993.
5.	UP 1843 was scrapped by UP at Omaha in March 1981.
6.	UP 1845 was wrecked; sold to Chrome Crankshaft Co., Chicago, Ill., in November 1978.
7.	UP 1848 was rebuilt to SW10 1848 in August 1979, renumbered to UP 1200, 13 March 1980.
8.	UP 1863 was sold to Chrome Crankshaft Co., Chicago, Ill., in February 1977; sold to Weyerhauser Timber D-21, Mount Pine, Ark., inJuly 1977; sold to Kaiser Cement 881-005, Cupertino, Calif.

EMD TR5A — 8 units
1200 horsepower; B-B trucks; 248,200 pounds operating weight; 494,700 pounds total cow/calf operating weight

Road Number	Builder Date	Builder Number	Date Retired	Rebuilt To SW10	Date Rebuilt	Notes
1870	Sep 1951	15068	Jun 1976			1
1871	Sep 1951	15069		1241	30 Sep 1982
1872	Sep 1951	15070		1234	30 Jun 1982
1873	Oct 1951	15071		1229	30 Dec 1981
1874	Oct 1951	15072		1227	30 Oct 1981
1875	Oct 1951	15073		1235	30 Jun 1981
1876	Oct 1951	15074		1228	30 Nov 1981
1877	Oct 1951	15075		1257	Mar 1984

General Notes:

a.	UP 1870-1877 were equipped with dynamic braking in late 1952 for helper service on the South-Central District on Cajon Pass in California, and on Cima Hill in Nevada; dynamic braking was removed from 1870, 1871, and 1872 during September 1968; dynamic braking was removed on 1873, 1876, and 1877 in 1972-74; dynamic braking was removed from UP 1874 and 1875 at Salt Lake City, Utah in June 1974.
b.	UP 1870-1877 were assigned to helper service on the South-Central District during early 1953; during February and March 1953 each unit had the D.S. (Diesel Switch) prefix removed from its 1870-series number.
c.	UP 1870-1872 were modified with 1400 gallon fuel tanks (originally equipped with 600 gallon fuel tanks) and air reservoirs on top of car body in September 1968 for service on the North Platte, Neb., hump yards. After being modified, they had 521,600 pounds total cow/calf operating weight
d.	UP 1872 was mated with UP 1870B in June 1976 after retirement of UP 1870 and UP 1872B.
e.	UP 1876 operated alone, without 1876B, at Provo, Utah, during February 1981.
f.	Seven units rebuilt by UP to SW10s.
g.	Built on EMD order number 6284-A.

Note:

1.	UP 1870 was retired due to electrical failure; sold to Industrial Maintenance Services, Hammond, Ind., in September 1976; sold to EJ&E 308; sold to Econo-Rail (ECRX) 308, in national lease service at Plantation Foods, Temple, Tex., in October 1994.

EMD TR5B — 8 units
1200 horsepower; B-B trucks; 246,500 pounds operating weight; 494,700 pounds total cow/calf operating weight

Road Number	Builder Date	Builder Number	Date Retired	Notes
1870B	Sep 1951	15076	Apr 1982	Scrapped by UP at Omaha, Neb., in June 1982.
1871B	Sep 1951	15077	Apr 1982	Scrapped by UP at Omaha, Neb., in September 1982.
1872B	Sep 1951	15078	Jun 1976	Sold for scrap to Industrial Maintenance Services, Hammond, Ind., in September 1976; sold to EJ&E 309; sold to Econo-Rail (ECRX) 309.
1873B	Oct 1951	15079	8 Sep 1981	Scrapped by UP at Omaha, Neb., in June 1982.
1874B	Oct 1951	15080	8 Sep 1981	Scrapped by UP at Omaha, Neb., in June 1982.
1875B	Oct 1951	15081	Apr 1982	Scrapped by UP at Omaha, Neb., in June 1982.
1876B	Oct 1951	15082	Nov 1981	Scrapped by UP at Omaha, Neb., in September 1982.
1877B	Oct 1951	15083	Jan 1984	Retired due to engine failure; sold for scrap to Durbano, Ogden, Utah, 1 October 1984.

General Notes:

a.	UP 1870B-1877B were assigned to helper service on the South-Central District during early 1953; during February and March 1953 each unit had the D.S. (Diesel Switch) prefix removed from its 1870-series number.
b.	UP 1870B mated with UP 1872 in June 1976 after retirement of UP 1870 and UP 1872B.
c.	Built on EMD order number 6284-B.

EMD GP38-2 — 29 units
2000 horsepower; B-B trucks; 269,000 pounds operating weight

Road Number	Previous Number	Builder Date	Builder Number	Date To 1800 Series	300 Series Number	Date To 300 Series
1800	HL 2009	Jan 1972	7344-1	2 Oct 1989	300	1 Apr 2001
1801	HL 2010	Jan 1972	7344-2	20 Oct 1989	301	8 Mar 2001
1802	HL 2337	Jan 1972	7344-3	7 Dec 1989	302	25 Jun 2000
1803	HL 2338	Jan 1972	7344-4	12 May 1989	303	15 Nov 2000
1804	HL 2013	Jan 1972	7344-5	14 May 1990	304	2 May 2001
1805	HL 2014	Jan 1972	7344-6	8 Sep 1989	305	6 Oct 2000
1806	HL 2015	Jan 1972	7344-7	10 Apr 1991	306	15 Oct 2002
1807	HL 2016	Jan 1972	7344-8	3 Oct 1990	307	23 May 2002
1808	HL 2020	Jan 1972	7344-12	31 Jul 1989	308	18 Nov 2001
1809	HL 2023	Jan 1972	7344-15	12 Oct 1990	309	23 Oct 2001
1810	HL 2024	Jan 1972	7344-16	15 Nov 1990	310	31 Oct 2003
1811	HL 2029	Jan 1972	7344-21	11 Jan 1990	311	23 Apr 2003
1812	HL 2032	Jan 1972	7344-24	21 Nov 1991	312	6 Jan 2004
1813	HL 2033	Jan 1972	7344-25	20 Apr 1990	313	31 Jan 2004
1814	HL 2034	Jan 1972	7344-26	24 Aug 1990	314	14 Feb 2003
1815	HL 2362	Jan 1972	7344-28	15 Sep 1989	315	25 Jan 2000
1816	HL 2038	Jan 1972	7344-30	28 Aug 1989	316	14 Jan 2004
1817	HL 2374	Jan 1972	7344-40	28 Jun 1989	317	8 Jan 2004
1818	HL 2375	Jan 1972	7344-41	14 Jul 1989	318	20 Nov 2003
1819	HL 2377	Jan 1972	7344-43	26 Jun 1989	319	6 Apr 2000
1820	HL 2055	Sep 1972	72759-2	15 Mar 1989	320	20 Sep 2000
1821	HL 2384	Oct 1972	72759-5	11 Jul 1989	321	14 Dec 2003
1822	HL 2385	Oct 1972	72759-6	28 Feb 1989	322	4 Mar 2002
1823	HL 2065	Oct 1972	72659-2	8 May 1991	323	28 Feb 2004
1824	HL 2069	Oct 1972	72659-6	2 Oct 1989	324	22 Jan 2002
1825	HL 2070	Oct 1972	72659-7	23 Jul 1990	325	6 Feb 2004
1826	HL 2071	Oct 1972	72659-8	27 Jun 1989	326	11 Feb 2004
1827	HL 2072	Oct 1972	72659-9	5 Jul 1989	327	5 Nov 2003
1828	HL 2073	Oct 1972	72659-10	26 May 1989	328	9 Feb 2004

General Notes:

a.	Total of 29 units to UP, numbered UP 1800-1828; leased from Helm Financial.
b.	Delivered to UP in February 1989; repainted to Union Pacific in February 1989 through November 1991 (UP 1822, ex UP 2385/MP 2059, was the first, completed on 28 February 1989, and UP 1812, ex MP 2032, was the last, completed on 21 November 1991).
c.	Built as MP 900 series units, renumbered to MP 2000 series units in 1974; seven units renumbered to UP 2300 series numbers in 1986.
d.	Part of a 64 unit group of locomotives (ex MP 2009-2073) previously on 15 year lease to MP, which were returned to their owner/lessor by UP upon expiration of the leases in July 1987 and January 1988; sold to Helm Financial; 35 of these 64 units were rebuilt by Grand Trunk's Battle Creek, Mich., shops and renumbered to GT 5700-5734.
e.	The above 29 units were leased to other roads by Helm Financial (HL) until they arrived back on Union Pacific in late February 1989 in their original MP/UP (HL) 2000/2300 series road numbers.
f.	UP 1802, 1803, 1815, 1818, and 1819 were in service as UP 2337, 2338, 2362, 2375, and 2377 from 1986 until their first retirement by UP in 1987; these same UP numbers are now assigned to former MKT GP39-2s.
g.	Since October 1990, many UP 1800-class GP38-2s have been working in back-to-back pairs in switch service at UP's system hump yards; UP 1800-1803 are assigned to Hinkle, Ore., and UP 1804-1809 are assigned to Pocatello, Idaho.
h.	Not equipped with dynamic braking.
i.	Renumbered to UP 300-328.
j.	Individual unit histories:

Road Number	First Number	Second Number	Third Number	Fourth Number
1800	MP 858	MP 2009	HL 2009
1801	MP 859	MP 2010	HL 2010
1802	MP 860	MP 2011	UP 2337	HL 2337
1803	MP 861	MP 2012	UP 2338	HL 2338
1804	MP 862	MP 2013	HL 2013
1805	MP 863	MP 2014	HL 2014
1806	MP 864	MP 2015	HL 2015
1807	MP 865	MP 2016	HL 2016
1808	MP 869	MP 2020	HL 2020
1809	MP 872	MP 2023	HL 2023
1810	MP 873	MP 2024	HL 2024
1811	MP 877	MP 2029	HL 2029
1812	MP 881	MP 2032	HL 2032
1813	MP 882	MP 2033	HL 2033
1814	MP 883	MP 2034	HL 2034
1815	MP 885	MP 2036	UP 2362	HL 2362
1816	MP 887	MP 2038	HL 2038
1817	MP 897	MP 2048	MP 2374	HL 2374
1818	MP 898	MP 2049	UP 2375	HL 2375
1819	MP 900	MP 2051	UP 2377	HL 2377
1820	MP 904	MP 2055	HL 2055
1821	MP 907	MP 2058	UP 2384	HL 2384
1822	MP 908	MP 2059	UP 2385	HL 2385
1823	MP 914	MP 2065	HL 2065
1824	MP 918	MP 2069	HL 2069
1825	MP 919	MP 2070	HL 2070
1826	MP 920	MP 2071	HL 2071
1827	MP 921	MP 2072	HL 2072
1828	MP 922	MP 2073	HL 2073

EMD GP38-2 — 17 units
2000 horsepower; B-B trucks; 269,000 pounds operating weight

Road Number	Previous Number	Builder Date	Builder Number	Date To 1800 Series	300 Series Number	Date To 300 Series
1830	HATX 200	Jan 1973	71702-2	23 May 1997	330	28 Feb 2003
1831	HATX 201	Jan 1973	71702-7	6 May 1997	331	7 Jan 2004
1832	HATX 202	Jan 1973	71702-10	3 Jun 1997	332	5 Jun 2002
1833	HATX 203	Feb 1973	71702-18	24 Jun 1997	333	3 Feb 2003
1834	HATX 204	Feb 1973	71702-20	15 Apr 1997	334	30 Mar 2001
1835	HATX 205	Mar 1973	71702-27	15 Apr 1997	335	8 Aug 2003
1836	HATX 206	May 1973	71702-29	1 Jul 1997	336	3 Mar 2004
1837	HATX 207	May 1973	71702-31	9 Apr 1997	337	16 Apr 2000
1838	HATX 208	May 1973	71702-34	9 Apr 1997	338	22 Jan 2004
1839	HATX 209	May 1973	71702-36	3 Jun 1997	339	14 Jan 2004
1840	HATX 210	May 1973	71702-33	3 Jun 1997	340	30 Jun 2004
1841	HATX 211	Jan 1973	71702-4	15 Jun 1997	341	23 Jul 2003
1842	HATX 212	Jan 1973	71702-6	8 Jul 1997	342	10 Jan 2002
1843	HATX 213	Jan 1973	71702-9	25 May 1997	343	17 Mar 2003
1844	HATX 214	Feb 1973	71702-12	24 May 1997	344	13 Jul 2002
1845	HATX 215	May 1973	71702-32	15 Jul 1997	345	14 Mar 2003
1846	HATX 216	May 1973	71702-37	30 Nov 1996	346	23 Jun 2003

General Notes:

a.	Total of 17 units to UP, numbered UP 1830-1846; leased from Helm Financial.
b.	Delivered to UP in November 1996; repainted to Union Pacific in November 1996 through July 1997 (UP 1846, ex HATX 216, was the first, completed on 30 November 1996, and UP 1845, ex HATX 215, was the last, completed on 15 July 1997).
c.	Built as MP 900 series units; renumbered to MP 2000 series in 1974; all renumbered from MP to UP (same numbers) in 1986 to 1991, except MP 2075 and 2106, which retained their MP numbers until becoming HATX units.
d.	Part of a 37 unit group (ex MP 2074-2110) previously on 15-year lease to MP, and returned to their owner/lessor by UP upon expiration of the leases in December 1993; sold to Helm Financial and held on UP property.
e.	The above 17 units were moved by Helm in March and April 1994 for lease to CSX Transportation and numbered Helm Atlantic (HATX) 200-216; returned to Helm in September 1996 upon expiration of 30-month lease to CSX.
f.	Not equipped with dynamic braking.
g.	Renumbered to UP 330-346.
h.	Individual unit histories:

Road Number	First Number	Second Number	Third Number	Fourth Number
1830	MP 924	MP 2075	HATX 200
1831	MP 929	MP 2080	UP 2080	HATX 201
1832	MP 932	MP 2083	UP 2083	HATX 202
1833	MP 940	MP 2091	UP 2091	HATX 203
1834	MP 942	MP 2093	UP 2093	HATX 204
1835	MP 949	MP 2100	UP 2100	HATX 205
1836	MP 951	MP 2102	UP 2102	HATX 206
1837	MP 953	MP 2104	UP 2104	HATX 207
1838	MP 956	MP 2107	UP 2107	HATX 208
1839	MP 958	MP 2109	UP 2109	HATX 209
1840	MP 955	MP 2106	HATX 210
1841	MP 926	MP 2077	UP 2077	HATX 211
1842	MP 928	MP 2079	UP 2079	HATX 212
1843	MP 931	MP 2082	UP 2082	HATX 213
1844	MP 934	MP 2085	UP 2085	HATX 214
1845	MP 954	MP 2105	UP 2105	HATX 215
1846	MP 959	MP 2110	UP 2110	HATX 216

EMD GP38-2 — 1 unit
2000 horsepower; B-B trucks; 266,000 pounds operating weight

Road Number	First Number	Builder Date	Builder Number	Date To 1865 Series	365 Series Number	Date To 365 Series	Note
1866	C&NW 4601	Nov 1979	786271-2	18 Mar 1997	366	23 Sep 2000	1

Note:

1.	UP 1866 (ex C&NW 4601) was the only unit of the 35 units in the former C&NW 4600-4634 group to be repainted to the UP 1865-1899 group, completed on 18 March 1997; renumbered to UP 366 on 23 September 2000, as part of the 365-399 group.