All Time UP Diesel Roster, Part 21

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

Road Number	First Number	Builder Date	Builder Number	Date Retired
UP 1200	UP 1060	Oct 1943	69672	Oct 1962
UP 1201	UP 1059	Oct 1943	69775	Oct 1962
UP 1202	UP 1058	Oct 1943	69776	Oct 1962
UP 1203	UP 1057	Oct 1943	69777	Oct 1962
UP 1204	UP 1056	Feb 1944	70147	Oct 1962
UP 1205	UP 1055	Feb 1944	70148	Oct 1962

General Notes:

a.	UP 1200-1205 were delivered to UP as 1060, 1059, 1058, 1057, 1056 and 1055 in reverse order of builder's number sequence for unknown reasons, renumbered to UP 1200-1205 in builder's number sequence in May 1945.
b.	UP 1200-1205, as 1055-1060 series, delivered in UP's black switcher paint scheme, repainted to yellow in late 1947.
c.	UP 1200-1205 were in service at Omaha, Neb., during June 1960.
d.	UP 1200 had Baldwin order number 42530-J.
e.	UP 1201-1203 had Baldwin order number 43502-B.
f.	UP 1204, 1205 had Baldwin order number 43506-A.

BLW DS-4-4-10 — 5 units
1000 horsepower; B-B trucks; 229,600 pounds operating weight

Road Number	Builder Date	Builder Number	Date Retired	Notes
UP 1206	Sep 1948	73668	Feb 1965	Traded to Alco in July 1966; scrapped by Industrial Maintenance Service, Hammond, Ind., in October 1966.
UP 1207	Sep 1948	73669	Feb 1965	Traded to Alco in July 1966; scrapped by Industrial Maintenance Service, Hammond, Ind., in August 1966.
UP 1208	Sep 1948	73770	Feb 1965	Traded to Alco in July 1966.
UP 1209	Sep 1948	73771	Feb 1965	Traded to Alco in July 1966; scrapped by Industrial Maintenance Service, Hammond, Ind., in September 1966.
UP 1210	Sep 1948	73772	Feb 1965	Traded to Alco in July 1966; scrapped by Industrial Maintenance Service, Hammond, Ind., in September 1966.

General Notes:

a.	UP 1206-1210 were in service at Omaha, Neb., during June 1960.
b.	Union Pacific records show model as DS-4 4 1000/1SC.
c.	UP 1206-1210 had Baldwin order number 47521-D.

Alco RS-1 — 12 units
1000 horsepower; B-B trucks; 240,000 pounds operating weight

Road Number	First Number	Builder Date	Builder Number	Date Retired	Notes
UP 1211	SI 200	Sep 1949	77166	May 1969	Traded to EMD in May 1969.
UP 1212	SI 201	Sep 1949	77167	Nov 1969	Traded to EMD in November 1969.
UP 1213	SI 202	Sep 1949	77168	Oct 1969	Traded to EMD in October 1969.
UP 1214	SI 203	Oct 1949	77169	Nov 1969	Traded to EMD in November 1969.
UP 1215	SI 204	Oct 1949	77170	Apr 1969	Traded to EMD in April 1969.
UP 1216	SI 205	Oct 1949	77171	Dec 1969	Sold to Chrome Crankshaft Co., Chicago, Ill., 27 December 1969; sold to Tidewater Southern 747, 2 February 1970; sold for scrap to The Purdy Co., Ewing, Calif., 27 August 1975.
UP 1217	SI 206	Nov 1949	77839	Nov 1969	Traded to EMD in November 1969.
UP 1218	SI 207	Dec 1949	77840	Dec 1969	Sold to Chrome Crankshaft Co., Chicago, Ill., 27 December 1969; sold to Tidewater Southern 746, 2 February 1970; sold to Central California Traction Co., Stockton, Calif., 31 December 1976.
UP 1219	SI 208	Dec 1949	77841	Jul 1969	Traded to EMD in July 1969.
UP 1220	SI 209	Jul 1953	79586	Nov 1969	Traded to EMD in November 1969.
UP 1221	SI 210	Jul 1953	79587	Aug 1969	Traded to EMD in August 1969.
UP 1222	SI 211	Aug 1953	79588	Nov 1969	Traded to EMD in November 1969.

General Notes:

a.	Built as Spokane International Railway 200-211; acquired by Union Pacific along with 99% control of railroad, on 6 October 1958.
b.	Union Pacific leased all 12 locomotives from Spokane International in 1962 and repainted them to UP's standard yellow and gray paint scheme, with Spokane International spelled out in UP's rounded Gothic style lettering.
c.	Operated on Spokane International until leased to UP in 1962, then moved by UP to Eastern District; assigned to Denver during 1965 and Kansas City during 1967.
d.	UP 1211-1216 had Alco order number S-3112.
e.	UP 1217-1219 had Alco order number S-3121.
f.	UP 1220-1222 had Alco order number S-3188.

BLW DRS-6-4-15 — 1 unit
1500 horsepower; A1A-A1A trucks; 283,000 pounds operating weight (188,700 pounds weight on drivers)

Road Number	First Number	Builder Date	Builder Number	Date Retired	Notes
UP 1250	BLW 1500	Sep 1946	72629	Aug 1962	Sold to Industrial Maintenance Service, Hammond, Ind., in July 1966; at EMD during December 1971.

General Notes:

a.	Built as Baldwin demonstrator 1500; sold to UP in January 1948.
b.	Equipped with a steam generator.
c.	UP 1250 was UP's first six-axle road switcher, entering service on 25 January 1948 at Spokane, Wash.; still at Spokane, Wash. during June 1960.
d.	Union Pacific records show model as 0-6-6-0 1500/1 DE 30.
e.	UP 1250 had Baldwin order number 45512-B.

Alco S-3 — 1 unit
660 horsepower; B-B trucks; 198,000 pounds operating weight

Road Number	First Number	Builder Date	Builder Number	Date Retired	Notes
UP 1250	MH 50	Sep 1950	78317	Aug 1970	Traded to EMD in August 1970.

General Notes:

a.	UP 1250 was built as Mount Hood Railway 50; acquired on 16 October 1968, along with the entire railroad.
b.	UP 1250 repainted to full UP yellow and gray in February 1969.
c.	UP 1250 had Alco order number S-3153.

Alco HH-1000 — 1 unit
1000 horsepower; B-B trucks; 230,000 pounds operating weight

Road Number	First Number	Second Number	Third Number	Builder Date	Builder Number	Date Retired	Notes
UP 1251	N&SS 2	N&SS 1002	MH 51	Jul 1940	69147	Aug 1970	Scrapped by UP, late 1970.

General Notes:

a.	Built as Newburgh & South Shore 2, Cleveland, Ohio; renumbered to 1002; sold to Mount Hood Railway 51 in November 1954; acquired by UP on 16 October 1968 along with entire railroad.
b.	UP 1251 had only been renumbered and did not receive full UP yellow and gray paint by the time it was retired.
c.	UP 1251 had Alco order number S-1810.

BLW AS-616 — 6 units
1600 horsepower; C-C trucks; 326,800 pounds operating weight

Road Number	Builder Date	Builder Number	Date Retired	Notes
UP 1260	Dec 1951	75185	Jan 1969	Traded to EMD in January 1969.
UP 1261	Dec 1951	75186	Dec 1969	Traded to EMD in December 1969.
UP 1262	Jan 1952	75187	Apr 1968	Traded to EMD in April 1968.
UP 1263	Jan 1952	75188	Apr 1968	Traded to EMD in April 1968.
UP 1264	Jan 1952	75189	Apr 1968	Traded to EMD in June 1968.
UP 1265	Jan 1952	75190	May 1968	Traded to EMD in June 1968.

General Notes:

a.	UP 1260 was assigned to the hump yard at Pocatello, Idaho
b.	During June 1960, UP's six AS-616s were in service at the following locations: UP 1260 and 1261 were at Pocatello, Idaho; UP 1262 and 1263 were at North Platte, Neb.; UP 1264 was at St. Joseph, Mo.; and UP 1265 was at Marysville, Kansas.
c.	UP 1262 was leased to Ogden Union Railway & Depot Co., at Ogden, Utah, on 29 February 1964. OUR&D was jointly owned by UP and SP, and performed much of the terminal switching in Ogden.
d.	UP 1260-1265 had Baldwin order number 50529-E.

Alco/EMD RS-1M — 1 unit
1000 horsepower; B-B trucks; 228,000 pounds operating weight

Road Number	First Number	Builder Date	Builder Number	Rebuild Date	Date Retired	Notes
UP 1270	BRR 570	May 1943	70820	Dec 1951	Feb 1972	Traded to EMD in February 1972.

General Notes:

a.	UP 1270 built as Bamberger Railroad 570, an Alco RS-1; Bamberger 570 was re-engined by EMD in December 1951 using a 12-cylinder EMD 567 1000 horsepower engine and a new EMD-design long hood; Bamberger 570 was sold to UP in May 1959, along with portions of the Bamberger Railroad in the Ogden, Utah, area.
b.	Operated by UP on Eastern District; assigned during 1965 to Denver.
c.	UP 1270 has Alco order number S-1901.

EMD/UP SW10 — 75 units
1200 horsepower; B-B trucks; 251,200 pounds operating weight

Road Number	First Number	Rebuild Date	Rebuilt From	Renumber Date	Date Retired	Notes
UP 1200	UP 1848	2 Aug 1979	SW9 1848		31 Dec 1997	1
UP 1201	UP 1839	Nov 1979	SW9 1839			2
UP 1202		25 Jan 1980	SW9 1866		13 Jul 1998	3
UP 1203		9 Mar 1980	SW9 1864		14 May 1996	4
UP 1204		17 Apr 1980	SW9 1853		14 Jul 1998	5
UP 1205		21 May 1980	SW9 1865		14 Jul 1998	5
UP 1206		24 Jun 1980	SW9 1850			6
UP 1207		25 Aug 1980	SW9 1859		14 Jul 1998	5
UP 1208		4 Sep 1980	SW9 1828		14 May 1996	7
UP 1209		9 Oct 1980	SW9 1861		20 Apr 1994	8
UP 1210		31 Oct 1980	SW9 1831			9
UP 1211		26 Nov 1980	SW9 1847		14 Jul 1998	5
UP 1212		15 Dec 1980	SW9 1836		14 Jul 1998	10
UP 1213		2 Jan 1981	SW9 1862		14 Jul 1998	10
UP 1214		23 Jan 1981	SW9 1854		14 Jul 1998	11
UP 1215		30 Jan 1981	SW9 1851			12
UP 1216		27 Feb 1981	SW9 1852		28 Apr 1992	13
UP 1217		30 Mar 1981	SW9 1844		14 Jul 1998	10
UP 1218		30 Mar 1981	SW9 1860		14 Jul 1998	5
UP 1219		30 Apr 1981	SW9 1825		21 Feb 1997	14
UP 1220		30 Apr 1981	SW9 1846		14 Jul 1998	10
UP 1221		30 May 1981	SW9 1832		14 Jul 1998	10
UP 1222		30 Jun 1981	SW9 1849		14 Jul 1998	10
UP 1223		30 Jun 1981	SW9 1857		14 Jul 1998	5
UP 1224		30 Jul 1981	SW9 1856		24 Sep 1993	15
UP 1225		30 Sep 1981	SW9 1835		14 Jul 1998	5
UP 1226		30 Sep 1981	SW9 1858		3 Apr 1998	5
UP 1227		30 Oct 1981	TR5A 1874		14 May 1996	16
UP 1228		30 Nov 1981	TR5A 1876		14 Jul 1998	5
UP 1229		30 Dec 1981	TR5A 1873			17
UP 1230		10 Feb 1982	SW9 1833		14 Jul 1998	10
UP 1231		28 Feb 1982	SW7 1817		14 Jul 1998	10
UP 1232		31 Mar 1982	SW9 1855		14 Jul 1998	18
UP 1233		30 Jun 1982	SW7 1824			19
UP 1234		30 Jun 1982	TR5A 1872		14 Jul 1998	20
UP 1235		30 Jun 1982	TR5A 1875		14 Jul 1998	18
UP 1236		30 Jul 1982	SW7 1806		14 Jul 1998	18
UP 1237 (1st)		30 Jul 1982	SW7 1810		12 Aug 1991	21
UP 1237 (2nd)	UP 1233	30 Jun 1982	SW7 1824	20 Mar 1997	14 Jul 1998	5
UP 1238		30 Aug 1982	SW7 1822		14 Jul 1998	18
UP 1239		30 Aug 1982	SW7 1815		14 Jul 1998
UP 1240		30 Sep 1982	SW9 1826		14 Jul 1998	10
UP 1241 (1st)		30 Sep 1982	TR5A 1871		7 Oct 1996
UP 1241 (2nd)	UP 1201	Nov 1979	SW9 1839	6 Nov 1997	22 Jun 1998	5
UP 1242		30 Oct 1982	SW9 1834		14 Jul 1998	18
UP 1243		30 Nov 1982	SW7 1821			22
UP 1244		30 Dec 1982	SW9 1840		14 Jul 1998	5
UP 1245		28 Feb 1983	SW7 1802		7 Mar 1988	23
UP 1246		28 Feb 1983	SW7 1804		14 Jul 1998	18
UP 1247		30 Mar 1983	SW7 1808		1 Jul 1998	18
UP 1248		30 Mar 1983	SW7 1800		3 Jul 1998	18
UP 1249		30 Jun 1983	SW7 1814		1 Jul 1998	18
UP 1250		30 Jun 1983	SW7 1823		31 Dec 1997	24
UP 1251		30 Jul 1983	SW7 1801		3 Apr 1998	24
UP 1252		30 Sep 1983	SW7 1807		14 Jul 1998	18
UP 1253		30 Sep 1983	SW9 1841		14 Jul 1998	25
UP 1254		30 Sep 1983	SW7 1816		21 Feb 1997	24
UP 1255		30 Sep 1983	SW7 1813		14 Jul 1998	25
UP 1256		30 Sep 1983	SW7 1820		15 Jul 1998	5
UP 1257		30 Mar 1984	TR5A 1877		14 Jul 1998	18
UP 1258		30 Nov 1983	SW9 1829		14 May 1996	26
UP 1259		30 Dec 1983	SW9 1837		21 Feb 1997	14
UP 1260		30 Jul 1984	SW7 1805		14 Jul 1998	18
UP 1261		30 Jul 1984	MP SW9 1243		12 Apr 1997	27
UP 1262		30 Jul 1984	MP SW9 1244		12 Apr 1997	27
UP 1263		30 Oct 1984	MP SW9 1246		12 Apr 1997	27
UP 1264 (1st)		30 Aug 1984	MP SW9 1245		14 May 1996	14
UP 1264 (2nd)	UP 1210	31 Oct 1980	SW9 1831	8 Nov 1997	15 Jul 1998	5
UP 1265		16 Sep 1984	SW9 1838		14 Jul 1998	18
UP 1266		30 Sep 1984	MP SW9 1242		6 Feb 1990	28
UP 1267		25 Oct 1984	MP SW9 1226		20 Aug 1992	29
UP 1268		30 Oct 1984	MP SW9 1251		12 Apr 1997	27
UP 1269		30 Oct 1984	MP SW9 1232		14 Jul 1998	18
UP 1270		14 Nov 1984	MP SW9 1233		12 Apr 1997	30
UP 1271		30 Nov 1984	WP SW9 601		5 Jun 1991	31
UP 1272		30 Nov 1984	WP SW9 603		7 Oct 1996	32
UP 1273		22 Dec 1984	WP SW9 605		7 Oct 1996	4
UP 1274 (1st)		30 Dec 1984	WP SW9 606		6 Feb 1990	33
UP 1274 (2nd)	UP 1215	30 Jan 1981	SW9 1851		14 Jul 1998	10
UP 1276	UP 1206	24 Jun 1980	SW9 1850	7 Aug 1997	15 Jul 1998	5
UP 1284	UP 1229	30 Dec 1981	TR5A 1873	21 Aug 1997	15 Jul 1998	5

General Notes:

a.	Rebuilt by UP Omaha Shops from UP SW7s, SW9, TR5As, former MP SW9s, and former WP SW9s.
b.	UP 1200 was completed as SW10 1848, renumbered to 1200 on 13 March 1980.
c.	UP 1201 was completed as SW10 1839, renumbered to 1201 on 1 April 1980.
d.	UP 1205 was wrecked during 1981; damage repaired in July 1981 by using the cab from retired UP SW7 1812.
e.	UP 1207, 1212, 1213, 1217, 1218, 1220, 1221, 1222, 1225, 1228, 1230, 1231, 1236, 1240, 1274 (2nd), and 1284 (16 units) were stored at Salt Lake City during mid-July 1998 following their retirement. Eight units (UP 1207, 1213, 1220, 1221, 1228, 1231, 1274 (2nd), and 1284) had been stored out of service at Salt Lake since mid-May 1998.
f.	UP 1256, 1264 (2nd), 1276, and 1284 (four units) were retired on 15 July 1998, and were the last SW10s retired by UP, although several SW10s continued to operate in various yards across the system for another two weeks due to a shortage of switching locomotives.

Notes:

1.	UP 1200 was sold to Boise Locomotive Co., Boise, Idaho, on 15 April 1999; sold to Diesel Supply, Hudson, Wis., in July 1999; moved on 13 July 1999 to Columbia Basin Railroad at Yakima, Wash., for repairs and repainting; moved from Yakima to Delta, Utah, as DLSX 1200 during early April 2000; leased to Circle 4 Farms, Milford, Utah (replacing a wrecked TrackMobile); lettered as Hog Express.
2.	UP 1201 was renumbered to UP 1241 (2nd), 6 November 1997.
3.	UP 1202 was sold to Farmers Grain Co-op, Cruger, Ill., in August 1998; seen switching the Grainland Co-Op in Eureka, Ill., on September 18, 2004. (2004 update from Ken Lanovich, September 18, 2004)
4.	UP 1203 and 1273 were retired and sold to Helm Financial in February 1997; moved to Metro East Industries, East St. Louis, Ill.
5.	UP 1204, 1205, 1207, 1211, 1218, 1223, 1225, 1226, 1228, 1237 (2nd), 1241 (2nd), 1244, 1256, 1264 (2nd), 1276, 1284 (16 units) were sold to David J. Joseph Co. in July 1998. Further dispositions as follows:

	Road Number	Known Disposition
	UP 1204	To David J. Joseph Co. (DJPX) 1204, leased to Fort Wort & Western Railroad (FWWR) for four months during 1999, to Chaparral Steel at Petersburg, Va., later in 1999 as number L409-2. (information from Randy Keller via email on February 27, 2007)
	UP 1241 (2nd)	To (leased?, sold?) CF Industries, Donaldson, La, then to Clinton Terminal (CRT), Clinton, N.C.
	UP 1205	Sold to Mobile Locomotive Service, moved to Lake Terminal (Kobe Steel), Lorain, Ohio in November 1998 and January 1999.
	UP 1218	Sold to Mobile Locomotive Service, moved to Lake Terminal (Kobe Steel), Lorain, Ohio in November 1998 and January 1999.
	UP 1223	Sold to Mobile Locomotive Service, moved to Lake Terminal (Kobe Steel), Lorain, Ohio in November 1998 and January 1999.
	UP 1228	Sold to Mobile Locomotive Service, moved to Lake Terminal (Kobe Steel), Lorain, Ohio in November 1998 and January 1999.
	UP 1237	Sold to Mobile Locomotive Service, moved to Lake Terminal (Kobe Steel), Lorain, Ohio in November 1998 and January 1999.

6.	UP 1206 was renumbered to UP 1276, 7 August 1997.
7.	UP 1208 was sold to Midwest Locomotive, formerly known as Comet Midwest; Midwest Locomotive company sold to Larrys Truck Electric (LTEX) and UP 1208 was moved to the former Midwest facility near kansas City during February 2000.
8.	UP 1209 was wrecked (collision with string of runaway cars in yard) on 3 December 1993 at Salt Lake City, Utah; scrapped by UP at Salt Lake City during mid-December 1993.
9.	UP 1210 was renumbered to 1264 (2nd), 8 November 1997.
10.	UP 1212, 1213, 1217, 1220, 1221, 1222, 1230, 1231, 1240, 1274 (2nd) (10 units) were sold to Connell Finance in July 1998; moved to Livingston Rebuild Center, Livingston, Mont.; further dispositions shown below:

	Road Number	Known Disposition
	UP 1230	At Boise Locomotive Co., in Boise, Idaho, on 2 July 1999; to Salt Lake Garfield & Western DS9 in March 2000.
	UP 1220, UP 1221, UP 1240	Total of eight units (UP 1212, 1213, 1217, 1220, 1221, 1222, 1231, 1240) leased to CP in October 1999 on a planned long term lease, assigned CP 1280-1287; three units repainted before reliability problems became apparent and all eight units returned to Connell; sold to National Rail Equipment (NREX) in (??) and used in national lease service. Click here for a photo of UP 1220 as CP 1283. Click here for a photo of UP 1221 as CP 1284. NREX 1287 (ex CP 1287) seen en route (from?) to Applialachian Fuels LLC, Ashland, Ky.; waybilled on 28 December 2005 via CN-Toledo-CSXT-Ashland.
	UP 1274 (2nd)	To Salt Lake Garfield & Western DS10 in March 2000.

11.	UP 1214 was sold to Scoular Grain, Salina, Kansas. in June 1998; later to Haviland, Kansas.
12.	UP 1215 was renumbered to UP 1274 (2nd), 10 December 1997.
13.	UP 1216 was sold to Pielet Brothers Scrap Iron & Metal, McCook, Ill., 17 March 1993; then sold to National Railway Equipment, Dixmoor, Ill., in July 1993; then sold to Michigan Limestone 108 in about September 1996.
14.	UP 1219, 1259, and 1264 (1st) were sold to Diesel Supply Co., on 23 July 1997. Further dispositions, as follows:

	Road Number	Known Disposition
	UP 1219	Sold to Arizona Public Service 4.
	UP 1259	Sold to Rail Switching Services and renumbered to RSS 1259.
	UP 1264 (1st)	Leased to Murphy-Brown, Inc in Bladenboro, N. C.; returned to Diesel Supply Co. in August 2005 (exchanged for DLSX GP9 4604 was the replacement); DSLX 1264 sold to LRS Companies, who resold it to Denver Rock Island Railroad; moved to DRIR on 17 May 2006; painted as DRIR in late May 2006. DRIR 1264 has been frame-checked and confirmed to be ex MP 1245. (update from Randy Keller, Joe McMillan and Norm Metcalf)

15.	UP 1224 was wrecked (cab damage) before late 1996; sold to Helm Financial during early 1998.
16.	UP 1227 was sold to Ohio Central Railroad in June 1997, then to Spartan Steel Coating (SCPX) 1227, Monroe, Mich.
17.	UP 1229 was renumbered to 1284, 21 August 1997.
18.	UP 1232, 1235, 1236, 1238, 1239, 1242, 1246, 1247, 1248, 1249, 1252, 1257, 1260, 1265, 1269 (15 units) were sold to Ferrocarril Mexicano (FerroMex) in Mexico in July 1998.
19.	UP 1233 was renumbered to 1237 (2nd), 20 March 1997.
20.	UP 1234 was sold to Coast Rail Services (CRSX), Brea, Calif., in July 1998.
21.	UP 1237 (1st) was sold to VMV Enterprises, Paducah, Ky., on 9 December 1991; then sold to National Railway Equipment in August 1994; then sold to Michigan Limestone 109 in September 1996.
22.	UP 1243 was renumbered to UP 96 on 2 January 1998; assigned to passenger service, as UP 1243 in January 1993 and retained as part of heritage fleet at Cheyenne, Wyo.
23.	UP 1245 was wrecked (cracked frame) on 4 March 1987 at North Platte, Neb. The wrecked unit's hood was used to repair another wreck damaged SW10, cab and frame (only) were sold for scrap to Aaron Ferer & Sons, Omaha, Neb., 29 March 1988.
24.	UP 1250, 1251, and 1254 were sold to Boise Locomotive Co., Boise, Idaho, on 15 April 1999; moved to Boise on 3 June 1999; moved to St. Louis on 15 July 1999; UP 1251and 1254 were sold to Transglobal Rail, Oelwein, Iowa; UP 1251 used by State Line Co-op in Northern, Iowa.
25.	UP 1253 and 1255 were sold to National Railway Equipment in July 1998; UP 1255 to Granite Rock 2000, Logan, Calif., in May 1999.
26.	UP 1258 was sold to Helm Financial Scrapped by Illinois Railway Supply, Cordova, Ill.
27.	UP 1261, 1262, 1263, 1268 (along with UP 1270, below) were sold to Mid America Equipment Co., Mesa, Ariz., in June 1997; shipped in November 1997; sold in exchange for McCloud Railway SD38-2 39, which became UP 2824; most Mid America equipment sold to David Joseph Co., early September 1999.
28.	UP 1266 was sold to VMV Enterprises in October 1991; to RLIX 1266 by 2 April 1996; seen in transit at Jacksonville, Fla.
29.	UP 1267 was wrecked (fire damage to cab) while leased to Port Terminal Railroad Association, Houston, Tex.; removed from service on 9 April 1992; retired in August 1992; sold to National Railway Equipment, 31 March 1993; to Roanoke Valley Cogeneration Project, Weldon, N.C.
30.	UP 1270 was sold to Mid America Equipment Co., Mesa, Ariz., in June 1997, along with four others (UP 1261, 1262, 1263, and 1268); shipped in November 1997; entire group of five units were sold in exchange for McCloud Railway SD38-2 39, which became UP 2824; UP 1270 was later sold to North American Fly Ash, Pegs, N.M.; possibly sold in September 1999 to David Joseph Co.; later sold to Western Rail (WRIX) and seen in transit at East St. Louis, Ill., in early November 2005.
31.	UP 1271 was sold to Western Railway Supply, Fontana, Calif., in October 1991; sold to Peoria Locomotive Works, Peoria, Ill.; sold to Peoria & Pekin Union 701 in January 1993.
32.	UP 1272 was sold to Quality Aggregate, Gads Hill., Mo., on 29 October 1997.
33.	UP 1274 (1st) was sold to South East Kansas Railroad in October 1991.

Alco RSC-2 — 11 units
1500 horsepower; A1A-A1A trucks; operating weight (see general note, below)

Road Number	First Number	Second Number	Builder Date	Builder Number	Date Retired	Notes
UP 1280	UP 1180		Mar 1948	75693	Dec 1971	Traded to EMD in December 1971.
UP 1281	UP 1181		Apr 1948	75936	Oct 1971	Traded to EMD in October 1971.
UP 1282	UP 1182		Apr 1948	75937	Oct 1971	Traded to EMD in October 1971.
UP 1283	UP 1183		Apr 1948	75938	Jan 1969	Traded to EMD in January 1969.
UP 1284	UP 1184		Apr 1948	75939	Apr 1968	Traded to EMD in April 1968.
UP 1285	UP 1185		Apr 1948	75940	Dec 1971	Traded to EMD in December 1971.
UP 1286	UP 1186		Apr 1948	75941	May 1969	Traded to EMD in May 1969.
UP 1287	UP 1187		Apr 1948	75947	Mar 1968	Traded to EMD in April 1968.
UP 1288	UP 1188		Apr 1948	75948	Jan 1969	Traded to EMD in January 1969.
UP 1289	UP 1189		Apr 1948	75949	Nov 1969	Traded to EMD in November 1969.
UP 1290	Alco 1190	UP 1190	Feb 1947	75136	May 1968	Traded to EMD in July 1968.

General Notes:

a.	UP 1280-1289 were built as 1180-1189; renumbered to 1280-1289 in October 1955 to make room in the 1100 series for additional Alco S-4 switchers.
b.	UP 1290 was built as Alco demonstrator 1190, in UP yellow and gray paint; sold to UP on 19 March 1948; renumbered to 1290 in October 1955 to make room in the 1100 series for additional Alco S-4 switchers.
c.	UP 1280 and 1281 had 235,000 pounds operating weight and 156,600 pounds weight on drivers.
d.	UP 1282, 1283, 1286, 1287, 1288, and 1289 had 274,000 pounds operating weight and 193,900 pounds weight on drivers, which included an additional 800 gallon fuel tank.
e.	UP 1284 and 1285 had 264,400 pounds operating weight and 188,100 pounds weight on drivers.
f.	UP 1281, 1282, 1287, and 1289 were equipped for multiple unit operation.
g.	UP 1280 had Alco order number S-3053 (shared with UP RS-2s 1193, 1194)
h.	UP 1281-1289 had Alco order number S-3063.
i.	UP 1290 had Alco order nnumber S-3024.

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

Road Number	First Number	Builder Date	Builder Number	Date Retired	Notes
UP 1291	UP 1191	Feb 1947	75266	Jan 1969	Traded to EMD in January 1969.
UP 1292	UP 1192	Feb 1948	75572	Feb 1968	Traded to EMD in April 1968.
UP 1293	UP 1193	Feb 1948	75691	Apr 1968	Traded to EMD in June 1968.
UP 1294	UP 1194	Feb 1948	75692	Feb 1968	Traded to EMD in April 1968.
UP 1295	UP 1195	Jan 1949	76240	Mar 1968	Traded to EMD in March 1968.

General Notes:

a.	UP 1291-1295 were built as UP 1191-1195; renumbered to UP 1291-1295 in October 1955 to make room in the 1100 series for additional Alco S-4 switchers.
b.	Alco order numbers:

	Road Number	Alco Order Number
	UP 1291	S-3029
	UP 1292	S-3046
	UP 1293, 1294	S-3053 (shared with UP RSC-2 1280)
	UP 1295	S-3074

EMD MP15DC — 10 units
1500 horsepower; B-B trucks; 246,000 pounds operating weight

Road Number	First Number	Second Number	Builder Date	Builder Number	Date To 1275 Series	1000 Series Number	Date To 1000 Series	Notes
UP 1275	P&LE 1577		Jun 1974	73694-4	Feb 1985	UP 1000	Jun 1985
UP 1276	P&LE 1576		Jun 1974	73694-3	Feb 1985	UP 1001	Jun 1985
UP 1277	P&LE 1575		Jun 1974	73694-2	Feb 1985	UP 1002	May 1985
UP 1278	P&LE 1583		Jul 1974	73694-10	Feb 1985	UP 1003	May 1985	1
UP 1279	P&LE 1581		Jul 1974	73694-8	Feb 1985	UP 1004	Jun 1985
UP 1280	P&LE 1580		Jul 1974	73694-7	Feb 1985	UP 1005	Jun 1985
UP 1281	P&LE 1579		Jun 1974	73694-6	Feb 1985	UP 1006	May 1985
UP 1282	P&LE 1574	UP 1574	Jun 1974	73694-1	19 Mar 1985	UP 1007	Jun 1985	2
UP 1283	P&LE 1578		Jul 1974	73694-5	Feb 1985	UP 1008	Jun 1985
UP 1284	P&LE 1582		Jul 1974	73694-9	Feb 1985	UP 1009	May 1985	3

General Notes:

a.	Built as Pittsburgh & Lake Erie (P&LE) units; purchased second-hand by UP in December 1984; these 10 units were delivered to UP on 12 February 1985.
b.	UP 1284 (ex P&LE 1582) was the first of this group to be fully repainted to UP, completed on 18 April 1985; the other units received only UP initials and numbers in white stencils on their P&LE black paint schemes, retaining this scheme until painted full UP yellow and gray, with 1000 series numbers, in May and June 1985.
c.	UP added side handrails for improved safety.
d.	Assigned UP 1275-1284 in February 1985, in number sequence after UP's SW10s 1200-1274; assigned UP 1000-1014 in May 1985, with the pending arrival of five additional units, which became UP 1010-1014.

Notes:

1.	UP 1278 operated in PL&E black paint with its new UP 1278 number from February 1985 until it received full UP yellow and gray paint on 20 April 1985.
2.	UP 1282 operated as UP 1574, in P&LE black paint, from 19 March 1985 to June 1985, when it received full UP yellow and gray paint, and its new UP 1007 number.
3.	UP 1284 operated in PL&E black paint with its new UP 1284 number from February 1985 until it received full UP yellow and gray paint on 18 April 1985.

MK Rail MK12G — 2 units
1200 horsepower; B-B trucks; 250,000 pounds operating weight

Road Number	Builder Date	Builder Number	Date To UP	Date Retired
UP 1298	Jul 1994	23227	12 Jul 1994	1 Jul 1998
UP 1299	Jul 1994	29003	12 Jul 1994	1 Jul 1998

General Notes:

a.	Fueled by natural gas; assigned to switching service in Los Angeles area.
b.	UP 1298 was built using frame of retired Boston & Maine GP9 1729, frame number 7549-03, serial number 23227; completed in November 1993; completed unit remained at Boise for testing; unveiled in public ceremony by the newly organized MK Rail at Boise on 13 January 1994.
c.	UP 1299 was built using frame of retired Seaboard GP9 2358, frame number 5024-02, serial number 10548.
d.	Both units entered service at Salt Lake City, Utah, on 12 July 1994; transferred to Los Angeles on 27 July 1994; both units were out of service at Los Angeles until special fueling facilities could be completed during September 1994.
e.	Lease expired, and units returned to Motive Power Industries (successor to MK Rail), 1 July 1998.
f.	Assigned UP 98 and 99 in December 1997, not renumbered prior to retirement.