Union Pacific Railroad

General Notes:

1. Built as GE demonstrator 1399, delivered to Union Pacific on 28 March 1947; sold to UP on 8 May 1947; first assigned to yard switching duties in the Omaha area, then as shop switcher for Omaha Shops; transferred to the Roadway (maintenance of way) department, moved to Pocatello, Idaho and renumbered to UP 03999 in October 1956.

General Notes:

1. UP 03999 was renumbered from UP 1399 in October 1956 when it was transferred from Omaha to System Roadway (maintenance of way) shops at Pocatello, Idaho; renumbered to UP 903999 in December 1959.

General Notes:

1. UP 903999 was renumbered from UP 03999 in December 1959, while assigned to the System Roadway (maintenance of way) shops at Pocatello, Idaho; used at Roadway equipment shop at Pocatello, Idaho, from October 1956 until 1972; sent to Omaha for a complete rebuild in late 1972, completed in February 1973; used as Omaha shop switcher until retirement in 1974.
2. Photo of UP 903999 at Pocatello on October 12, 1967 by Matt Herson, available at LocoPhotos.com.

Notes:

1. Sold to Diesel Supply Co., in June 1974; sold to General Dynamics, Electric Boat Division, Groton, Connecticut in August 1974, shipped from Omaha on August 19, 1974; named "Diane" while at General Dynamics; donated to Danbury Railroad Museum, Danbury, Connecticut in about July 2006
   

General Notes:

1. LA&SL E-100 was built new as Glendale & Montrose Railway 22 in 1923; G&M abandoned on December 30, 1930; locomotive sold to LA&SL in May 1931, numbered as E-100, for use on former G&M tracks between Delay Drive Siding and Glendale
2. Electric service over former G&M tracks discontinued in 1940; the Glendale Branch was dieselized in July 1942 in one of the earliest uses of diesel switch locomotives on UP in California; LA&SL E-100 was sold UP subsidiary Yakima Valley Transportation Company
3. LA&SL E-100 was equipped with 36-inch wheels; 60:17 gear ratio, and four Westinghouse Model 562-D5, 100 horsepower traction motors
4. LA&SL E-100 was Baldwin-Westinghouse Class B-1
5. LA&SL E-100 had Baldwin-Westinghouse order number 23577
6. Reference: Signor, John. The Los Angeles and Salt Lake Railroad Company, Union Pacific's Historic Salt Lake Route, pages 107, 114

Notes:

1. LA&SL E-100 was sold to UP-owned Yakima Valley Transportation Company 297, Yakima, Washington in March 1942, delivered to Yakima in September 1942; donated to Orange Empire Railway Museum, Perris, California in November 1985.

General Notes:

1. LA&SL E-101 was built as unmotored Pacific Electric flat car 3072; rebuilt in 1903 by Pacific Electric shops to motorized work motor 38; renumbered PE 1537 in 1911; sold Mar 1916 to Glendale & Montrose 21 in March 1916; changed by G&M from work flat to enclosed box motor
2. UP purchased G&M (and both locomotives) in May 1931 after G&M was abandoned on December 30, 1930; locomotive assigned LA&SL E-101 but not renumbered; seldom used; by 1934 the locomotive was boarded up and out of service, stored in the former G&M yard in Glendale, California
3. LA&SL E-101 was equipped with 33-inch wheels and four Westinghouse Model 76, 75-horsepower traction motors
4. Locomotive history:

Notes:

1. LA&SL E-101 was sold for scrap in September 1936 to Pennsylvania Iron & Steel Company, Los Angeles, California (some sources indicate that the former G&M 21 was burned by Pacific Electric at their Torrance Shops)

General Notes:

1. G-M denotes Gas-Mechanical; D-M denotes Diesel-Mechanical; D-E denotes Diesel-Electric.
2. Union Pacific used the term Roadway Service for all of its maintenance of way equipment and activities.
3. UP-1 to UP-5 and MW-1 to MW-8 were 29-1/2 inch gauge and were used at UP's tie plants in Laramie, Wyoming and The Dalles, Oregon.

Notes:

1. UP-1 was retired in 1950 under Work Order 6114; UP records show replaced by MW-1.
2. UP-2 was retired in 1936 under Work Order 1278.
3. UP-3 had 97 horsepower; retired in 1950 under Work Order 7947; UP records show replaced by MW-7.
4. UP-4 was retired in 1938 under Work Order 5788; UP records show replaced by MW-4.
5. UP-5 renumbered to MW-3.
6. MW-1 had 190 horsepower; renumbered from MW-6; still in service during November 1978.
7. MW-2 was renumbered from MW-8; still in service during November 1978; sold to Kerr McGee, number KM-2D.
8. MW-3 renumbered from UP-5; retired 1968 under Work Order 31009.
9. MW-4 had 147 horsepower; was still in service during November 1978.
10. MW-6 had 190 horsepower; renumbered to MW-1.
11. MW-7 had 190 horsepower; still in service, November 1978; sold to Kerr McGee, number KM-1D.
12. MW-8 renumbered to MW-2.

General Notes:

1. G-M denotes Gas-Mechanical
2. Union Pacific used the term Roadway Service for all of its maintenance of way equipment and activities.

Notes:

1. (No Number) 140 horsepower; purchased second-hand from Boeing Aircraft Company in 1971; used briefly as shop switcher at North Platte; transferred to Roadway equipment shop in Pocatello, Idaho; removed from service in 1976; retired on 24 February 1978 and sold.