The EMD SW1001 is a diesel switcher locomotive built by General Motors' Electro-Motive Division between September 1968 and June 1986. A total of 230 were constructed, mainly for North American railroads and industrial operations.
The SW1001 was developed because EMD's SW1000 model had proved unpopular among industrial railroad customers, as the heights of its walkway and cab eaves were much greater than those of earlier EMD switcher models. The overall height was similar, but the SW1000's roof was much flatter in curvature. Industrial railroads that only operated switchers often had facilities designed to the proportions of EMD's earlier switchers.
The SW1001, in essence, placed the hood and powertrain of the SW1000 with the underframe and cab of the earlier SW1200. The EMD 645-series diesel engine had a deeper crankcase and oil pan than the SW1200's EMD 567-series engine. The engine had to be mounted on risers for sufficient clearance, raising the whole hood about above the walkway compared to the SW1000, and requiring a spacer under the hood. The cab was similar to that of the SW1200, but not identical; it is longer, and has a different window arrangement. The SW1001 uses the same pilot plates as the SW1000; given the lower frame height, these protrude above the walkway deck height, giving the most obvious SW1001 spotting feature.
Export models The SW1001 locomotive type was used in a number of countries outside the USA: in the Americas four units were bought by Canadian businesses; two by Saskatchewan Power and two by the National Harbours Board. 18 by companies in Mexico: 12 by AHMSA, 3 by Lazaro Cardenas Steel (ArcelorMittal), and 3 by Pemex.
In Africa five were supplied to the Boke project in Guinea in the early 1970s and 18 were acquired by the railways of Morocco (ONCF) in 1982 as type DI 500. In Asia the Korean National Railway acquired 28 between 1969 and 1971.
One was acquired in 1980 by Foster Yeoman (vehicle code Y44), and another by Hanson Aggregates in 2000 both for use on quarry industrial sites in the England. They are based at Whatley Quarry and Merehead Quarry, both part of Mendip Rail operations.
Five were bought for the government railways of Saudi Arabia in 1981.
Additionally 60 variants with a redesigned cab were built under license as the Renfe Class 310 for the railways of Spain between 1989 and 1991.
EMD (Total Built = 142) Railroad Quantity Road numbers Date BuiltAlabama By-Products Corporation1 10008/1971 Aliquippa & Southern3 1000-1002 2/1973-3/1975 American Steel Foundries2 9G9-9G10 6/1979-7/1979 Amoco Oil1 SE3 12/1978 Armco Steel24 E150-E169, 1-18-38-1-18-40, 1215 10/1974-6/1982 Birmingham Southern8 18-19, 220-225 5/1973-10/1974 Champion International1 06056 7/1979 Chicago Short Line2 28-29 9/1974 Coors Brewing1 C998 12/1980 Corinth & Counce Railroad3 1003-1005 10/1974-5/1981 Cuyahoga Valley1 1051 2/1973 Detroit Edison1 217 9/1968 Dow Chemical5 1001-1003, 1008-1009 12/1980-4/1981 East Cooper & Berkeley2 2001-2002 12/1977 Electro-Motive (Demonstrator)1 117 12/1979 Elgin, Joliet & Eastern Railway2 444-445 8/1971 Ford Motor Company10 10014-10023 10/1968-12/1975 Galveston Wharves5 301-305 10/1975-7/1980 General Motors, Central Foundry Division1 1971 8/1971 General Motors, Chevrolet Motor Division1 96 5/1972 Indianapolis Power & Light1 No Number 3/1982 Inland Steel2 126-127 3/1976 Interlake Steel2 17-18 10/1974-11/1974 Intermountain Power1 1 4/1985 Lake Terminal Railroad1 1021 10/1968 Long Island Railroad8 100-107 3/1977 Monongahela Connecting Railroad6 420-425 2/1970-3/1976 New Haven Trap Rock1 7357 7/1976 Newburgh & South Shore5 1018-1022 2/1970-4/1975 Northwestern Steel & Wire3 2-4 5/1981 Olin Corporation1 1 6/1982 Public Service Company of Colorado1 15-1 11/1973 Reading Company15 2601-2615 11/1973-12/1973 River Terminal Railway8 101-108 9/1968-12/1978 St Joseph Minerals Company1 1004 8/1974 Savannah State Docks2 1001-1002 4/1978 South Carolina Public Railways1 1001 4-1975 Texas Company1 24 1/1976 U.S. Steel, Gary Works3 88-90 3/1970-1/1971 Union Railroad3 101-103 3/1976
GMD (Total Built = 4) Railroad Quantity Road numbers Date BuiltNational Harbours Board2 7601-7602 7/1976 Saskatchewan Power2 1001-1002 11/1978
Export (Total Built = 72) Railroad Quantity Road numbers Date BuiltAltos Hornos (Mexico)11 142, 151-156, 159-161, 164-165 8/1974-12/1980 Boke Project (Guinea)5 201-205 3/1972-10/1974 Foster Yeoman (Great Britain)1 44 12/1980 Korean National Railroad (Korea)28 2101-2128 3/1969-1/1971 Lazaro Cardenas Steel (Mexico)1 No Number 1/1976 Mexican Petroleum (Mexico)3 5, 24-25 8/1980-6/1986, Units 24-25 were built in 8/1980, Unit No. 5 was built in 6/1986. Moroccan Railways (Morocco)18 DI501-DI518 10/1982-9/1984 Saudi Government Railways (Saudi Arabia)5 1022-1026 11/1981
See also List of GM-EMD locomotives
References
External links
The EMD SW1001 American-Rails.com