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The A-3080 (LS-1000) is a diesel-electric switching locomotive built between May 1949 and April 1950, by the Lima-Hamilton Corporation of Lima, Ohio, United States. The A-3080 is a 1,000 hp (750 kW) switcher, which became the standard for Lima's designs. By changing settings, the A-3080 was upgraded to the A-3170, producing 1,200 horsepower (890 kW) from the same turbocharged Hamilton T89SA four-stroke, eight cylinder inline diesel engine, a Westinghouse generator and four Westinghouse traction motors provided the 74,508 lbf (331.43 kN) of tractive effort.