Independent Locomotive Service GP39-2 1390, see here on a Nebraska Kansas Colorado Railnet ballast train, is the former Union Pacific 2749, ex-HATX 3950, ex-Kennecott Copper (KCCX) 795, ex-KCCX 110, nee-KCCX 795. The engine was originally built with an extended-height cab for use in Kennecott's copper mines (which retains unusual overhangs on the front), and still carries an unusual fuel tank.
