UNIT WILL START AND RUN ON EITHER BUT MACHINE HAS FUEL ISSUES. WE ARE SELLING AS IS FOR REPAIR. ENCLOSED CAB WITH HEAT AND AC, 66 HP DOOSAN DIESEL ENGINE, 12" RUBBER TRACKS, JOYSTICK CONTROLS, 17.1 GPM AUX HYDRAULICS, RADIO, KEYLESS START, 2100 LBS LIFT CAPACITY, 7822 LBS OPERATING WEIGHT, (SHOWING 5696 HRS), SN ALJU19300, ST# 14991