The SK Series is a truly versatile machine. It can be trailer / truck mounted and is a real asset when electricity is not available. The industrial rated 389cc Honda electric-start engine provides power to the pump and 12 VDC burner. The Stainless Steel wrapped 1/2" SCH 80 coil heats the water up to 250F. You will experience extended run times with the large 16 gallon diesel supply and 1.6 gallon gas tanks. The machine is complete with gun/wand and 50' hose, quick connect nozzles, adjustable thermostat, pressure relief valve, burst disc and flow sensitive unloader. Requires group 24 550 CCA battery, not included.