Hitachi EC119SA 15 amp 2.5-Horsepower 4-Gallon Twin-Stack Air Compressor  (Discontinued by Manufacturer) Powerful induction motor Cast iron, oil lubricated pump with oversized bearings for quiet, dependable service Contractor preferred 4-gallon twin stack tank (2) factory installed couplers Comes with a 1-year limited warranty Quiet operation and extended life Powerful 15 amp-induction motor Protective roll cage design protects the pump and motor from damage Includes 2-inchdustrial couplers, oil dipstick, and 8-ounce synthetic oil 1-year limited warranty