The Hitachi EC119SA is a 4-gallon twin-stack, oil-lubricated air compressor designed for professional contractors, featuring a 15-amp induction motor (roughly 2.5 HP) and a protective roll cage. It delivers 5.3 CFM at 40 PSI and 4 CFM at 100 PSI, with 135 PSI max pressure. While known for durability and quiet operation, it is discontinued by the manufacturer, with parts available from third-party retailers.