20 gal. 9.0 HP Barrel Portable Gas Air Compressor/ COMPRESSOR QUANTITY: 1 GAS FOR WHICH DESIGNED: AIR PART NAME ASSIGNED BY CONTROLLING AGENCY: COMPRESSOR,AIR SPECIAL FEATURES: PORTABLE GAS AIR COMPRESSOR; BARREL TYPE; 8.0 HP; FREE AIR CFM @ 90PSI: 18.3; FREE AIR CFM @ MAX. PRESSURE: 17.2; MAX. PRESSURE: 175PSI; 20 GAL. TANK; HORIZONTAL TANK TYPE; HONDA ENGINE; CAST IRON OIL LUBRICATED PUMP TYPE; 3/8IN. FNPT OUTLET; 985 RPM; DIMENSIONS: 46-1/2IN. L X 24-1/2IN W X 37-1/2IN. H