"The NorthStar 8-Gallon Twin Tank gas-powered portable air compressor is engineered for longevity and heavy-duty work on the jobsite. Belt-driven full cast iron two-stage pump features W-type cylinder design for superior cooling, Low Vibration Technology LVT for smooth operation and floating-type Swedish steel valves for long valve life. Crankshaft has bearings on both ends for excellent support. Powered by a Honda GX270 OHV gasoline engine for reliable performance. Engine Displacement cc 270, Start Type Recoil, Drain System Manual, CFM at 40 PSI 15.7, Air Outlet Size in. 1/4 quick connect, Low Oil Protection Yes, After-Cooler Included Yes, Fuel Capacity gal. 1.4, Pump Cast iron, Air Tank Size gal. 8, HP 8.5, Tank Type Horizontal twin, Max. PSI 175, CFM at 175 PSI 14.2, CFM at 135 PSI 14.5, CFM at 90 PSI 14.9, Drive Belt, Stage 2, Engine Honda GX 270, Duty Cycle 100, Dimensions L x W x H in. 42 x 18 x 29, Engine Idle Control Yes, Portable or Stationary Portable. Honda GX270 OHV engine with low oil shutdown Full cast iron two-stage pump for long service life W-style cylinder design for superior cooling Pump head made of FC35 Grade cast iron Floating-type Swedish steel valves deliver much longer valve life Operates at slower RPM to run cooler and last longer Low Vibration Technology LVT features a dynamically balanced pump for smooth operation and long life One-piece cast iron crankcase has bearings on both ends of crankshaft for superior crankshaft support, not overhung crankshaft design 100 duty cycle Delivers 14.9 CFM @ 90 PSI 175 max. PSI Oversized flywheel for cooler operation Heavy cast iron flywheel provides extra momentum Step-type piston rings ensure piston ring overlap for better compression Sight glass for quick viewing of oil level Replaceable crank journals and wrist pin journal/needle bearings Two-piece connecting rods can be rebuilt for superior serviceability High pressure piston wrist pins have needle bearings Easy start lever on unloader valve isolates pump from tank pressure, so engine won't have to start under load Durable steel belt guard Liquid-filled pressure gauge Pressure regulator to control outlet pressure 8-gallon horizontal twin tank Extend your NorthStar pump warranty to 5 years with the purchase and use of a NorthStar start-up kit Item# 45933"