Emglo EM810-4M 4-Gallon Heavy Duty Dolly-Style Stacked Tank Compressor Oil lubricated pump with cast iron cylinders provides over 1500 running life hours 4.0 SCFM delivered at 90 PSI pump, 4.0-Gallon tank and 125 max PSI enables more nails to be fired and provides quicker recovery Dual soft start valves assist in cold weather start up. Convenient cord wrap for easy storage Utilizes EMGLO's 50 years of expertise in air compressors 10-Inch pneumatic wheels and collapsing handle for ease of mobility and storage Top load panel allows unit to transport up to 100-Pound of cargo.