DEWALT built the D55146 Heavy Duty 4.5 Gallon. 200 PSI. Heavy Duty Hand Carry Compressor with Wheels is quiet. efficient and solidly built; constructed to withstand harsh jobsite conditions. Its dual connections allow users to simultaneously operate up to 3 framing nailers or 2 roofing nailers. This versatile compressor is useful to both small framing carpenters remodelers and large trim carpenter crews remodelers alike. The unique. patented high efficiency motor and high pressure pump provide a maximum pressure of 200 PSI with 5.0 SCFM @ 90 PSI so you never lose pressure. The D55146 is convenient. with an oil free. maintenance free pump and is easy to move store with pneumatic wheels. Its the perfect compressor to choose if you need a lot of power and a low maintenance tool.High flow coupler allows for maximum nailer performanceMetal console panel provides a display area well as protects the gauges. couplers. and regulatorOil free. maintenance free pump. for convenient use