4-OF3 oil free air compressor and 2-OF3 oil free air compressor Air Compressor Wholesale 5.5kw 7.5hp 3-cylinder air compressor machine 500 liter for painting cars. EQUIPPED WITH SILENCER: The operating sound of the air compressor is around 60dB VERY QUIET. Start switch: enhanced vertical switch Start up operation Press down to turn off the motor. Copper Motor: High-quality pure copper wire, high temperature resistance, long service life, strong motor power and efficient operation, high stability.Pressure Gauge: Accurately display the air pressure value of the air compressor tank, view and adjust the direction to meet the needs of different jobs. Safety Valve: Maintain stable air pressure, protect user safety, and ensure quality. Intelligent Electric Control Box: Control the motors to start separately, one to one motor single hole, one failure, does not affect the other. COOLING FAN:Large-diameter heat dissipation holes, faster heat dissipation, suitable for working in a long-term environment. BIG WHEEL MOVE: Soft leather, wear-resistant and shock-absorbing large rollers, more convenient to work and move, and have a long service life. PRESSURE GAUGE: Accurately display the air pressure value of the air compressor tank Convenient to view and adjust at any time Meet different work needs. ELECTROMAGNETIC VALVE: Protect the motor when the power is off Longer motor life. COPPER WIRE STABLE OUTPUT HEAT SINK: Copper wire motor, pure copper material (coil), large number of coils. high power, fast air speed, ensuring high work efficiency.