The Sullair 600H double Axle Tier 3 rotary screw portable air compressors delivers 600 cfm. Unit is designed for reliability and total accessibility. Powered a choice of a Tier 3 emissions compliant Caterpillar or John Deere engine. Mounting option is 2-wheel, single axle or less running gear. The compressors features a pneumatic inlet valve and 0 to 100% capacity control.