Sullair 900 Tier 3 family rotary screw portable air compressors deliver 600 to 1050 cfm at 100 to 175 psig or 17.0 to 29.7 m3/min at 6.9 to 12.1 bar. Unit is designed for reliability and total accessibility. Powered by a Tier 3 emissions compliant Caterpillar engine. Mounting options are tandem axle or steerable wagon wheel. Enclosure is made of durable powder coated Galvanneal sheet metal. Other features include leaf spring suspension, wheel bearing grease fittings, and a lockable curbside instrument panel. The compressors feature a pneumatic inlet valve and 0 to 100% capacity control.