XAMS850CD7, 2008 ATLAS COPCO XAMS850CD7 Length: Wheel Mounted: 199 in. Width: Wheel Mounted: 78 in. Height: Wheel Mounted: 82 in. Weight: Wheel Mounted Wet: 7,497 lbs. Engine Make: CAT Engine Model: 7 ACERT III Engine/Drive Type: Electronic Horsepower: 249 hp Cylinders: 6 Rated Speed: 2,000 rpm Number of Stages: 1 Cooling: Engine: Water Compressor: Air / oil Fuel Tank Capacity: 77.4 + 26.4 gal. (secondary) Fuel Consumption: 0% Load: 6.8 gal. 100% Load: 13.4 gal. Free-Air Delivery: 848 cfm / 125 psi Rated Operating Pressure: Minimum: 58 Maximum: 150 Noise Level: 72 dBA Free-Air Delivery: 848 cfm / 125 psi Rated Operating Pressure: Minimum: 58 Maximum: 150 Noise Level: 72 dBA Features Low noise and exhaust emissions Practical design with easy service and maintenance access Few moving parts Engine speed adapts to air demand.