The billy goat f1802 spv is the ultimate wheeled blower for power and force. Fitted with a briggs and stratton 570cc vanguard engine and self propulsion for increased power and productivity.the 6 inch discharge on the f1802 spv with air velocity of just below 200mph will blow and push leaves and debris farther, so you can clean up faster than with any other billy goat blower. This f1802spv produces 7 times the volume of air compared to other conventional back pack blowers.a large scale, powerful blower like this billy goat is suitable for professional users in parks, schools and other commercial settings.the billy goat f18 series smooth, rounded housing eliminates air voids for a smooth, quiet and powerful flow. The proven billy goat design won’t rust or dent. Operator fatigue is reduced by the self propelling option and padded, thicker handles.specificationsengine briggs stratton 570cc vanguard commercial gradedrive yes, self propelledforward discharge17 inch 16 blade fanvelocity just under 200mphdischarge 6 inchweight 83kg 183lbswarranty vanguard engine warranty 1 year machine domestic and commercial