The billy goat f902h is a powerful honda engined self propelled force blower. At the heart of the force ii is a new single shot, closed face fan. At 16 blades, billy goat has 2x as many blades as the competition. A distinct black grill marks the force ii. Unlike metal housings, the proven housing features a smooth, rounded design that eliminates air voids, reduces noise and increases output efficiency. Features specificationsimproved design of soft rubber is standard. Direct the airflow where you need it most with fingertip control. Lockable for single position.engine honda gx270chassis wheel front 10 inches x 3 inches pneumatic wheel rear 13 inches x 5 inches pneumatic weight 139 lb length 58 inches width 29.25 inches height handles 32.5 inches housing 45 inches manufacturer's 1 year domestic, 6 month commercial warranty