21 inch 3 in 1 BS675E engine self propelled lawn mower Model NO.GLM21-B675EXI-S Engine manufacturer brand BRIGGS & STRATTON Engine model Briggs & Stratton 675ExI Power (hp/rpm) 6.0hp/3600rpm Torque (N.m/rpm) 9.8N.m/3060rpm Max speed (km/h) 1.4km/h (0.87mi/h) Drive method Self-propelled Cutting width (inch/mm) 21"/520mm Cutting height steps 8 Position Cutting height, min - max (mm) 15~75mm Wheel front size (inch) 7" Wheel rear size (inch) 8" Catcher material (plastic/fabric/mix) Mix Catcher capacity (L/us gal) 65L/17.17 us gal Fuel tank volume (L/us gal) 1.0L/0.26 us gal Dry weight 38kg (84 lbs.) Gross weight 40kg (88 lbs.)