Petrol lawn mower series einhell classic cutting width 46 cm max lawn area 1 200 m min cutting height 30 mm max cutting height 80 mm cutting height steps 9 positions rotational speed 3 000 rpm power hp 258 hp power watt 1 900 watt engine make einhell displacement 139 cc engine type ohv cylinder 1 engine cycles 4 stroke discharge rear discharge grass box capacity 50 litres start system pull start features central cutting height adjust