Petrol lawn mower series mountfield s cutting width 41 cm max lawn area 400 m min cutting height 25 mm max cutting height 75 mm cutting height steps 5 positions engine make stiga displacement 140 cc grass box capacity 60 litres front wheel diameter 170 mm rear wheel diameter 210 mm start system pull start safety feature operator presence control housing material steel power supply petrol schallleistungspegel 96 plastic grass catcher weight