The Cobra M40SPC Petrol Lawnmower. With exceptional performance and looks, the Cobra M40SPC 16 Self Propelled petrol lawnmower is powered by a Cobra DG350 Series OHV easy start 4 stroke engine and is self propelled for ease of use. With a single lever height adjuster, this model has 10 different setting from 25mm through to 75mm. Quick release handlles fold down easily for storage.A strong robust steel cutting deck ensures years of mowing. Cobra Lawnmowers are expertly designed in the UK to cater specifically for the changing conditions of the British Lawn. Engine: Cobra DG350 4 Stroke Easy Start. Cutting Width: 40cm / 16. Cutting Height: 25 - 75mm 10 Stage Adjustment. About Cobra Cobra Lawnmower & Garden Machinery - the evloution has begun. Cobra products are backed up by a full UK based service and parts agents.