The Mountfield S421R HP rear roller petrol lawn mower is a great choice for homeowners with a small to medium sized garden wanting to leave their lawn with a lucious green cut. This hand-propelled machine is powered by a Mountfield ST120 Autochoke engine, producing 1.9kW of power at 2900 rpm, drives the 41cm wide cutting blade with resultant clippings being collected in the 55-litre canvas hard top collection bag.