The grizzly brm51bsa 190cc petrol lawn mower has a 4 stroke briggs amp stratton 625 series ready start engine that produces 236kw of power the fuel tank has a capacity of 1 litre and the cutting width is an impressive 51cm the large 60 litre collection box means fewer trips to the bin and the 10 stage central height adjustment facility allows you to customise your cutting height between 25 80mm