The HW531 PD model is what we call a "big wheeler", as it features rugged looking 280mm diameter rear wheels which give the lawnmower a very purposeful look, as well as ensuring a smoother finish, even on more lumpy grass. With the attractive red steel cutter deck, this mower really looks the part. It is also fitted with a front anti scalp plate which ensures a great finish, even on the lowest cutting heights. Naturally, a mower of this specification is self propelled, so it is effortless to use; simply pull up the drive lever and away you go, release the lever and the mower comes to a stop, and with the quick release folding handles it takes up little space when not in use. The HW531 PD is a self propelled lawnmower powered by the NEW Mountfield ST170 OHV engine that is easy to start thanks to the Autochoke system The self propelled feature takes the effort out of pushing your mower around the garden - simply pull up the clutch lever and it moves forward, release the lever and it stops - couldn't be easier! The generous 53cm deck means the grass will be cut in no time and makes this mower suitable for longer grass areas and larger gardens up to 50m x 50m