The toro 21681 ads is a 48cm cut 3 in 1 lawn mower with rotary blade and 4 wheels.automatic drive systemthese recyclers are equipped with the unique toro automatic drive system. This self propulsion system innovatively matches your step and pace, allowing you to mow effortlessly up to 6.4 km h. Recycler technologyminces grass clippings into fine mulch particles for a healthy, beautiful lawn thanks to the toro patented cutting chamber. Height of cut1 point height of cut adjustment from 25mm to 102mm with smartwheel®. The easy to use smartwheel® gauge helps adjust the height of cut for the best cutting results every time. specificationsengine toro 159cc 5.5 hp ohveasy pull recoil startcutting width 48 cm 19 cutting heights 1 point between 25 102mmaluminium chassisdrive self propelled with variable speedequipped recycle system.collector 60 l. Tank or rear discharge.dimensions height 1110mm, width 510mm, length 1565mmweight 37.6kgmanufacturer's 5 year domestic 45 days commercial warranty. Annual service required