The toro 21768 lawn mower comes with automatic drive system and powereverse™. This impressive petrol lawn mower also benefits from toro’s smartstow® system and a reliable briggs stratton series 675exi 163cc engine. For total peace of mind, the toro 21768 comes with a “3 year guaranteed to start” warranty, this guarantees that the mower will starts on one or two pulls for up to three years or they'll fix it for free!the ground breaking smartstow® system is the 1st of its kind! Toro have combined a robust deck, outstanding cutting and a revolutionary space saving design. Toro’s smartstow® system reduces the mowers footprint by an incredible 70%, great for compact spaces and leaving plenty of room in the shed for your other toro tools. The smartstow® design folds, locks and stores your mower in an upright position without any leaks. This also gives the user access to the blade and makes for easy cleaning.toro’s automatic drive system and innovative powereverse™ system adjusts to its environment, when it encounters differing grass levels or slopes, the drive system powers the front wheels for faster mowing and reduced strain. The 21768 has high rear wheels with rugged tyre tread which tackles mixed terrain with ease. An iso flex™ handle offers reduced vibration and has varying working heights to suit individual needs.toro’s range of recycler® mowers have a patented blade and chamber design. The grass cuttings and repeatedly cut until they are reduced into fine pieces. The fine cuttings are discharged and evenly distributed onto the lawn. The mulch decomposes quickly and helps to promote healthy lawn growth by adding nutrients to the ground. The collection bag is easily fitted by removing the rear deflector and attaching to the back of the mower. The collection bag effectively collects grass cuttings and its spacious 70 litre capacity ensures you can mow for longer without the need for emptying.specificationsengine motor 163cc petrol briggs stratton 675 series drive self propelled with toro’s automatic drive system and powereverse™   starting method recoil rope  deck material steel   cutting width 56cm   cutting height 6 height adjustments from 2.5 to 10.2 cmcollection bag 70 litre  functions mulch, bag, side dischargehandle adjustable iso flex™ smartstowweight 34.5kg   guaranteed to start promise 3 yearswarranty 2 year domestic use