Mantis® XP Extra-Wide 4-Cycle Tiller/Cultivator - Mantis Our Widest, Most Powerful 4-Cycle Tiller Ever. This extra-wide rototiller is designed for large gardens and yards. Powered by an easy starting Honda® 4-cycle engine and combined with specially designed tines, this tiller matches the performance of a big, front-tine tiller but is easier to use! Breaks through sod, compacted soil and hard clay. Toro Recycler® SmartStow (22") 163cc Self-Propelled Lawn Mower The Toro Recycler® SmartStow (22-Inch) 163cc Self-Propelled Lawn Mower 20339 has been discontinued. Check out Expert's recommended alternatives for another top walk-behind.