The DR Pro XLDRT 18 in. Rear-Tine Rototiller is a top-of-the-line, walk-behind rototiller that gives you the convenience of dual-tine rotation, allowing you to easily switch between forward and counter-tine motion. For tilling or cultivating in established gardens, go with forward rotation. Switch to counter-rotation for sod-busting or loosening compacted soil. Either way, the self-propelled, tractor-style wheels pull the DR PRO XL Rototiller along, making the job easy on you. Dual-tine rotation lets you switch between forward- and counter-rotation, providing the right mode for the job at hand Simple lever adjustment is at your fingertips Tractor-style, pneumatic tires (13 in. x 5 in.) propel the rear-tine rototiller forward easily in almost any terrain. Switch to neutral gear for free wheel performance Drag stake provides extra resistance and can be raised and pinned in place when not needed Debris shield and side walls protect the DR PRO XL Rototiller operator from thrown soil 9.50 ft-lb. gross torque (209cc), OHV engine and chain drive transmission 18-in. tilling width and up to 11-in. tilling depth Ten 11-in. tines Warranty (engine): 2 years residential, 90 days commercial Warranty (machine): 2 years residential, 90 days commercial CARB certified Oil: 20-oz. capacity (30W-HD compatibility) Manual start Foam air filter Forced air cooling