DR, Rear Tine Tiller, 212 cc 8.86 FPT, 10.2 FT/LB Gross Torque, Ohv Engine, 3700 RPM & Cast Iron Cylinder Sleeve, Tilling Width: 11", Tilling Depth: Up To 11", Tine Size: 11", Wheels: 13" Pneumatic, Power Driven Wheels. The tractor style pneumatic tires propel the tiller forward easily in almost any terrain. The wheels can be released with a pin for free-wheeling when needed to travel or maneuver the tiller. Counter Rotating Tines (CRT) rotate in opposition to the powered wheels, creating an aggressive tilling action. This helps hold the tiller back, preventing it from leap-frogging forward during heavier uses, like sod-busting or deep tilling in heavy clay soil. The drag stake provides extra resistance. When not needed, it can be raised and pinned in place. The debris shield protects operator from thrown soil. Easy-starting, OHV engine has 10.2 ft-lbs gross torque (212cc). 2 Year Warranty In Residential Use, 90 Days Commercial.