About the RTR Series Tiller The Tufline tiller is a durable heavy built tillage machine. It is ideal for farmers, outdoor enthusiasts, gardeners and various landscaping and contractor needs. The RTC and RTM come standard with a gear driven transmission and six blades per flange which gives this tiller the torque to cut through the toughest of soils. All Tufline tillers come standard with a slip clutch protecting the tractor and requiring operators less maintenance. The Tufline tiller has a unique and seamless solid frame design with a powder coat paint finish.