Hi Torque S906 Hydraulic Root Cutter Motor Category_Default Category Products Motors and Tap Cutters Hydraulic Root Cutter Kits Runners are made from spring SASR 1 Runners are made from spring steel for long life and the complete unit is zinc dipped for long life and corrosion protection You feed your hose through this lower brace which helps you to lower your hose and nozzle together down to the manhole entrance The Hi Torque Root Cutter motor is the “Famous” S906 gerolor type motor To that end we have an outlet port that doubles as a zirk grease fitting so you can pump the unit full of grease once the water is removed