1. tractor powered. 2. matches 18-25HP tractor. 3. high quality & low price. 4. popular in America & Europe Model: XL-S-006Working Pressure: 16 tons,Max. Splitting Diameter: 350mmMax. Splitting Length: 660mmOperating Stroke Cycle Term: 20-25sHydraulic Valve: two-position & cross-joint, automatical unloading in case of overweightTractors to Match: 18-50HP Wheel Tractor XL-S-006 Log Splitter