Max Splitting Force: 12 Ton Max Splitting Size: 520(L )x 300(D)mm Cylinder Diameter: 3'' Travel Time: 29S Engine type: 6.5HP Engine Displacement: 196cm3 Max. Power: 4100W Rated speed: 3600rpm Bore x Stroke: 68 x 54mm Compression ratio: 8.5:1 Engine type: 4 stroke, single cylinder