Specifications Model TYPE XL-S-002 Biggest splitting strength 22 Tons Engine   Cylinder 4" diameter X 26" stroke length Valve Auto reciprocating type  Pump Grade2 11Gallons/min Max. wood length 26" Cycle  (circulatory period) 20-25 Seconds Wheel   Wedge 11" Specification of girder 8"X8" Capacity of fuel tank Filter Height Vertical type72 "Horizontal type 42" Length 72" Width 17" Load 380 Pounds The best circulatory period: The real cycle depends on the temperature, speed of engine and power of the pump.