What is the optimal wood condition for splitting? This log splitter is designed to split standard size logs [max log diameter: 8 inch (20.3 cm); max log length 18 inch (46 cm); min log length: 13.5 inch (34.3cm)]. Do not split oversized logs. Related articles How do I properly operate my Log Splitter? My Log Splitter is not working correctly, what do I do? What is the max cutting thickness for the SWJ807E Convertible Pole Chainsaw? How do I convert the chainsaw into a pole chainsaw? How do I adjust the torque on my Cordless Drill?