Harry, that's remarkable. There are several varieties of locust, so that might explain it. We have stalled out a 20-ton log splitter on occasion while trying to get through locust. Around here, it's tough as nails--easily as tough as American elm. Locust crotchwood is--well, never mind. :censored:I find that green locust splits fairly easily and dry will almost fall apart due to the deep checking. Been awhile since I checked but I recall the charts listing it as either 'easy' or 'moderate' in splitting effort.
Harry K
I do recall loading up my pickup with green locust one year, mounding it up without the side rails because I knew the stuff was dense as pea soup. The load was so heavy that the truck cussed at me all the way home. I told her, "It's OK, girl. I understand. I'll always remember in the future to mix something else in."