I have the kataboy and it is pretty awesome. It’s in the Jeep 100%. It can be a bit awkward at times but easier to use in other situations. I hate chainsawing above the chest but the kata is great for overhead cutting.I'm still looking at electric chain saws without getting much closer to buying because the loggers I often wheel with usually have their gas powered chain saws out and the job half done before I can even get out of my jeep.
I have some overlanding friends who sing the praises of the Silky KATANABOY saw from Japan.
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I also have a Milwaukee m18 that is amazing. It cuts really nicely and have a m18 charger in my Jeep but you still need to carry bar oil if you want to do a lot of cutting. M18 is nice you don’t need hearing protection but it’s also easy to forget how dangerous it can me. I loggers I wheel with do hate it but then always surprised.