BMCKENZIE, the splitter works great, I think the coupler is welded at a good location because I can curl the bucket all the way back and it will flip the splitter "right side up" for normal splitting, or I can use it inverted to grab and split larger logs. The Aux circuit on the TB125 is factory set at ~3000psi, which is similar to most log splitters so it has plenty of power. I have found sometimes the detent seems to pop on a big log but if I try a few times, it will split it anyway. I haven't had a chance to test my hydraulics, the detent might be popping early. I have it plumbed into the thumb circuit, and definitely need the curl still working since I use that to help position the splitter and also to "shake" the log off the splitter once its split.