I got rid of all three units. Only thing I got out of dealer was they could not find a problem. Regional serviceman never showed, so I became skeptical of my dealer. I was not too impressed with the units. The ZG227 was horrible. This unit is not worthy of being called a commercial unit. The two ZD331's were okay, but the power issues with the one and the fact that neither one of them cut worth a crap was enough reason for me to move on. Oh yeah the hydro systems sucked as well! I purchased three Hustlers and have been overly satisfied to date with them. I just hate I wasted the money on the Kubotas in the first place.