Guys these same hydro units are installed on many of the residentual ZTR's out there. I was surprised at how many brands used them. Hustler for instance uses the cheap EZT units on there smaller Fastrak series of mowers. Toro, Dixon, etc... Basically the Z-Force is built the same (heavy duty) as the rest of the residentual line out there with the exception of the stamped deck, which I'm sure makes up for the price difference. If people are having trouble with the hydro units, that's not the mowers fault. You can have the same problem on any brand that used them. Only other alternative is full commercial that uses seperate pumps and big $$$$$$.