i bought one of the first year jd z445 25hp 54 in deck, had to put a needle valve in the carb a few years ago been pretty much abused over the years on the farm and now its at the lake.
got a hustler super z 72 inch deck 35 hp kawaski I bought it as a demo with 70 hours on it. saved 4k over new price. super heavy duty comercial mower skalping sob though.