First decide if you want a real commercial mower, that has commercial grade parts, or an expensive toy.
The cheaper zero turns have plastic parts, thin decks, cheap bearings, and weaker hydraulic pumps….
Most of the bad boys I looked at were very much on the lighter side for the price.
If your yard is smooth you will be ok, but a rough yard will beat the cheaper (light commercial) machines apart.
Choose what you can get service on close by, and talk to local yard contractors and find out what they like.
Do you want a machine that lasts 500 hours or 2500 hours?
I chose a Toro Zmaster 2000, which is the lower end of a true commercial machine, it’s comparable to other $10k machines and I got mine 52” for $9300 with a 6 yr full warranty.
Another thing to look at is mowing speed vs blade speed.
10 mph is pretty fast for 2 acres, I only have a few places I can run mine full speed, and it’s still a handful to stay in the sticks.
My dad’s old Woods mower 26 yo still mows 12 mph and that’s way too fast for most yards that haven’t been smoothed.
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