Many moons ago, when I used to mow commerically. I would have sooner put a bullet in 21" mower than put it on my trailer, I turned away work if it required one. Still one was on my trailer 'just in case' it alwaysjust "went for a ride"
I would just assume Pi$$ all over a 21" as soon as pay $1000 or more for one ha!
Ive changed my tune, I have a commercial honda hydro 21"
Priceless!
Its a tank.
My suggestion
#1) buy the commerical 21" (even though you think it costto much for the size of the mower)
#2) buy a used commercial 21" (If you can people that do have them never give them up)
#3) buy a 36" commercial mower used (you can find a belt drive around $700-$1000) OR
#4) DONT MOW.
Never never never use a non commercial 21", now that I have seen the difference and used one, I'll never use a non commerical 21" again.
a commercial 21" you could use for five years, 3 non commercials might get you through the same period of time if you arent mowing 8 hours aday with them, BUT after 5 years you could STILL sell that commerical for $600!
The three non commericals will all be useless parts by then.
IF you want to keep useing the commercial 21" you still can. Plus the 21" commecial is going to have a MUCH better cut and less down time! (ALOT less)