In Reply to: Re: 5 or 6 ft mower posted by Ozlander on March 20, 2018 at 20:39:04:
Tractor speed is reduced in Sherman UD proportional to reduction in PTO speed.
I've both 51 and 52 8Ns with Sherman combination transmissions, both are almost always in UD. I can mow MUCH heavier cover in UD than in direct.
Been doing it for going on 50 years now.