Attachment Sizes/Ratings

[joe88340]

I have a woods 84 inch land plane fantastic for gravel driveway. Also has 6 teeth and I used them to level my fields where it was pretty rough. Much better than box blade.

 

[RedNeckRacin]

Just asking... ?
Isn't the HP is direct proportion to the size/weight of the tractor.
As the HP goes up so does the size of the tractor !

To a certain extent your right, but a 4wd tractor will pull a lot harder than the same vintage 2wd tractor. Like bill posted earlier though, if your talking older iron hp and weight vs the newer stuff, that's another can of worms entirely.

 

[motownbrowne]

Just asking... ?
Isn't the HP is direct proportion to the size/weight of the tractor.
As the HP goes up so does the size of the tractor !

Often that just isn't the case. You can buy a B series Kubota with 30hp, or a grand L with 30hp. They will have vastly different weights.

At the state fair this year in Minnesota I saw a restored "Flour City" tractor from the early 1900s. 45 horsepower I think. Kerosene powered 3 or 4 cylinder. Weighed in at 20,000lbs. Designed to pull 10 plows! Not many 45hp tractors with that kind of pull these days.