Well had a chance to do a little work with the new TYM 300 tractor. Box bladeing, tree removal etc. Last night I drove up to a thorn tree that was about 8-10" in diameter, set the blade about 4 feet off the ground and just pushed the sucker out of the ground roots and all, tractor barely broke a sweat, 4wd,1st. gear, mid range just above idle speed So far I'm loving this new tractor. cool:
TYM workout
- Thread starter 8x56mn
- Start date
I remember being totally amazed the first time I did something very similar.
Loved it. These things are powerful and can do so much. This 1st season with it I predict it will continually amaze you with what all it can do.
Need pictures!! 
nuffer460
New member
That's a good question! My grandfathers used to rate tractors by horsepower and 3pth pin size. Category 3 hitch pins definitely full sized. Category 2 hitch is a medium sized tractor, maybe!! This is where things get confusing for me. I have a Massey 44 and a Nuffield 460. The Massey has about 40 hp, rear wheel drive. The Nuffield has 60 hp rear wheel drive. Both have Category 2 pins. They also have bigger frames. Now if you buy a compact tractor with 4wd up to 45 hp, they have Cat 1 pins. 50hp and up to 80 or 90 hp have Cat 2 pins. So that kind of puts a bend in my grandfathers thoughts. I have a 25 hp 4wd that can out work my Massey, but the Massey has larger pins. 
Great Question!!!!
Great Question!!!!I thought up to 30 was subcompact utility, 28-50 was compact utility, 50-80 was utility, and 80+ was "full sized ag".
but - an AC D17 is considered an ag machine, and it's pretty close to the same size as my 3510. (and has nowhere near the pulling power as a neighbor of mine discovered a couple of times this winter )
so it's very possible the hitch pins define "size": cat 0 (3/4), cat 1 (7/8), cat 2 (1"), and cat 3 (1 1/8")
but - an AC D17 is considered an ag machine, and it's pretty close to the same size as my 3510. (and has nowhere near the pulling power as a neighbor of mine discovered a couple of times this winter
)so it's very possible the hitch pins define "size": cat 0 (3/4), cat 1 (7/8), cat 2 (1"), and cat 3 (1 1/8")
There are a lot of overlapping models between compact, compact utility, and full size tractors. Compact and compact utility tractors can be as much as 60 pto hp, while full-size may start in around 40 up. Generally each manfacturer will designate whether a particular model is a compact tractor or a full-size tractor. The compact tractors are usually shorter and lighter than their full-size brothers.
Fred
Fred