My 4710 is a little smaller. Probably 4500 lbs with loader. I use 4x4 in low when I go down hills. Seems like long axles would be a severe hindrance in the woods.As JWR says, the Japanese don't seem to understand about widening the tractor wheelbase for hillside work. But American farm tractors do.
There is a 3pt kit for the M59/62. I'd get it if you go that way, but swapping the hoe and 3pt is enough of a chore that you may want to keep your eyes open for an extra 3pt tractor.... an older American farm tractor for the 3pt hillside work. Although compact and utility size tractors don't have much ability to widen their stance, the next size up in the tractor world are those farm or ag tractors and many offer adjustable width of the wheelbase.
Our old JD "B" ag tractor isn't much good for anything except 3pt work, but like most farm tractors it came with long rear and front axles. The tires can be extended out along those axles to nearly ten feet total. That makes it almost as wide as it is long, looks ridiculous, but is almost impossible to flip. You can find ag tractors with extra long and wide axles.
My own view about hillsides is I try every way possible to avoid going there.
Both of our TLBs will will slide sideways before it begins to feel tippy. I don't know why that is so, but am very glad it does. Both have wide construction tread tires with heavy sidewalls. The M59 weighs a bit over 8000 lbs, the JD 310 about twice that.
Note that most American and Japanese tractors and TLBs DO NOT have brakes on the front wheels or any suspension - although I understand that European tractors have both. Think for a moment about what that means when going downhill with a weight in the loader bucket.....
rScotty
Disappointed to hear that changing the BH is a chore. May push me to re-think my equipment choices.