Quote:
Originally Posted by ironman
Just as little brake/hydro story to add to the mix....
I have a friend who has a an old JD Model 120, it 's a 12 hp Kohler with the same Sunstrand hydro as our Cubs. Now the brakes on this thing really suck because it is a drum brake and there is only one, about 4" diameter on the right rear hub.
So this guy has a couple acre field behind his house that he cuts a couple times a year. The field sits probably 75-80 feet lower than his main back yard. The access between the upper and lower is a very steep grassy path about 20 feet wide with trees and brush on both sides with a slight curve to the left. I don't know anything about grade percentage but walking up this hill can make you puff.
Anyway, I have been there and see him drive that JD down that slope. Sure, he doesn't use the brake because it is useless, but as he goes down the slope with the hydro set at its lowest speed, the right rear wheel is trying to slow the tractor but the tractor wants to go faster. So the right rear begins to slide. When that happens, the left rear wheel begins to spin it the reverse direction just like it would if you had the back of the tractor jacked up and were turning one wheel by hand. Crazy, I just shake my head and he laughs.
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If it is a sliding issue, I had this happen with my 1864 in my front yard, there's a spot where there's a pretty steep slope and it gives me trouble going up and down. I picked up a parts tractor a while back that I discovered had loaded rear wheels. I swapped them over to my 1864 and I don't have this problem nearly as much anymore.