445 and 5 Star Molines, were pretty bad also. The hyd on all models was prone to trouble. The trouble is that the valve that shuttles oil first to the valve you are using, gets hot and expands and doesn't center after you are done using it. Gets even hotter and ruins the hyd pump and hardens all the seals and o-rings. A simple fix is a hyd gauge on the dash. You can see the pressure hasn't relaxed. A little blip of the lever will center it. All first torques were junk. The sprag bearing that held the sun gears for low gear wasn't up to the task. We put new gears in every trans of every 5 Star. Put new bull pinions and ring and pinions in every 445 and 5 Star. and most M5's Also put new seals in every 445 and 5 Star 3 point cyl. and most 4 star's and M5's Did very little engine work, except making them bigger. If Moline had just up-dated ZB and UB Specials. would have stayed a little longer. Vic
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Today's Featured Article - What Oil Should I Use? - by Francis Robinson. I keep seein this question pop up over and over again in discussion groups all over the web. As with many things there are often several right answers and a few wrong ones. Some purist I'm sure will disagree to no end with what I will tell you but most of us out here in the real world don't really care do we ? Some of them only bring their noses down out of the air long enough to look down them anyway. If you are like me you are only doing this old tractor stuff because you enjoy it. You
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