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 - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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