To put it bluntly, they still tore up final drives, just not as readily. IH put in the original upgrade of bull gears, bull pinion, differential, diff bearings, bull pinion ball bearings etc at a no cost to customer basis however, the bower flat roller bearing on pinion shaft, inside axle and bull pinion and better out side axle bearing was a customer option offered at a very reasonable price at a later date. I put in ten update pkgs in 4 and 560's and many of the bearing packages later on. I also put a 560 up date of bull gears etc in a 450. That was in the days when these tractors did the work, now days they don't give problems around here. My advice , let it slip a little, tires are still cheaper than gears, look at them as your slip clutch.
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Today's Featured Article - Hydraulic Basics - Part 2 - by Curtis Von Fange. In the last entry to this series we gave a brief overview of hydraulic system theory, its basic components and how it works. Now lets take a look at some general maintenance tips that will keep our system operating to its fullest potential. The two biggest enemies to a hydraulic system are dirt and water. Dirt can score the insides of cylinders, spool valves and pumps. Wate
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