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mn | Most of the head gasket and liner failures are due to the front axle being articulated to the stops hard. The way the front end is designed, doing this will twist the block and cause problems. I've had mine for 9 years and it has been trouble free. All I have done to it is removed the radiator to wash it out. They are not bad tractors, you just need to use a little common sense. Also need to realize that they are 35 years old and naturally going to eventually have some issues.
Also check how well it engages into D rage. Put it in D and try to feel where the gears mesh. It should not be at the very end of the shifter stroke. Guys were known to shift ranges while moving which would grind off the D range gear because the ranges are not synchronized. Also turn all the way left and right while in neutral and white moving in 1st gear. Pay attention to any growling or vibration that would be caused by the u joints in the pivot. There will always be a little but not much. | |
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John Deere 8440 - What to look for?
