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Illinois | One of the weak points in the drivetrain on those models is the pinion gear and bearing in the final drive. The differential / steering / and final drives all share the same oil. The pinion gear or pinion bearing goes out and it takes the whole rear end finals with it. If you don't mind removing the track, pulling the final drive housing off and replacing the pinion gear and bearing every couple of years you can probably get by cranking a few more ponies out of it. Local dealer stated that the series was originally designed as the model 65 /75 and was engineered to last 15,000 hours without major failure. Then they planted a larger engine in the frame with the model 85 and 95 and drive train reliability was reduced. | |
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