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| My 7220 that we use for spraying has a vibration sound when it comes down 2100 RPM to idle. Never hear anything till it gets down to about 850 and then it starts up. Not violent or anything just a different sound than I was used to. And it seems to need to be warmed up cause when you just start out in the morning.....no noise. Any ideas? Cab seems tight...steering is tight.....hood is tight.....gear range makes no differece...can't find any obvious cause | |
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JD 7220 tractor vibration
