Having a problem with one of our 140m's. It doesn't make any noise till transmission gets to around 160, and then gets a loud whining sound comeing from behind the cab somewhere. Only does it above 1500 rpm's. Cat and our mechanics cant figure it out thought it was a hose or steel line under the cab at first but have pretty well eliminated that. Has anyone had any issue like this with the m series.. Also would like to know if anyone knows where I could see a list of the known problems or recalls on the early model 140m's. . thanks
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