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  1. J

    Terex Parts

    Thank you Gary! We will try the calibration and make sure Cummins installed new software. We have tried adjusting the idle off the switches but it still rattles. Does anyone that you know of build a different drive group for the front engine and hydraulic pumps? Thanks
  2. J

    Terex Parts

    Thanks for the quick reply! The machine is a 2006 with 5.9 Cummins tier 2 in front and back. Mechanic has removed the hydraulic pump stack, transmission pump from machine and started it without parasitic loads and it still “chugs” and vibrates then takes off. I believe the idle is at 700 rpm...
  3. J

    Terex Parts

    Hi Gary, We have a TS14G that when cold chugs and you can hear resonation or the "doldrums" in the rear drive of the front engine. It has been breaking the driveshaft's due to the resonation. The engine seems to "chug" due to parasitic load then clears up and works fine. According to Terex...
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