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    John Deere 490D problem

    We have a JD 490D, thats driving me nuts!!!! In order to get any power to the right track, boom up/down, or bucket functions, we have to move the arm, swing, or left track slightly. At first i thought one side of the pump was going bad, so we got some longer lines and connected, the...
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    Hitatchi ex120 please help diagnose

    We have a Hitatchi EX120 Grey Market ( there is no -# so i belive it to be a just a first run ex120, Serial # I2H-15076. Aprox 4000 hr's So Far I have had no luck diagnosing, (13 years experiance in heavy equipment) Also had AIS Equpment send a tech. He is also baffeled. :Banghead We...
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