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    Jd 300b hydraulic pressure

    My 1978 jd 300b ran good until hydraulic fluid just pushes out of control valve on bucket loader controls. Roght to the right side of steering wheel although fluid spits out opposite on those valve boxes??? How do I fix the pressure issue? I changed fluids and tranny and hydraulic filter...
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    300b boom bushing

    Looking for 300b boom to dipper tapered pin bushings. Part number U43179..... any help appreciated! Thanks
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    300B 1970's

    Need help with instructions for cleaning carb? I did mine and now it starts for 2 sec Greta then shuts right off. Any help? Thanks!
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    Jd 300 b backhoe

    1978 jd 300b backhoe worked great, then... Got stuck in mud, got it out .....now: tractor was fine with hydraulics for ten minutes after mud... Everything was fine... Wouldn't move back or forward and then no hydraulics for backhoe and bucket ... Changed both filters, cleaned tranny screen and...

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