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JD 4630 W \ hyd FRT. assist how many built?

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deere man

06-29-2001 15:35:46




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Looking at a 4630 `74 yr with hyd frt assist does any one know how many were made.Also problem areas to look for.Owner says hyd pump didnt have enough umpth to power frt. wheels \ steering\other hyd circuts anyone out there have same experience? Thank You.




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The Chiorboy

06-29-2001 17:16:20




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 Re: JD 4630 W \ hyd FRT. assist how many built? in reply to deere man, 06-29-2001 15:35:46  
They had a bigger pump than the non-front assist tractors. The main problem was that they were NOT intended for continuous operation with the front wheels engaged. Continual operation would cause the hydralic oil to overheat, causing damage to the entire system. I would also suspect that they lack the torque capacity of a true MFWD. I doubt if many tractors were so equipped, a better question would be, how many are still in working condition and have not been changed over to an adjustable front axle?

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