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4040 JD pto

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OldMac
Join Date: Jul 2011
Posts: 4 Oakland, Ms
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2011-07-03          179266


Can anyone tell me why my pto jumps out of gear? First noticed it happening when I moved my loader up or down, mainly putting a load on hydraulics. now it won't stay in gear at all.



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4040 JD pto

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jdgreen
Join Date: Jul 2003
Posts: 232 Maryland
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2011-07-04          179272


You don't mention if you have a powershift or Quad-Range. I am going to assume you have a Quad since I have seen this problem more often on them. The clutch valve has a hydraulic piston in it that holds the lever in position. If your transmission pressure is low, the piston can't hold it in. If your transmission or clutch is not slipping, I assume your pressure is OK. If you have a gauge, you should still check it. Should be between 140 and 160 PSI. The thing I see most often is the pto clutch lever in the valve housing sometimes breaks or bends. The part number is R67981. I have attached parts diagram. It is item number 5. You also will need a mounting gasket and ten orings(#15) for the oil tubes #14, 16, and 18. ....

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4040 JD pto

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OldMac
Join Date: Jul 2011
Posts: 4 Oakland, Ms
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2011-07-05          179283


Thanks for responding.I will check that out tomarrow, you are right it is a Quad. I put a gauge on the Hydraulics Sat. it was 2300. I will check the Trans as soon as I can. I want to think you again for your help. I have had this tractor about two years , it has had a lot of hydraulic issues. I hope to get them all worked out. I really like the 4040. It has good power. I will let you know what works soon. Thanks <>< ....


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4040 JD pto

View my Photos
OldMac
Join Date: Jul 2011
Posts: 4 Oakland, Ms
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2011-07-05          179284


Thanks for responding.I will check that out tomarrow, you are right it is a Quad. I put a gauge on the Hydraulics Sat. it was 2300. I will check the Trans as soon as I can. I want to think you again for your help. I have had this tractor about two years , it has had a lot of hydraulic issues. I hope to get them all worked out. I really like the 4040. It has good power. I will let you know what works soon. Thanks <>< ....


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