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  1. D

    4640 transmission issue C3 pack

    So ...i'm convinced my transmission problem is the C3 clutch pack.....but the tractor seems to perform fine for me with those gears missing ...my question is ...IF i CHOOSE NOT TO SPLIT TRACTOR and repair this problem....Will it cause me additional problems later ???Thanks Stan :?:
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    4640 transmission issue

    I guess if forward 7 is involved...then definitely C3 is involved.....Do you think if I choose not to repair it will cause additional problems?
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    4640 transmission issue

    m with you c3....I will recheck pressures and if they are ok....I will prob have to split tractor and rebuild???
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    4640 transmission issue

    Do not have forward 1-4....trying to rule out every possibility before splitting the tractor in half....Thanks Stan
  5. D

    4640 transmission issue

    Recently purchased tractor.There is a problem with forward 1-4 gears...not sure about gear 7....I have checked some pressures and they seem fine. was wondering if anyone had any comments about above....it has power shift transmission....they changed the filters, but may not have changed the...
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    John Deere 4640 Transmission problems

    have the service manual.I just purchased this tractor with this problem.the odometer says 2847 hoursbut it may have turned over.it is a PowerShift transmission.are you talking about the hydraulic pump or does it have an injection pump?ballasted duals?
  7. D

    John Deere 4640 Transmission problems

    Don't have gears 1-4 forward....Is it possibly something other than clutch packs?....checked some pressures...seem ok but....not sure if forward 7 is working...in same group or cluster
  8. D

    John Deere used parts

    Very helpful thanks....They had some I was searching for
  9. D

    Used parts

    looking for used parts for 4640 with power shift transmission. I live in VA....must be some tractor junk yards with these parts....Thanks
  10. D

    John Deere used parts

    Looking for used parts for 4640....Can anybody help me with a tractor junk yard...I live in VA.
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