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Thread: d7 3t

  1. #1
    Join Date
    Feb 2020
    Location
    TX
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    4

    Default d7 3t

    Got this d7 3t few weeks ago. I pulled my heavy 299c skid out the mud last week and noticed it was smoking like something was burnt from by the pedals and levers under the deck. I killed it and came back next day.

    Now she stops under any hard load or even hard turning at low rpm it just stops moving. Same thing if i bucket down into the ground it just loses all its drive but the motor keeps chugging on. I disengage the clutch and give it a second and re engage it then she moves. The fluid is full and no hoses leak.

    Shell drive straight with the bucket up. Soon as I make her work or put it under load she just stops.

  2. #2
    Join Date
    Nov 2007
    Location
    NW Ohio
    Posts
    4,141

    Default

    Sounds like the clutch disc is worn out or it needs to be tightened up.

  3. #3
    Join Date
    Nov 2006
    Location
    Ellsworth, KS
    Posts
    409

    Default D7 3t

    What is this ( Bucket down ) deal? D7 3T is a dozer tractor, not a loader. catskinner

  4. #4
    Join Date
    Nov 2006
    Location
    Faunsdale, AL USA
    Posts
    4,331

    Default

    Does clutch lever pull back and snap over center require a stiff pull or easy? Simplest answer would be Rome’s adjust the main clutch.
    D2-5J's, D6-9U's, D318 and D333 power units, 12E-99E grader, 922B & 944A wheel loaders, D330C generator set, DW20 water tanker and a bunch of Jersey cows to take care of in my spare time

  5. #5
    Join Date
    Nov 2006
    Location
    Colorado
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    555

    Default

    Quote Originally Posted by catskinner View Post
    What is this ( Bucket down ) deal? D7 3T is a dozer tractor, not a loader. catskinner
    Sounds like he might have a T7 Traxcavator On that Old D7

    Kelly
    Old Caterpillar Watch Fob.


    Without history, a society shares no common memory of where it has been, of what its core values are, or what decisions in the past account for the present circumstances.

  6. #6
    Join Date
    Dec 2006
    Location
    victoria australia
    Posts
    3,412

    Default Need Serial Number

    Hi,
    welcome to the BB.

    From 3T23647--up had an oil clutch, prior to this a dry clutch was used, so we need to know your machine S/No so we can give you the correct main clutch adjustment procedure.

    Luckily the scans below have adjustment procedures for both the dry and oil clutches--the dry clutch adjustment is given on pages 3 & 4.
    Hope this helps.
    Cheers,
    Eddie B.
    Attached Images Attached Images

  7. #7
    Join Date
    Nov 2007
    Location
    NW Ohio
    Posts
    4,141

    Default

    Quote Originally Posted by edb View Post
    Hi,
    welcome to the BB.

    From 3T23647--up had an oil clutch, prior to this a dry clutch was used, so we need to know your machine S/No so we can give you the correct main clutch adjustment procedure.

    Luckily the scans below have adjustment procedures for both the dry and oil clutches--the dry clutch adjustment is given on pages 3 & 4.
    Hope this helps.
    Cheers,
    Eddie B.
    Must be a dry clutch, he said it was smoking under the floor boards by the pedals and levers.

  8. #8
    Join Date
    Jan 2013
    Location
    Yoakum, Texas
    Posts
    786

    Cool You beat me to it...

    Hi Eddie B., I'm glad to see that my scans were saved and being used.
    Thanks,
    Craig

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