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Thread: D7 17A and 3T What is interchangeable?

  1. #1
    Join Date
    Aug 2010
    Location
    Oktaha,OK
    Posts
    7

    Default D7 17A and 3T What is interchangeable?

    I have a D7 17A hydraulic that I had a problem getting hot this summer come to find out the radiator was pluged and now is junk. I have the oppurnity to buy a 3T cable rig with a spun crank bearing. I have not seen the dozer, so I was wondering how many of the major parts would be interchangeable. I am pretty sure the 3T is a dry clutch, mine is wet, but not sure as far as the engine, finals and trans. My radiator had the cast removable tanks so I am hoping they will at least swap. Thanks and Merry Christmas

  2. #2
    Join Date
    Jan 2007
    Location
    South Carolina
    Posts
    360

    Default

    Steering clutches...steering clutch flanges and final drive pinion....reduction gear and bull gear if your 17A is below about ser.#12,000...sprocket....sprocket hub....final drive cover.....and maybe radiator if 3T ser# is high enough.... only a couple of transmission and rearend parts will work.....all the blade and CCU parts should interchange if 3T has CAT blade & CCU and is above about 3T-1500.
    Tracks, rollers and idlers even if they are the older style. Some other lesser parts.

    The 3T would be worth having for parts if the price is right.

    ETA: Brake drums.
    Last edited by Old 3T lover; 12-25-2010 at 02:08 PM.

  3. #3
    Join Date
    Aug 2010
    Location
    Oktaha,OK
    Posts
    7

    Default

    My 17A is above 14000 on the serial. I believe the heads are good they should interchange even though it is not a turbo?

  4. #4
    Join Date
    Nov 2007
    Location
    NW Ohio
    Posts
    901

    Default 17a

    Nope, 3T engine is a D8800, 17A engine is a D339

  5. #5
    Join Date
    Nov 2006
    Location
    Corralitos, Ca.
    Posts
    8,966

    Default

    No interchange on the radiators....3T has split core oil and engine...17A is full core radiator with separate water to oil heat exchanger.

  6. #6
    Join Date
    Feb 2007
    Location
    Ste-Julie
    Posts
    504

    Default D7

    The d73t and d7 17a 14000 serie there are not much part interchangable.

  7. #7
    Join Date
    Aug 2010
    Location
    Oktaha,OK
    Posts
    7

    Default

    Went and looked at the 3T today everyone was right, I cannot use it, there are alot of good parts if someone needs one it is south of Muskogee, OK. It spun a rod bearing and the heads are off, undercarriage is well used. Send me a message and I will get you in touch with the owner if anyone is interested. Thanks for all the info.

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