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Thread: old iron

  1. #1
    Join Date
    Jul 2013
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    Ny
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    295

    Default old iron

    hello all, my name is john monser, after much thought I have decided to move my story from the heavy equipment forum to the ACMOC site. If any of you would like to know more about the person u are reading about u can check out my website at monserandsons.com The reason for my move is the age of my machine. Based on my research I feel more enthusiasm here regarding my newest toy don't get me wrong, I learned MORE IN THE LAST THREE MONTHS on the HEF than I have in the last year. I just belong here. long story short twelve years ago I took a job as a carpenters apprentice. One of our jobs was building a campground. My teacher/mentor bought a 1952 d68U to clear the land and build the road. First day on job, helped teacher jump start machine with 510 JD hoe(pony didn't run).That memory Will never leave me. 6 years ago I started bugging him to let me (work it off).After a ten year (rest) I paid a local respectable man to bring it (home) for me. This was March 2013. Two weeks later I got home from a job at 4pm with 10 gallons of motor oil and 10 gallons of gear oil. Working through the night around 5pm on Sunday I got her running by dragging it with my JD350(should've used the JD310d).It was EPIC! I was satisfied with(sound/oil pressure/movement)and have since gotten rate into it! I will be posting pictures of my project and will definitely be seeking advice as well as offering it.(I only offer advice When I know what Im talking about and never argue with anybody that thinks they do). Im in the process of gathering some parts and eager to post my progress. I want to give a special thanks to OLD MAGNET for taking note of my story on HEF and giving me PRICELESS advice despite knowing nothing about me.

  2. #2
    Join Date
    Nov 2006
    Location
    Chicago
    Posts
    1,206

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    Old Magnet is epic in his ability to help folks. Thanks for sharing. We look forward to seeing progress. Don't forget the photos.
    933 42A, D4 7U, 2- D2 5U, 2- D2 4U, PV 15, LaPlante Choate C-20 scraper, and always with an eye out for more

  3. #3
    Join Date
    Jul 2013
    Location
    Ny
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    hi a generous man sent me a d318 parts book dated October 1952.it says serial numbers 5v5001-up. My number on my engine is 8u5630. does this book cover my main and pony exactly?

  4. #4
    Join Date
    Nov 2006
    Location
    Corralitos, Ca.
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    Answer is both yes and no. The 5V50001-up is the Industrial Engine version of the D318. It will work for most parts but anything below the oil pan flange is different than the 8U/9U and some bolt ons will be different.

    The pony motor is pretty much the same but some bolt on's will be different also.

  5. #5
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    Thank you. Lots of success comparing part numbers and identifying differences. Usually oversized pistons are marked on top, is this the case with Caterpillar pony engines?

  6. #6
    Join Date
    Nov 2006
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    Corralitos, Ca.
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    Not always, some go by part number, some are stamped, some have nothing, depending on source of parts and whether they are turned down from one big oversize.

  7. #7
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  8. #8
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    would someone kindly show me the correct tool or otherwise non destructive way of removing the retainers that hold the valve bushings in(the stuck valves were obviously easy).DSCF1453.jpg

  9. #9
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    would someone show me the correct tool or otherwise non destructive way of removing the valve bushing retainers? the stuck valves were obviously easyDSCF1453.jpg

  10. #10
    Join Date
    Nov 2006
    Location
    Corralitos, Ca.
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    If the bushings are free (almost never are) stick a screwdriver in the port and pry against the bushing.

    If they are stuck I usually compress the spring, remove the keepers and pull the valves so you can wail away with whatever it takes to move them. Usually a piece of pipe will work without buggering things up.

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