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Thread: 74 case 350 crawler loader resortation

  1. #1
    Senior Member hvguy's Avatar
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    74 case 350 crawler loader resortation

    Im going to make this my dedicated restoration thread in hopes that it may help someone.

    My machine started as a $1400 craigslist special. Upon the guy first starting the machine and pushing on the ground with the bucket to lift the machine; it promptly blew a hydraulic line; not exactly what you want to see on a first time purchase. Got her home and proceeded to dangerously unload it from the trailer. The reason I say dangerously is because when you press on the brake, the bands are not adjusted the same, it grabs the right track first and then the left... in short; I went down the ramps straight, then I turned 45 and fell off the trailer. Thankfully nothing was hurt.

    This rebuild will consist of:

    Complete In-frame rebuild (pistons, rings, liners, rod bearings, all upper and lower gaskets)
    new injectors
    injector pump re-seal (it sprays fuel from the throttle lever)
    rebuild all 6 hydraulic cylinders
    new radiator
    new radiator hoses
    new water pump
    new transmission cooler (the old radiator was destroyed and they already ran remotes for a -8AN radiator)
    new fan belt
    new gauges
    new hour meter
    new injector pump kill switch (cable)
    replace rear drive oil (GL-1)
    LED lights all around
    possibly a new alternator, we will see if it works after the rebuild
    new hydraulic hoses everywhere
    figure out why its still not going into 1st gear

    After everything is buttoned up and the way I want, its getting a complete strip and re-paint with new decals.

    I think ill also cut the remaining 3 teeth off the bucket and weld on a planing bar on the bucket since im going to use it for building a road and clearing brush (which I probably need teeth for)

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  2. #2
    Member bronco71's Avatar
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    Nice find! I replaced almost every hose on my 450B when I first got it.
    Case 450B loader
    Case 1150 dozer
    Case 430CK loader/backhoe
    JD755 loader
    Cat D7 3T dozer
    MF1080 tractor
    MF265 tractor
    Int B414 tractor

  3. #3
    Senior Member hvguy's Avatar
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    Ive never actually seen a line blow until then. I was covered in oil, however the original owner was shot in the face. Thankfully this stuff didnt burn my eyes a bit, I was surprised.

  4. #4
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    That's a nice find and a good little project, should work out well.

  5. #5
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    WOW.. 1400.00 !! what a find.. and running.!!!
    In case you missed the backhoe rebuild threads going on now.. Dale at Tractor Stuff seems to be the GO TO GUY for parts and REAL GOOD information..
    Good luck w/ your rebuild and keep the pictures coming.. TPG

  6. #6
    Senior Member hvguy's Avatar
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    Will do, thanks for the contact. Hopefully the service manual I bought will bail me out in time of need. But first hand experience is worth it's weight in gold.

  7. #7
    Senior Member hvguy's Avatar
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    Parts have all rolled in, total cost so far is about $1000. not so bad IMO.

    There is going to have to be some creativity involved fitting the aftermarket radiator and transmission cooler.

    I sourced an old original 350 owners manual and hobbs hour meter to replace the busted one. I also bought a handfull of 48W LED's however once they arrived, I checked their actual power and its only 21.6W @ 100% efficient. Needless to say, I have opened a case against them.

    Worst part about this is I have to work 7 days a week for the next few weeks... no time to tear it down.
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  8. #8
    Senior Member hvguy's Avatar
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    I bought the service manual for my loader, thankfully I believe its searchable, and its all indexed. Here it is if anyone needs it.

    https://www.mediafire.com/?j5ykdkp42ve4qpm

  9. #9
    Senior Member hvguy's Avatar
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    figured since I was using new old stock gauges, might as well find a cool oil gauge to match.

    Found this from some aircraft salvage site, still works!
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  10. #10
    Senior Member hvguy's Avatar
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    Finally got some room to breathe from work and decided to break into the loader.

    I drove it up close to my container (shop) and started by chaining the loader up to the ROP.

    After getting all the big stuff out of the way, I noticed there was a little bit of milkshake on the valves, AND the bolt behind the water pump was GONE, therefore someone has very likely rebuild this engine at one point. I got the exhaust manifold off without removing the injector lines by pulling the rear stud out and hinging it up and out. The only reason I did this was because I thought I heard a cylinder missing when it ran. Fired it up without the manifold and cylinder 1 was hissing and shooting raw fuel. I diagnosed a burnt valve... however with it being an N/A diesel, this was highly unlikely.

    Turns out it was. Ordered a valve kit, hoping the seat isn't ruined. Has anyone ever seen this failure on an NA diesel?

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  11. #11
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    That looks like more of a chip out of the valve than a burnt valve. Should be a fun project. I'm doing the same thing to and IH 500E dozer. I have it all done but the undercarriage.

  12. #12
    Senior Member hvguy's Avatar
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    Quote Originally Posted by zbo2 View Post
    That looks like more of a chip out of the valve than a burnt valve. Should be a fun project. I'm doing the same thing to and IH 500E dozer. I have it all done but the undercarriage.
    A buddy of mine (professional diesel tech) suggested maybe the valve guides were worn to death and snowballed into an unseated valve.

    Good luck on your project! old iron is always fun to work on.

    I ruined the coolant temp sensor, ordered some new gauges, should be a interesting week. Will post when everything arrives.

  13. #13
    Senior Member hvguy's Avatar
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    Finally got a minute to do a little work on it. Pulled the skid plate (heavier than I thought) pulled the pan, un capped the rods and pushed everything out. Thankfully the crank is in MINT condition, the bearings were also in fair shape, very little play and no real damage to be seen. #1 had a cracked compression ring, but that was it. Gonna drop the head off at the machine shop tomorrow to have them replace the valve guides and lap the valves in.
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  14. #14
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    Keep posting pictures........ I love to see pictures...lol

  15. #15
    Senior Member hvguy's Avatar
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    Quote Originally Posted by zbo2 View Post
    Keep posting pictures........ I love to see pictures...lol
    lol, I actually try to moderate my picture taking. Ill take more.

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