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Recent content by mattroh

Yesterday's Tractor Forums
  1. M

    4255 wheel spacing

    Anyone had problems moving wheels to the outer end of the axle? Issues with bearings, axle bending, or something else? I m looking to move the tires out to 90" center to center, basically all the way out on the axle, so I don t have to drive on hay windrows when round baling. It would also...
  2. M

    Suitcase Weight Question

    We have a 7280R, the weight bracket has a hole vertically through it with a roughly 1” diameter pin in it that extends both above and below the weight bracket. What tractor would have had this that would have come from factory with this style weight is beyond me though. Matt
  3. M

    Tim S

    Thanks for getting back to me Tim. I might get back in touch with you this winter when that tractor isn’t used very much. Thanks, Matt
  4. M

    Tim S

    What do you charge to work on 55 series SCVs? Thanks, Matt
  5. M

    4255 SCV leakage

    Tim S What do you charge to fix these? Thanks Matt
  6. M

    4255 SCV leakage

    How bad is it to tear into a scv on a 4255? I have either a spool valve or seal leaking internally so that one side gets pressurized all the time, and wanting to fix it. However I didn’t know how bad it is to get it back together and set properly. I have the service manual and glanced through...
  7. M

    4020 engine issue

    We have decided to deglaze the liners and put the pistons back in with the same rings, as they look fine. Whenever the weather here in NW IA straightens out and the fields dry up, we are going to take it out and pull it hard for most of a day, at the minimum. Then we will see if actually...
  8. M

    4020 engine issue

    Another question is the positives and negatives of just removing the turbo from the tractor (thus removing it as a variable), as we do not use it hard, just light duty applications. Matt
  9. M

    4020 engine issue

    I checked all the 2nd rings, they all have a wear line that goes from the bottom up to about halfway up the outside of the ring. The top rings have a wear spot on most all the surface, just a tiny line at the top and bottom that are not polished by wear. Matt
  10. M

    4020 engine issue

    We checked it with it running soon after we had overhauled it, and it did not blow any oil out the outlet of the turbo on the the intake side. There are 3 sections of pipe from M&W and then the intake manifold between the turbo and the head, the first 3 are dry but there is a light film...
  11. M

    4020 engine issue

    I will check for that today. I did see that wear line you are talking about on the #1 piston’s 2nd ring, but I will need to check the other 5. You are talking the 2nd ring can pump oil into the piston, or the oil ring (3rd ring)? We could not find any marks or anything to tell us which way...
  12. M

    4020 engine issue

    Does that mean the rings have glazed and the only way to seat them now is to replace them? Thanks, Matt
  13. M

    4020 engine issue

    Yeah, I forgot to mention that we have been using Deere Break-in oil the whole time since the overhaul Matt
  14. M

    4020 engine issue

    Finally got time to tear into our 1967 4020 diesel, syncro, with a M&W turbo that I had asked you guys about a couple months ago. The general idea was that it was a piston with broken rings. Well, we tore into it and all the pistons, liners, and rings are fine and installed in the proper...
  15. M

    630 price

    Mostly minor work, the biggest thing I know of is the exhaust manifold gaskets are leaking. The rear tires have plenty of tread, but the amount of dry rot is unknown yet, but I am told there is some cracking visible. I have not actually seen it, other than pictures, but I have talked to...
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