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Replacement muffler for Big 40 with TM 20

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  • Replacement muffler for Big 40 with TM 20

    Hello,
    I am needing to replace the muffler on my big 40 with the TM 20.

    Has anyone replaced one? I am really looking for a part number if you have it.

    Thanks,
    Casey
    Miller Big 40
    2 LN-25s

  • #2
    It never would have occurred to me to try to find the OEM muffler. I'd have taken whatever $20 muffler from Pep Boys would fit.

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    • #3
      I am more than happy with a replacement, no need for oem.

      I just wondered if anyone has a part number they used before I go hunting.
      Miller Big 40
      2 LN-25s

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      • #4
        I took a look at the Big 40 manuals page--there are seven different manuals for various flavors of Big 40s. Anyone who might be able to help would need specifics of the Big 40 model and which engine. List is pasted below. The colors are just artifacts of the screen shots--ignore those. I suspect if you can identify which engine it is, you could do a search on that engine manufacturer and maybe come up with a hit. Miller typically does not include a lot of engine info in their documentation--have to find the engine manual. I know my Trailblazer manual is that way--have to go find the Onan manual.

        Click image for larger version

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        • #5
          Technical manual TM-474 is for a Big 40 Diesel serial #JG011389 and the following
          Muffler #105740 List $605.75 in stock in Appleton

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