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  1. #1
    New Member
    Join Date
    Jun 2012
    Posts
    6
    Location
    Vancouver Island, BC
    Tractor
    Power-Trac PT1430

    Default My diesel is so loud! Any mods out there?

    Hello all. I have tried searching old postings for any fixes for the loud diesel on my 1430 but didn't find any. Has anyone done any mods to quiet it down a bit??

    I have tried several different type of hearing protection already but there has to be something better. I find that if I work for more than a couple hours straight, I get a head ache.

    Can I attach a second muffler?

  2. #2
    Epic Contributor MossRoad's Avatar
    Join Date
    Aug 2001
    Posts
    22,831
    Location
    South Bend, Indiana (near)
    Tractor
    Power Trac PT425 2001 Model Year

    Default Re: My diesel is so loud! Any mods out there?

    For the short term, use a pair of foam rollup ear plugs like these
    Safety, Personal Safety, Hearing Protection, NS® Hearing Protection, NS® Soft Fit® Ear Plugs, - Northern Safety Co., Inc.

    and then a set of over-the-ear headphones like these
    NS® Hearing Protection Premium Ear Muff, NRR 26 27334 - Northern Safety Co., Inc.

    I had to do that when I worked around jets or shot indoors.
    MossRoad

    Click On My Little Tractor
    To See Pictures And Videos
    Of It In Action!!!


  3. #3
    Super Star Member J_J's Avatar
    Join Date
    Sep 2003
    Posts
    16,423
    Location
    JACKSONVILLE, FL
    Tractor
    Power-Trac 1445, KUBOTA B-9200HST

    Default Re: My diesel is so loud! Any mods out there?

    Quote Originally Posted by Island Goose View Post
    Hello all. I have tried searching old postings for any fixes for the loud diesel on my 1430 but didn't find any. Has anyone done any mods to quiet it down a bit??

    I have tried several different type of hearing protection already but there has to be something better. I find that if I work for more than a couple hours straight, I get a head ache.

    Can I attach a second muffler?
    A plate with many holes on the end of the exhaust pipe.

    I have seen something like this many years ago and was impressed by the quietness of the exhaust.

    Have you considered a plate that covers the end of the muffler with many holes drilled in it for the exhaust.

    It seems like the frequency and intensity is based on the diameter of the pipe and the force of the exhaust, and the exit holes..

    A comparison might be if you blow air over a 22 bullet shell, the freq will be high, and if you blow air over a shotgun shell, it will be lower.

    It will not take but a little bit of effort to take, say a 2 in pipe and increase it to about 4 in, and cover it with a plate, and then drill out enough metal to equal the area of the 2 in pipe to have same back pressure.

    If the pipe is 2 in, then the area of the pipe outlet is 3.14 in , so if you increased the pipe to 4 in, and covered it with a plate, and then drilled 64 , 1/4 holes, that would give you the same opening, and change the frequency and loudness.

    You might double check my math, because you would want the same back pressure and a lower sound.

    Maybe something like this also. or the second picture
    Attached Thumbnails Attached Thumbnails -muffler-spark-arrestor-png   -mufflers_009-jpg  
    Last edited by J_J; 02-04-2013 at 11:35 AM.
    J.J.

    When I works, I works hard. When I sits and thinks, I goes to sleep.

    Git er done.

  4. #4
    Platinum Member npalen's Avatar
    Join Date
    Nov 2009
    Posts
    664
    Location
    Beloit, KS
    Tractor
    Kubota B9200 HSTD and Allis 720

    Default Re: My diesel is so loud! Any mods out there?

    Adding to JJ's comments, I'm wondering how much of the "diesel noise" is produced by the engine components in addition to the exhaust.

  5. #5
    Epic Contributor MossRoad's Avatar
    Join Date
    Aug 2001
    Posts
    22,831
    Location
    South Bend, Indiana (near)
    Tractor
    Power Trac PT425 2001 Model Year

    Default Re: My diesel is so loud! Any mods out there?

    Yes, Deutz diesels are inherently loud.
    MossRoad

    Click On My Little Tractor
    To See Pictures And Videos
    Of It In Action!!!


  6. #6
    Veteran Member
    Join Date
    Mar 2010
    Posts
    1,736
    Location
    Ontario
    Tractor
    CT235

    Default Re: My diesel is so loud! Any mods out there?

    Quote Originally Posted by npalen View Post
    Adding to JJ's comments, I'm wondering how much of the "diesel noise" is produced by the engine components in addition to the exhaust.
    Allot. The Daedongs for example, produce allot of unpleasant sounds, but few of them are coming out the exhaust.
    Tim.

  7. #7
    Gold Member
    Join Date
    Sep 2008
    Posts
    338
    Location
    Central Virginia

    Default Re: My diesel is so loud! Any mods out there?

    Quote Originally Posted by Island Goose View Post
    I have tried several different type of hearing protection already but there has to be something better.
    Go to an audiologist and have custom molded ear plugs made. Much beter noise blocking and 5x more comfortable.

    My pair cost me $75, and I'd replace them tomorrow if they went missing.

  8. #8
    New Member
    Join Date
    Jun 2012
    Posts
    6
    Location
    Vancouver Island, BC
    Tractor
    Power-Trac PT1430

    Default Re: My diesel is so loud! Any mods out there?

    Thanks for all your input. While browsing through the link that Moss gave, I came across another hearing protection ear muffs that is rated NRR 30. I may give that a try too along with the plugs. Mine is rated at 26 but it sure would be nice to cut that in half.

    Eventually I would still prefer to have a quieter tractor. I feel that when I wear the ear muffs, something could be happening around me and I would not be aware of it. My wife may resort to using the pellet gun on me just to call me in for dinner

  9. #9
    Gold Member
    Join Date
    Sep 2008
    Posts
    338
    Location
    Central Virginia

    Default Re: My diesel is so loud! Any mods out there?

    Quote Originally Posted by Island Goose View Post
    Eventually I would still prefer to have a quieter tractor. I feel that when I wear the ear muffs, something could be happening around me and I would not be aware of it. My wife may resort to using the pellet gun on me just to call me in for dinner
    I've never known an open station tractor that I would operate at PTO RPM's and not wear hearing protection.

  10. #10
    Veteran Member SpringHollow's Avatar
    Join Date
    Dec 2006
    Posts
    1,693
    Location
    South of Rochester, NY
    Tractor
    Power Trac 1850, NH 2120

    Default Re: My diesel is so loud! Any mods out there?

    Max-lite ear plugs are very comfortable and rated for 30 dB.

    Ken
    PT1850, mini hoe, grapple, stump grinder, brush hog

    http://www.usadiscountgenerators.com...T1850Home.html

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