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  1. #1
    Member ZionHill's Avatar
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    May 2006
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    25
    Location
    Lehigh Valley, PA
    Tractor
    Minot 20 hp

    Default Loud Exhaust

    All,

    I'm finding the exhaust on my tractor to be a little on the loud side when running for long periods.

    If I were to insert a baffle something like what you see on Harley straight pipes would it have negative effects on performance/tuning?

    Has anybody tried a third party muffler on the Jinmas? How about doing the down pipe rerouting?

    Thanks
    Minot 20 hp 2wd
    5' scaper blade, 30" dirt scoop, 910 lb roller

  2. #2
    Silver Member
    Join Date
    Jan 2006
    Posts
    115
    Location
    South Florida
    Tractor
    KAMA 354C

    Default Re: Loud Exhaust

    Is the exhaust too loud for neighbors or other creatures in the area? If it's only loud for your ears, I suggest some ear plugs. (I'm a poor man)

    My KAMA 354C doesn't seem any louder than the typical riding lawnmower.

  3. #3
    Super Member greg_g's Avatar
    Join Date
    Dec 2003
    Posts
    5,984
    Location
    Western Kentucky
    Tractor
    JD3720 Cab, 300X loader with 4-in-1 bucket

    Default Re: Loud Exhaust

    Hearing protection will most certainly be better, for both you AND the tractor

    //greg//
    USN (Ret)
    Former Chinese tractor owner (x4)
    Current John Deere owner

  4. #4
    Elite Member RonMar's Avatar
    Join Date
    May 2005
    Posts
    2,692
    Location
    Port Angeles WA
    Tractor
    Jinma 284 delivered 06/28/05

    Default Re: Loud Exhaust

    I keep a pair of ear muffs on the tractor all the time hanging from the hand throttle lever. I wear them whenever I am using the PTO or running the tractor above 1200 RPM for any length of time. I personally wouldn't do anything to alter the flow thru the engine. The routing of the exhaust down and under the tractor might help quite a bit with the noise and I have thought about it, but it is not an easy option for me because of the FEL I am using.
    Ron

  5. #5
    Epic Contributor Soundguy's Avatar
    Join Date
    Mar 2002
    Posts
    46,362
    Location
    Central florida
    Tractor
    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: Loud Exhaust

    I gotta agree with the others. Even though the manual on my NH 7610s says the DB at the OP platform is 89db.. I like to keep a set of big earmuffs on the tractor.. typically I wear a small set of ear buds under the muffs so i can listen to tunes at low volume. Same deal on my ford 5000... big engine.. lots of noise.. hearing protection is a -must-.

    Soundguy

  6. #6
    Silver Member
    Join Date
    Apr 2004
    Posts
    185

    Default Re: Loud Exhaust

    Having lost 30 db of mid range hearing I can relate to this topic. Oddly my upper and lower frequency hearing is normal, I use hearing protection whenever I'm operating any equipment.

    Even sounds which doesn't seem loud can damage your hearing after long term exposure.

    Trust me, it sucks when everyone who talks to you sounds like they're mumbling.

    I not only use hearing protection, I also wear a good quality dust mask. Now, my nose doesn't run and my sinuses are completely clear at the end of the day.

    Holy crap, I just realized Soundguy has over 9000 posts on Tractorbynet. Is this your job? : )

  7. #7
    Epic Contributor Soundguy's Avatar
    Join Date
    Mar 2002
    Posts
    46,362
    Location
    Central florida
    Tractor
    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: Loud Exhaust

    When i get to work in the AM, I open a window to each of my favorite sites ( TBN and YTMAG ).. and just periodically browse thru the day. Usuallt i'm stuck on a stupid conference call.. or other genrric phone call.. and can get a few messages in. Lunch.. breakes.. etc. sometimes I do actually have to work though! At my 2nd job pace is tight.. no time for mail .. friday and satuday included. I generally get about 30-45 minutes at night after my 2nd job when i get home at 10:30pm, pr 11:30pm... while waitning for my wife to get home from her job.

    So ya.. I get around a little.

    Soundguy

    Quote Originally Posted by TruChaos
    Holy crap, I just realized Soundguy has over 9000 posts on Tractorbynet. Is this your job? : )

  8. #8
    Platinum Member
    Join Date
    Sep 2004
    Posts
    912
    Location
    Bloomington, IN
    Tractor
    Kubota, G5200, KAMA 454

    Default Re: Loud Exhaust

    It's good he post so much, he posts on our China board. I'm just tring to get him to actually buy a China made tractor! You would think of his ten tractors he could manage just one...Kama

    Patrick

  9. #9
    Epic Contributor Soundguy's Avatar
    Join Date
    Mar 2002
    Posts
    46,362
    Location
    Central florida
    Tractor
    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: Loud Exhaust

    I'm actually looking for a two wheeled chinese tractor. My wife went to tibet and china last year for a month.. and everybody had these 2 wheeled tractors with handlebars, and they were coupled to surry type riding carts.. or simple a small cart, and the owners rode on them. Wife wants one... and i can't find them.. but if I do.. and it is affordable.. then I will probably pick it up.

    Soundguy

  10. #10
    Member ZionHill's Avatar
    Join Date
    May 2006
    Posts
    25
    Location
    Lehigh Valley, PA
    Tractor
    Minot 20 hp

    Default Re: Loud Exhaust

    Here's a company that makes them, but I don't know they just seem like a big Gravely to me.

    http://www.made-in-china.com/showroo...catalog-1.html
    Minot 20 hp 2wd
    5' scaper blade, 30" dirt scoop, 910 lb roller

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