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Exhaust Muffler quiter or DB Killer
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John426 View Drop Down
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Joined: 14 Aug 2012
Location: France
Points: 301 		Post Options Post Options   Thanks (0) Thanks(0)   Quote John426 Quote  Post ReplyReply Direct Link To This Post Topic: Exhaust Muffler quiter or DB Killer
    Posted: 19 Jun 2023 at 6:44am
Hi,
I have just finished rebuilding my Allis Chalmers D272 Diesel with Perkins P3.144 engine. Stickers are still missing, next job to do.
It runs well, but this engine is very noisy. I put in a new STANLEY exhaust. Noise level is still high.

I am looking for an exhaust that would be quieter.

Does somebody try to put motorbike baffle, Cheaper DB Killer from China ? at the top of the tracteur muffler?

With this engine, the tractor vibrates a lot, especially above mid engine speed (1000 rpm). Are there any solutions to improve this. I guess this has to do with that 3 cylinder engine.




Edited by John426 - 21 Jun 2023 at 12:02pm
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John426 View Drop Down
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Joined: 14 Aug 2012
Location: France
Points: 301 		Post Options Post Options   Thanks (0) Thanks(0)   Quote John426 Quote  Post ReplyReply Direct Link To This Post Posted: 21 Jun 2023 at 2:11am
Did you try this tricks to reduce noise of your muffler
Stuffed 3 of the steel pads down exhaust outlet then topped it with the reducer. It is super quiet with a really nice sound? Is it efficient?
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AC720Man View Drop Down
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Joined: 10 Oct 2016
Location: Shenandoah, Va
Points: 5010 		Post Options Post Options   Thanks (0) Thanks(0)   Quote AC720Man Quote  Post ReplyReply Direct Link To This Post Posted: 22 Jun 2023 at 11:45am
You did a nice job of restoring your D272. The Perkins 3 cylinder in my 160 is quite loud as well. I’m sure the canopy I have on it amplifies it. Just think it’s the nature of the Perkins. Mine has been fully overhauled and it still a bit noisy.
1968 B-208, 1976 720 (2 of them)Danco brush hog, single bottom plow,52" snow thrower, belly mower,rear tine tiller, rear blade, front blade, 57"sickle bar,1983 917 hydro, 1968 7hp sno-bee, 1968 190XTD
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