Mitsubishi Muffler shortage substitutes?: Mitsubishi  -- Other Tractor Brands Discussion Forum and Review Mitsubishi Muffler shortage substitutes?: Mitsubishi -- Other Tractor Brands Discussion Forum

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 06-28-2007, 00:31 Post: 143288
runswithsizzers



Join Date: Jun 2007
Location: on the edge
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Posts: 4
 Mitsubishi Muffler shortage substitutes?

I have Satoh Beaver III, S-373D, made by Mitsubishi.

Due to the poor availability and high cost of Mitsubishi replacement mufflers, I have been considering having a generic muffler welded to the mounting plate of my present muffler. However, since I know nothing about muffler requirements for diesel engines, I wonder if it is necessary for the muffler to provide a certain amount of back pressure for the engine to run properly.

Has anyone tried substituting 3rd party mufflers on a diesel engine, and how did it work out?

Can anyone recommend a commonly available muffler for a 776 CC, 16 HP, 3 cylinder diesel engine?

Thanks,
-GW






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 06-28-2007, 20:19 Post: 143315
earthwrks

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 Mitsubishi Muffler shortage substitutes?

I've had to improvise diesel mufflers for my equipment. I've used regular automotive mufflers from the local muffler shop. They tend to have a vast array of them that have many sizes and lengths and purposes, and "input" and "output" configurations--like having the "in" and outs" on the same end or opposite end or offset from each other. I'd try to stay with something with roughly the same in and out inside diameters. Otherwise, you might get a deep, throaty, overly-loud sound. With permission from the shop, I'd bring your tractor to the shop and just start experimenting with different sizes with it running. Then as a favor to the shop for their time and expertise, buy it from them and have them weld the flange and/or bemd pipe for you.

Keep in mind that if you don't replicate the mounting system (spring-held, supported vs. non, etc.) you could end up breaking the block or manifold.

If the muffler body itself is in decent shape (the inside baffles are not rattling inside) you might want to "rebuild" it with new sheet metal and a MIG or wire-fed welder.






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