Quiet Muffler??

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Faster346

Member
What do you guys use for mufflers on your letter series? I have an H, an M, and a Super C, and want them as quiet as possible. I sometimes do some night work and we have neighbors close to our farm, and I have STANLEY mufflers on the H and Super C and they are very loud. Not a whole lot quieter than no muffler at all..and they're both brand new. My M has the same muffler that came on it when I bought it. I'm not sure what brand it is, but it's 100 times quieter than my H or Super C. It has no markings on it other than 2 numbers stamped into the bottom. "1V90 and 14245 under that" and I can't find any info on it. I know someone was making original style mufflers for a little while but that guy has went MIA. Just wondered if there's a universal muffler I'm missing that people are using on their Farmalls to quiet them down a little over the Stanley setups? I have enough hearing loss already! :lol:

Here's my muffler on my M in question. Not sure what brand, very quiet though. I tossed it on my H yesterday to compare and you could barely hear it at idle over the Stanley.

1-52.jpg
 
(quoted from post at 13:37:50 04/27/11) What do you guys use for mufflers on your letter series? I have an H, an M, and a Super C, and want them as quiet as possible. I sometimes do some night work and we have neighbors close to our farm, and I have STANLEY mufflers on the H and Super C and they are very loud. Not a whole lot quieter than no muffler at all..and they're both brand new. My M has the same muffler that came on it when I bought it. I'm not sure what brand it is, but it's 100 times quieter than my H or Super C. It has no markings on it other than 2 numbers stamped into the bottom. "1V90 and 14245 under that" and I can't find any info on it. I know someone was making original style mufflers for a little while but that guy has went MIA. Just wondered if there's a universal muffler I'm missing that people are using on their Farmalls to quiet them down a little over the Stanley setups? I have enough hearing loss already! :lol:

Here's my muffler on my M in question. Not sure what brand, very quiet though. I tossed it on my H yesterday to compare and you could barely hear it at idle over the Stanley.

1-52.jpg

Does the quieter muffler have a longer barrel than the louder muffler?

The longer barreled mufflers actually have a baffle inside. If you hold it up to the light and look into either end, you cannot see all the way through. This muffler is the replacement for the H muffler, although still not nearly as quiet as the original.

The shorter barreled muffler is open all the way through. It is intended to be used on the M.
 
I go to My local Case IH dealer and buy mufflers from them. Case IH mufflers have a baffle in them, stanley mufflers don't. The muffler in your picture looks alot like one from Case IH.

By the way, I like how the IH mufflers sound better than the stanley ones- and you're right, they're quieter. I've come to like them quieter, too. I had one on my M, now a 450D and 806D. They are loud enough with a baffled muffler!
-Andy
 
Does the quieter muffler have a longer barrel than the louder muffler?

The longer barreled mufflers actually have a baffle inside. If you hold it up to the light and look into either end, you cannot see all the way through. This muffler is the replacement for the H muffler, although still not nearly as quiet as the original.

The shorter barreled muffler is open all the way through. It is intended to be used on the M.

I believe they're both about the same barrel length. The loud as heck one I can see right through, it's on the H. The quieter one (pictured) I cannot see through, and that's the one that was on my M when I bought it.
 
Some have a baffle and some dont. I agree the baffle is quieter. For field work you can put an extension on the outlet and that will quiet them down a bunch. Last two i got from I-H had baffles. The Stanlees dont.
 
All original ABCHM and the supers mufflers were straight through. The MIA's you mentioned were also straight through and have the original sound, I have 2 of them and do not consider them particularly loud. Part of the reason for that is I am at least 50% deaf, mostly from running an H in the 50's. The ones CaseIH sells now are not Stanley, the brand escapes me. You can look it up at www.external_link. I have one on my SA, I am not positive they have the same brand for the H and M. It does have a baffle in it, not a lot quieter than the one I replaced which was straight through.
 
The muffler in the picture appears to be the ones that CNH dealers sell. For practical working applications like yours that is probably the way to go. They have a baffle in them. The shorter barrel Stanley mufflers do not. I hate the look of the ones that CNH sells but if it quiets it down for you go for it. For looks I much prefer the Stanley.
 
I've often seen "turbo" style car mufflers stuffed on tractors. Looks dumb, but probably pretty quiet.
 
Your muffler was made by NELSON, the OEM muffler supplier to CNH.

The STANLEY mufflers cost less, beacuse they are less!! Stitch welded and no baffles make them cheap to make.
 
Mark's Tractor in Illinois used to sell real correct original reproduction mufflers for the letter series Farmalls, but I honestly don't know if he is still in the business, I don't see his ad in Red Power anymore. We got one for our H at the Penfield RPRU at Mark's display....love it, our '51 H sounds just like our new '50 model did back then....nice and quiet but "solid" when she's workin'. The CaseIH sold "generics" don't look or sound right on any of the models they sell 'em for...typical cheap stuff, I'd as soon have a Tractor Supply one as the Case IH one.
 

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