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Kurzy 
Orange Level
Joined: 02 Nov 2009
Location: WSS, Montana
Points: 808
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 Topic: One Seventy Muffler
Posted: 09 Oct 2018 at 8:30am |
Howdy, Having trouble ordering right muffler for my 1967 One Seventy gas, serial # 1182. My oem parts book shows 249324 for a gas with top pipe coming off to the side. 250049 # for a diesel with top pipe coming out the middle. After market sells just the opposite?? And they are NO help! Any one got the answer?
Thanks Kurzy
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PaulB
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Joined: 12 Sep 2009
Location: Rocky Ridge Md
Points: 5162
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Posted: 09 Oct 2018 at 9:47am |
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Order one of each and send back the one that doesn’t work. Tell them if they knew their products you would have only order the correct one.
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If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits.
If you can't make it GO... make it SHINY
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Kurzy
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Joined: 02 Nov 2009
Location: WSS, Montana
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Posted: 09 Oct 2018 at 10:28am |
Howdy Paul, Thats the best one I heard yet! I been doing orange for over 40 years and never had trouble like that back in the old days. The older AC dealers that are gone now sure knew there products back then.
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DrAllis
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Joined: 12 Sep 2009
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Posted: 09 Oct 2018 at 11:57am |
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I've never seen an aftermarket gas muffler that looked like an OEM. They always come out in the center instead of to one side. They don't sound the same either.
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Kurzy
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Location: WSS, Montana
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Posted: 09 Oct 2018 at 12:18pm |
Howdy DrAllis, In my 1967 Allis brochure It shows the muffler both ways. On the diesel it pipe out top center and on gas in brochure it comes out one end of oval. Brochure same year as tractor!
Thanks Kurzy
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Bear Taylor
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Joined: 13 Dec 2017
Location: Central Kansas
Points: 80
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Posted: 09 Oct 2018 at 1:05pm |
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I own a 170 and I ripped my muffler off when I ran into a tree branch about three years ago. I often have to work around trees so I saw it coming sooner or later. I found a generic brand muffler at a local farm store that was designed to fit AC tractors. Thirty dollars later I was back on the tractor moving limbs.
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DrAllis
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Posted: 09 Oct 2018 at 7:30pm |
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I guess I'm kind of stumped on your muffler confusion. It's like this: the gas tractor is a different muffler than a diesel tractor. They also take a different clamp at the manifold pipe, which probably means the diesel muffler inlet is a larger diameter than a gas inlet. I stand by what I said. I've never seen an after-market oval shaped muffler for a gas 170 that LOOKS LIKE an OEM factory Allis-Chalmers muffler. The outlet pipe is always centered in the body, unlike the original equipment muffler that was offset.
Edited by DrAllis - 09 Oct 2018 at 7:31pm
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Kurzy
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Posted: 10 Oct 2018 at 9:08am |
Howdy DrAllis, I wish I could show you this original 1967 brochure that my tractor is. If you can believe the brochures! Does show the diesel pipe coming out center and gas coming off to side of oval. I am working with All States Ag parts and it looks like aftermarket has the two numbers turned around. I will get to the bottom of this shorty.
Thanks very much Kurzy
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ocharry
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Joined: 26 Jun 2016
Location: missouri
Points: 288
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Posted: 10 Oct 2018 at 9:32am |
my 1970 ,,,170 gas has the pipe centered coming out the top and bottom
im pretty sure it is the original muffler,,,but i am the 3rd owner so i cant say for certain ,,if thats any help
ocharry
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DrAllis
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Posted: 10 Oct 2018 at 9:34am |
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You still aren't getting it. The diesel OEM muffler outlet pipe WAS in the middle of the oval body. The gasoline OEM muffler outlet was offset. After-market parts such as you are looking at may not be the same. I'm not even sure you can buy an original looking 1967 OEM style muffler from AGCO anymore.
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DrAllis
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Posted: 10 Oct 2018 at 9:35am |
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1970 model year was still offset on gas tractors. Yours has been changed .
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ocharry
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Posted: 10 Oct 2018 at 9:55am |
really doesnt matter to me,,,it seems to work just fine putting the exhaust out the center,,,lol
i didnt know but now i do,,just trying to help out,,,,thx Doc
ocharry
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tbran
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Joined: 14 Sep 2009
Location: Paris Tn
Points: 3539
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Posted: 11 Oct 2018 at 11:07am |
oem mufflers were NELSON NLA that I know of - and the last ones were $$$$ and the Stanley ones are loud... sad... there was nothing like the smooth sound of the oem muffler and the smell of it 'burning in' ...
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When told "it's not the money,it's the principle", remember, it's always the money..
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AllisFreak MN
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Joined: 07 Dec 2009
Location: Minnesota
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Posted: 12 Oct 2018 at 8:31am |
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I've been trying to find a Nelson oval muffler with the offset outlet for my D17 for 15 years with no luck. Like Dr Allis says, they all come out the center now and they don't sound the same. The original Nelsons purred like a kitten.
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'49 A-C WD, '51 A-C WD, '63 A-C D17 Series III, 1968 A-C One-Seventy, '82 A-C 6060, '75 A-C 7040, A-C #3 sickle mower, 2 A-C 701 wagons, '78 Gleaner M2
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DougS
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Posted: 12 Oct 2018 at 8:40am |
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Some automobile mufflers were oval with an offset outlet. You really can't change that on a car replacement, as the piping won't allow for it. I wonder if there are some replacement automobile mufflers that would work. The size of the oval and the inlet pipe size would be the most important. Perhaps Walker's web page would give the physical specs for their products.
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Steve Zidlicky
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Joined: 15 Sep 2009
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Posted: 12 Oct 2018 at 11:21am |
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I know someone will not agree but the muffler on my series 4 17 went bad this summer and I had a automotive oval muffler that was the same size and put it on. the heat was bad in the hay field and I did not think too much about the heat coming off of the tractor until I stopped it and there was pressure coming from gas cap. took it off and the gas was boiling. patched up the old muffler and put it back on and no more heat issues. I guess the auto muffler had the wrong guts in it.
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DougG
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Location: Mo
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Posted: 12 Oct 2018 at 11:57am |
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Boiling gas could've made a real bad situation,, didn't IH have problems like that in the M,s etc?
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DrAllis
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Posted: 12 Oct 2018 at 12:32pm |
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Most people don't realize the A-C One-Seventy gas had a factory recall in 1968 or 69 to install a heat shield between the engine and the gasoline tank. My Uncle had one and on a hot Spring day plowing you didn't fill the tank clear full or it would boil out the fill cap. The update heat shield fixed that issue.
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DougG
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Posted: 12 Oct 2018 at 12:38pm |
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Good they did that !
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Bear Taylor
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Location: Central Kansas
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Posted: 12 Oct 2018 at 3:04pm |
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I did notice after buying my 170 four years ago that gasoline would leak out if I filled the gas tank. After that I started leaving the tank a few inches below full with no more leakage. My tractor was supposed to be a 1974 model but I think it was probably a 1973 that was held over a year and sold in 1974.
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DrAllis
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Posted: 12 Oct 2018 at 7:26pm |
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When I was 16 or 17, I grafted a 180/185 muffler onto Dad's D-17 S4 gasser. I had to weld a pipe over the exhaust manifold pipe to bring it up to the larger diameter of the 180/185 inlet. The body of the muffler was the same size. The outlet was taller and noticeably larger in diameter. As a teen I was very sure there was a HP increase over the stock muffler !!!
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Kurzy
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Posted: 13 Oct 2018 at 8:08am |
Howdy, I got a call back from the Agco company that I ordered some of my parts from, they can get an oem muffler. The price is $445.00 !! Its from one of those companies that buy parts when Agco wants to dump a ton of parts. I think too rich for me.
Kurzy
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