Why a muffler on the 200?
Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=145089
Printed Date: 19 Jul 2025 at 9:08am
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Topic: Why a muffler on the 200?
Posted By: Eldon (WA)
Subject: Why a muffler on the 200?
Date Posted: 04 Dec 2017 at 4:15pm
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D19, 190 have straight pipes....why did they put a muffler on the 200?? ------------- ALLIS EXPRESS! This year: |
Replies:
Posted By: Dakota Dave
Date Posted: 04 Dec 2017 at 4:46pm
| 190 should have a muffler under the hood. At least mine does. Straight pipe goes on top of my muffler |
Posted By: HD6GTOM
Date Posted: 04 Dec 2017 at 4:54pm
| Eldon I bought a late 200 several years ago with a straight pipe and factory cab. Needed some work done on it, mechanic is about 13 miles away. Tractor had a muffler on it before I brought it home. |
Posted By: Ky.Allis
Date Posted: 04 Dec 2017 at 5:07pm
| Because of those two things on each side of your head. I think they are called EARS. |
Posted By: Joe(TX)
Date Posted: 04 Dec 2017 at 5:46pm
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The 190XT diesel did not have a muffler. ------------- 1970 190XT, 1973 200, 1962 D-19 Diesel, 1979 7010, 1957 WD45, 1950 WD, 1961 D17, Speed Patrol, D14, All crop 66 big bin, 180 diesel, 1970 170 diesel, FP80 forklift. Gleaner A |
Posted By: Lonn
Date Posted: 04 Dec 2017 at 6:07pm
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I think very late XTs had mufflers. The reason why mufflers were added is because noise levels were starting to be paid attention to. ------------- -- --- .... .- -- -- .- -.. / .-- .- ... / .- / -- ..- .-. -.. . .-. .. -. --. / -.-. .... .. .-.. -.. / .-. .- .--. .. ... - Wink I am a Russian Bot |
Posted By: FREEDGUY
Date Posted: 04 Dec 2017 at 6:10pm
| JOE(TX), can you elaborate on the XT not having a muffler?? Do you mean from the factory or have I missed some posts pertaining to the pipes(possible)?? |
Posted By: FREEDGUY
Date Posted: 04 Dec 2017 at 6:12pm
| Lonn, What is "late model"?? We have a '69 XT and DEFINITELY has a muffler, thanks. |
Posted By: Dave (Mid-MI)
Date Posted: 04 Dec 2017 at 7:19pm
| Agco parts book shows muffler starting at engine number 2D-52301 for the 190XT. Wonder what year that equates to. |
Posted By: AC720Man
Date Posted: 04 Dec 2017 at 8:15pm
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My late 1968 has none...straight pipe only. And I love it that way. Can you hear me now? lol, all kidding aside they are quite loud. The long pipe made it more barable vs say a shorter pipe. My brothers 1968XT has the factory cab, and it has a external round muffler!!!! Only 4 serial numbers off. Mine is 20346, his 20350. Probably built the same day and obviously went to the same dealer. We bought them both 49 years after production in the same area they were sold in. Tell me that isnt awesome! If you have never heard a 190 XT with a almost 4' long straight pipe mowing hay at 1,800 rpm you are missing out on some beautiful music. ------------- 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 |
Posted By: DSeries4
Date Posted: 04 Dec 2017 at 8:38pm
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Technically speaking, it is not a muffler on the 200. It is a resonator according to Norm's book. While it looks the same and serves the same purpose, I am just guessing that it would not be as restrictive as a muffler for air flow. Just guessing though. Yes, non turbo'd 190's had an under hood muffler. Turbo'd engines had a straight pipe up to some point in time as mentioned above. ------------- '49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '61 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080 |
Posted By: SteveM C/IL
Date Posted: 04 Dec 2017 at 11:07pm
| Somehow I turned into an old guy.I despise loud exhaust. I like quiet horse power. |
Posted By: KJCHRIS
Date Posted: 04 Dec 2017 at 11:34pm
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My Parts books show all had OEM mufflers. 190's gas & diesel serial #-19,000 and under shows #70243283 horizontal muffler under hood. 190XT & 200 early sn-4001, 210, 220 show #70253660 vertical. 40" length, 5" shell, 3" inlet & outlet. 190 turbo, 200 late, 7000 sn-8553 show #70271755 vertical. 48" length, 5 1/2" shell, 3" inlet & outlet. I got my 200 in 1981, it had a 3" into 4" chrome stack on it. Bellowed with the best of them on a 5x16" plow or 18' disc in plowed ground. When I replaced turbo and valve cover gasket a few years later it got a muffler. The next time hood was off Case 1175 it got muffler also. Remember neighbor who was in his late 70's said to me ; Kid,You must be getting old putting mufflers on. He and his hired help ran a pair of bare back IH 1206's with straight pipes, and fueled so you could spot them by the black smoke. He had 2 hearing aids at the time, had to shout at him and look straight at him when talking. ------------- AC 200, CAH, AC185D bareback, AC 180D bareback, D17 III, WF. D17 Blackbar grill, NF. D15 SFW. Case 1175 CAH, Bobcat 543B, |
Posted By: Jim Hancock
Date Posted: 05 Dec 2017 at 1:42am
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Here's what I grew up listening to and why I have hearing aids today as dad didn't do hearing protection back then. We got our first XT Series 3 in 69 when they first came out and it didn't have a muffler neither. And we pulled 5x16's.
I'm thinking that one of our forum members posted this to you tube. It's an XT plowing with a 6 bottom plow as they had "fine tuned" the tractor. http://www.youtube.com/watch?v=wfViApLm1WA" rel="nofollow - https://www.youtube.com/watch?v=wfViApLm1WA ------------- How blessed we are by HIS GRACE! |
Posted By: Bob J Wi
Date Posted: 05 Dec 2017 at 8:17am
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My 200 had a straight pipe with turbo. A retired AC dealer told me always be sure to idle down the engine for a couple of minutes to let the turbo cool. If not the hot turbo will burn the oil off the bearings and cause a turbo replacement. Probably applies to 200's with mufflers to.
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Posted By: Joe(TX)
Date Posted: 05 Dec 2017 at 10:44am
The XT DIESEL did not have a muffler. The straight 190 diesel and the gas tractors had mufflers. ------------- 1970 190XT, 1973 200, 1962 D-19 Diesel, 1979 7010, 1957 WD45, 1950 WD, 1961 D17, Speed Patrol, D14, All crop 66 big bin, 180 diesel, 1970 170 diesel, FP80 forklift. Gleaner A |
FREEDGUY wrote:Posted By: Lonn
Date Posted: 05 Dec 2017 at 11:01am
------------- -- --- .... .- -- -- .- -.. / .-- .- ... / .- / -- ..- .-. -.. . .-. .. -. --. / -.-. .... .. .-.. -.. / .-. .- .--. .. ... - Wink I am a Russian Bot |
Posted By: DrAllis
Date Posted: 05 Dec 2017 at 12:29pm
| Let's address the original question and try and correct the misinformation on this post. The reason for the muffler was to reduce engine NOISE !! The 200 got a pretty nice factory cab and it was time to help keep the noise decibels down as low as possible for the operator. The 200 had a 6 inch hole cut into the hood to accommodate this new muffler. Hood p/n of 70256268. There was never a 190 XT turbo diesel that had a muffler from the factory. None...zero...zip...nadda. I don't care what AGCO parts book says. There are plenty of mistakes on some of those since they went on-line. 190XT turbo diesel hood p/n is 70250680 and has a 3 1/2" hole in the hood. Any 190XT with a muffler has been added on plain and simple and maybe even had a bigger hole cut in the hood by someone. A-C never had a small hood hole with a muffler body above the hood like an IH tractor. |
Posted By: jiminnd
Date Posted: 05 Dec 2017 at 12:56pm
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Not related but my D21 had straight pipe,I cut out the hole and put a 220 muffler on it, would suspect the same thing on all the xt's with mufflers. ------------- 1945 C, 1949 WF and WD, 1981 185, 1982 8030, unknown D14(nonrunner) |
Posted By: SteveM C/IL
Date Posted: 05 Dec 2017 at 6:03pm
| My 220 arrived with a straight pipe.That sucked! I cut a big oval in the hood and put a 7040 muffler on it.Saved the piece I cut out ..... That hood is not a piece of tin or sheet metal.Must be at least 11ga.Used a saber saw.Turns out,the fan ROAR is rediculas! |
Posted By: FREEDGUY
Date Posted: 05 Dec 2017 at 6:53pm
| Thanks for the clarification Doc. I kinda feel for my dad cuz he spent $90 on what he thought was an OEM replacement muffler at NAPA,we had pin holes in our "original" |
Posted By: FREEDGUY
Date Posted: 05 Dec 2017 at 7:05pm
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Did some checking on the Agco parts system; part # 70250632 serial # 19001 and up-" MUFFLER " |
Posted By: FREEDGUY
Date Posted: 05 Dec 2017 at 7:06pm
| This is for a 190 XT |
Posted By: DON G
Date Posted: 05 Dec 2017 at 8:00pm
 I added a muffler on the 190xt, later traded for 7000 because of ear ringing at night. After 39 years 7000 still working and has never had any troubles we could not fix at home.
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Posted By: DrAllis
Date Posted: 06 Dec 2017 at 6:46am
| s/n 19001 and up was when the hood sides were made longer downward. Like I said....the muffler listed for a turbo XT is WRONG. |
Posted By: Charlie175
Date Posted: 06 Dec 2017 at 7:15am
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I was thinking in the Allis book there is a picture of a 190 with Muffler. Maybe this was only in the prototype stage and they decided one was not needed. I have mine to help with the noise level but my brothers does sound sweet with the straight pipe. Do they make a straight with a inner baffle or something? ------------- Charlie '48 B, '51 CA, '56 WD45 '61 D17, '63 D12, '65 D10 , '68 One-Ninety XTD |
Posted By: FREEDGUY
Date Posted: 06 Dec 2017 at 7:25am
| Thanks Doc, I failed to read low enough in your original post pertaing to the part #. I must add that whatever we took off of our turbo XT, serial # 21601 xtx ,was VERY heavy - walled steel, sure looked factory LOL. Thanks again |
Posted By: DrAllis
Date Posted: 06 Dec 2017 at 7:46am
| One-Ninety's gas and diesel after s/n 19001 and up had a MUFFLER above the hood. Previously they had a horizontal muffler underneath the hood. The tractor in question is the One-Ninety XT turbo diesel, which as I said, never had any kind of muffler. |
Posted By: Lonn
Date Posted: 06 Dec 2017 at 7:55am
------------- -- --- .... .- -- -- .- -.. / .-- .- ... / .- / -- ..- .-. -.. . .-. .. -. --. / -.-. .... .. .-.. -.. / .-. .- .--. .. ... - Wink I am a Russian Bot |
Posted By: Butch(OH)
Date Posted: 06 Dec 2017 at 7:57am
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The Doc (as usual) has it right. We had one of the very last 190XT III diesels built and it had a straight pipe. The first 200s were on the dealers lot and they had a muffler. Never was a 190XT diesel built with a muffler and never was a production 200 built without one. |
Posted By: joe
Date Posted: 06 Dec 2017 at 8:05am
| Does anyone find that the muffler on a 200 made a difference? Granted it was A&I, but after years with a straight pipe, I put a muffler on the 200, and never found it made any difference at all. That tractor was loud no matter how you sliced it. The only thing that made it louder was if the door was open 3"-12". Then it was unbearable. Shut and all the way open were the same. |
Posted By: Butch(OH)
Date Posted: 06 Dec 2017 at 8:48am
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when it was a couple years old I installed a 200 muffler on our 190xt and the difference was negligible. Here is the XT when it was about 5 years old after I added the 220 muff, the ole A when it was 40 years old, and me when I was about 19 years old. Dont know where the xt is today but the ole A looks much better today than then, cant say the same for me, LOL  |
Posted By: polarbear
Date Posted: 06 Dec 2017 at 11:03am
| my 200 had a muffler but if you hook a tree limb you had a bent hood so we went with a chrome stack that was at least the same height of the muffler the sound was not as bad |
Posted By: FREEDGUY
Date Posted: 06 Dec 2017 at 6:13pm
| Butch, that is pretty much EXACTLY what we replaced 4 years ago on our XT. Dad bought this tractor used from a dealer that had sold the unit new to farmer that tore out the rear end and brought it back to dealer to repair. When the total cost of the rebuild was told to original owner after repairs were done,the owner told dealer to "KEEP IT!!". Dad got t5he tractor for what dealer had in it for those repairs. If these turboed XT's did NOT come from factory with a muffler, who put them on ?? Thanks |
Posted By: Lonn
Date Posted: 06 Dec 2017 at 6:27pm
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Anyone can install a muffler ------------- -- --- .... .- -- -- .- -.. / .-- .- ... / .- / -- ..- .-. -.. . .-. .. -. --. / -.-. .... .. .-.. -.. / .-. .- .--. .. ... - Wink I am a Russian Bot |
Posted By: captaindana
Date Posted: 06 Dec 2017 at 6:41pm
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Of course the DOC is correct!!!!!!😀👍 ------------- Blue Skies and Tail Winds Dana |