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Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Forum
Show Parts for Model:

1550 Utility Muffler Curve Ball

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07-02-2014 17:25:38

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Well the 1550 Utility threw me a curve ball today. I got the OL-4 88 diesel muffler and was ready to install it when I got thrown. I had to cut the old one off with a die grinder then a chisel and hammer to brake it loose, Once off I found this one is different. Instead of a pipe nipple about 6" long I found it has a short cast nipple that is 2 7/8" wide with an 1 3/4" hole in it. No worry about restricting the flow at the muffler it already there. I don't have to worry about the hood as it has been butchered up but good, Now I know why there is bondo on it. An hour of tapping and a pipe wench and I knew it was not going to move so plan B. Plan B go to the auto parts store get some adapters and champs and hopefully with some cutting and welding I will have it together. Do any of you guys with 1550 utilities have this same fitting on yours? This sure threw me for a loop. I learned something new today, If you think you have it figured out, You Don't! Bandit

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07-03-2014 04:28:34

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 Re: 1550 Utility Muffler Curve Ball in reply to Banditfarmer, 07-02-2014 17:25:38  
Ours might have had that ring at some time, but the manifold and pipe were replaced a long time ago. We just have a 6" or so pipe coming out of the manifold to the 88 muffler like you were planning on.
Nice to know that the restriction was already there and "normal."
I did have the 88 muffler inlet expanded a little to fit the pipe we used. Probably close to what you are looking at in your pictures. Just took it to a muffler shop and stretched it a little.

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07-02-2014 19:31:26

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 Re: 1550 Utility Muffler Curve Ball in reply to Banditfarmer, 07-02-2014 17:25:38  
Looking at that second picture again, I think the larger end should be on the adapter. Book shows a long pipe on top going through the hood.

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07-02-2014 19:28:16

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 Re: 1550 Utility Muffler Curve Ball in reply to Banditfarmer, 07-02-2014 17:25:38  
My parts book shows that short adapter with a clamp and the muffler. Can't see the bottom of the muffler but it looks like it should fir over that adapter.

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Chief 83

07-02-2014 19:26:17

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 Re: 1550 Utility Muffler Curve Ball in reply to Banditfarmer, 07-02-2014 17:25:38  
The manifold on mine has been modified by a previous owner. It has a welded on piece of pipe that the muffler is slipped over then clamped. From the looks of the weld the previous owner was not a welder by profession. Actually looks like some of my handywork but I didn't cobble this one up. Eventually will need to be cleaned up. Going to try baling with it tomorrow. Might be it's last chance to perform.....

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07-03-2014 03:47:19

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 Re: 1550 Utility Muffler Curve Ball in reply to Chief 83, 07-02-2014 19:26:17  
That piece in the manifold is a factory piece. Look in the parts book.

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