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Case 446 Exhaust?

case 446 exhaust

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6 replies to this topic

#1 Mark 149 J. ONLINE  

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Posted June 08, 2017 - 10:00 AM

I've noticed that some of the older Case 446 have different types of exhaust.  One version they cut the hood and have the exhaust come out the side in the other version they don't cut the hood and the exhaust appears "normal".  Why did they do this?  Was this an option?

 

Here are some pictures to show you what I'm talking about.  First one is cut the second is not.

74211_opt.jpga105436.jpg


Edited by Mark 149 J., June 08, 2017 - 10:02 AM.


#2 LilysDad ONLINE  

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Posted June 08, 2017 - 12:02 PM

I only see one photo.



#3 Mark 149 J. ONLINE  

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Posted June 08, 2017 - 12:15 PM

I see 2??????


Edited by Mark 149 J., June 08, 2017 - 12:16 PM.


#4 mtoney OFFLINE  

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Posted June 08, 2017 - 02:31 PM

The early 446 had the external twin mufflers.  Just as the early 444 had a single side slung exhaust on the early models.   Both models got underhood exhaust and the twin side slung mufflers were done away with.   Those twin external mufflers have not been reproduced and thier design with the dished inwards top plate lead to rusting out.  The mufflers alone, if in really good shape, can fetch nearly as much as some tractors sell for complete  I suspect that concern over burn dangers of the exposed mufflers is the primary reason to move the exhaust under the hood and behind shielding.     Mike


Edited by mtoney, June 08, 2017 - 02:32 PM.

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#5 Mark 149 J. ONLINE  

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Posted June 08, 2017 - 02:38 PM

The early 446 had the external twin mufflers.  Just as the early 444 had a single side slung exhaust on the early models.   Both models got underhood exhaust and the twin side slung mufflers were done away with.   Those twin external mufflers have not been reproduced and thier design with the dished inwards top plate lead to rusting out.  The mufflers alone, if in really good shape, can fetch nearly as much as some tractors sell for complete  I suspect that concern over burn dangers of the exposed mufflers is the primary reason to move the exhaust under the hood and behind shielding.     Mike

Thanks for the information!

 

Do you know how many years they used the external mufflers?



#6 JBRamsey ONLINE  

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Posted June 08, 2017 - 07:48 PM

I have a 446 with the twin mufflers. They are in good shape but I really don't care for them.

Stupid question: can you put the later version exhaust on the older models? I presume so.

#7 gopher OFFLINE  

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Posted June 08, 2017 - 09:19 PM

I have a 446 with the twin mufflers. They are in good shape but I really don't care for them.

Stupid question: can you put the later version exhaust on the older models? I presume so.

It depends on if where your oil reservoir is located. In front under hood no.  If in steering tower yes.


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