M274 mufflers

M274 Mechanical Mule Wanted, For Sale (NO AUCTION or EBAY), and Knowledge Base
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major519
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M274 mufflers

Post by major519 » Sun Nov 15, 2015 4:37 pm

I am interested to know if the 4cyl mule used left hand and right hand mufflers? If this was the case, did the 2 cyl changeover make use of the left hand muffler design?
I see lots of 4cyl mufflers advertised on eBay.
1968 M274A5 USMC 325489
1966 M274A2 USMC 333007
1958 M274 US ARMY 2B3379
1970 M38A1 CDN3 70-08715
1981 M101CDN Manac 3/4 trailer
1984 M1009 CUCV
1943 Converto Airborne Trailer


muleman7
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Re: M274 mufflers

Post by muleman7 » Mon Nov 16, 2015 12:21 am

Yes the M274 and M274-A1 with the 4 cyl engines used Left and Right hand mufflers. All the 4 cyl mufflers I see on eBay are left hand only. The mounts could be cut and re-welded to convert it to a right hand muffler. The mules with 2 cyl engines used a different type muffler but used the same mounting holes in the bed for the M274 4 cyl that became the M274-A3 when converted to a 2 cyl. The M274-A1 4 cyl became the M274-A4 when converted to a 2 cyl.

M274 Left Hand 4 cyl Muffler
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M274 2 cyl Muffler
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major519
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Re: M274 mufflers

Post by major519 » Mon Nov 16, 2015 3:31 pm

Thanks for the info. Thus said, are 2cyl mufflers available?
1968 M274A5 USMC 325489
1966 M274A2 USMC 333007
1958 M274 US ARMY 2B3379
1970 M38A1 CDN3 70-08715
1981 M101CDN Manac 3/4 trailer
1984 M1009 CUCV
1943 Converto Airborne Trailer

Chuck W.
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Re: M274 mufflers

Post by Chuck W. » Mon Nov 16, 2015 4:54 pm

Yes, check with John E.


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