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Tractor Talk Discussion Forum

Do they make shorter mufflers?

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Andrew Reinhart

10-13-2003 04:42:03




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I need to get a John Deere 620 Tractor through a 7 foot tall garage door. There should be no problems at all except I think the exhaust is going to be a couple inches too tall. Does anyone make an exhaust pipe that is just a few inches shorter? The local john deere dealer told me no, but I figured if it was made, you guys could tell me who makes it or where I could get one. Would a muffler from another tractor that is shorter fit? Thanks for the help.

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Hoppy

10-16-2003 14:35:58




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 Re: Do they make shorter mufflers? in reply to Andrew Reinhart, 10-13-2003 04:42:03  
A muffler for a styled AR from a JD dealer should bolt right to your 620, they are shorter.



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Bus Driver

10-13-2003 16:08:33




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 Re: Do they make shorter mufflers? in reply to Andrew Reinhart, 10-13-2003 04:42:03  
Had same situation with Farmall 140. I bought a short muffler blank from JC Whitney and made a new muffler that will go under the garage door when the door is open. That way, my genuine muffler was not modified at all. The blank is glass pack and is louder.



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JD-Tractor

10-13-2003 17:48:28




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 Re: Re: Do they make shorter mufflers? in reply to Bus Driver, 10-13-2003 16:08:33  
As mentioned by someone else the trajic results of getting your head stuck under the door header you probably should modify the door opening if this is not just a one time deal.



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RayP(MI)

10-13-2003 14:41:22




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 Re: Do they make shorter mufflers? in reply to Andrew Reinhart, 10-13-2003 04:42:03  
Have the same problem, a too low door! Unfortunately the door came first! I now have two tractors with shorter than normal mufflers. I used a pipe cutter to remove the necessary couple inches off the top of each. Pipe cutter does a nice smooth cut, and leaves a slight crimp on the top, don't think many tractor experts would even notice the difference. Downside is that operator is more likely to get fumes in the face, especally when standing up at the operator's position.

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Bruce

10-13-2003 13:15:20




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 Re: Do they make shorter mufflers? in reply to Andrew Reinhart, 10-13-2003 04:42:03  
I had a short shed for awhile - and had a custom rig for my MM Z. Piped in a 90 deg bend, put whatever muffler horizontal along the hood toward the front, then another 90 deg bend up. Used a removeable section going up again after that - sort-of slip-fit over the 90 deg. bended section. Used a pliers to remove the vertical section again before pulling back into the shed. It wasn't pretty, but the tractor did sound right.

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ZQUINN

10-13-2003 12:26:42




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 Re: Do they make shorter mufflers? in reply to Andrew Reinhart, 10-13-2003 04:42:03  
Andrew, my Dad ordered a 1959 530 WF JD, with nothing coming out of the hood. Just so he could get into our barn, with the manure spreader. The exhaust went under the tractor, like a Ford. We had it for fifteen years, it was a great tractor!!! Wish we still had it!!! ZQUINN



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RB70D

10-13-2003 08:18:05




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 Re: Do they make shorter mufflers? in reply to Andrew Reinhart, 10-13-2003 04:42:03  
I tried putting a shorter muffler on a 70. I used the muffler from an A which is slightly shorter. At high rpm part of the exhaust blew out under the hood. These were the round John Deere exhausts. I think the length makes a difference.



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Warren

10-13-2003 07:21:56




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 Re: Do they make shorter mufflers? in reply to Andrew Reinhart, 10-13-2003 04:42:03  
Andrew,

One of the responses mentions that he had to duck level with the steering wheel so as not to bump his head. This reminds me of a tragic accident happened years ago. A kid was backing a tractor into a garage with a similar low opening. He must have forgotten about the low header and got his head trapped between the steering wheel and the door header. Be careful!



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DRL

10-13-2003 06:32:03




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 Re: Do they make shorter mufflers? in reply to Andrew Reinhart, 10-13-2003 04:42:03  
If you are good with a welder and have some kind of cut off saw, you could try cutting the 4 bolt flange off of the bottom of the muffler, cut whatever you need extra off of the muffler, and then weld the base back onto the now shorter muffler. I've never tried it, but it seems like it should work. I am assuming that you have the round stack, like the A's, 50's, ect. have and not the oval muffler. If it is the oval type, not sure if you could get enough clearance off of the hood to do this.

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KURT (mi)

10-13-2003 06:02:39




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 Re: Do they make shorter mufflers? in reply to Andrew Reinhart, 10-13-2003 04:42:03  
When I brought my farmall H home I sawed about 8 Inches off of the stack pipe, the muffler was not touched. I had about 1" left over with the rain cap still on. I had to duck level with the steering wheel so I wouldnt bang my head on the garage door header.



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paul

10-13-2003 05:07:59




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 Re: Do they make shorter mufflers? in reply to Andrew Reinhart, 10-13-2003 04:42:03  
Hacksaw if you just need a few inches shorter.

This will put a bit more exhaust & noise a bit closer to your head. You can put a slip-on extention on to make it original or more height, if you can remember to remove it each time (with welders gloves!) you go in the shed.

Otherwise, look for a muffler with the same in & out pipe sizes. It will make the tractor sound different, but I'm sure something Stanley makes for some tractor would work.

Any of this may slightly alter the back-pressure your engine gets, but shouldn't be a any type of problem.

--->Paul

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andrew reinhart

10-13-2003 05:18:54




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 Re: Re: Do they make shorter mufflers? in reply to paul, 10-13-2003 05:07:59  
Thanks for the info. I think I need just a little more than a hacksaw can get me. You said to buy a muffler made by stanley? Who's that? Sorry I kinda new to buying tractor parts. Where can I buy these? The john deere guys told me I couldn't get a shorter muffler. THanks



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paul

10-13-2003 05:37:23




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 Re: Re: Re: Do they make shorter mufflers? in reply to andrew reinhart, 10-13-2003 05:18:54  
Most any farm supply store (TSC, Napa-type stores in rural areas, etc.) carries after-market mufflers for tractors. Most of the farm catalogs, like S h o u p, V a l u e-B u i l t (without the e & u, have to get past the censor won't even try to list the web sites [wow, even my first effort didn't pass any more - apperently you can find the mufflers here on the web site advertisers as well?]), and so on have the full range of mufflers available. Some carry a few, some carry a lot. But most likely you can find something that will fit, even if it was not made for your tractor specifically.

Stanley seems to be the biggest maker of after-market tractor mufflers, at least in my neck of the woods.

Some combine mufflers are actually horizontal - like a tractor muffler, but laid on it's side, you could add a bracket and shoot the exaust to the front! Both my old JD & my middle ages Gleaner have such mufflers.

Certainly your dealer won't approve of this, as you are not buying from him. :) And it might change the sound, fumes, and look of your tractor, which might not be acceptable to you. A used muffler is not returnable, so I'm warning you, try this on your own nickel, the results are not always great or what you wanted. This is an experiment on your part. But it is possible. The catalogs list the inlet & outlet & heights of these after market mufflers in most catalogs. The one for your tractor will probably be the same as JD original, but some other muffler may match the sizes but be shorter.

Most tractor mufflers have 6-8" of pipe above the top of the actual 'muffler' part - surely you can hack off your 'couple inches' unless you meant a foot or more - at which point, how will you fit in the door - can get to the point where you are putting yourself in danger of squishing in the door frame.....

--->Paul

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