Go BottomJohn Deere 4400 exhaust fumes
 | Dale
Join Date: Posts: 1 
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2001-06-02 28880
Hello everybody,I need some input concerning exhaust fumes.When I first got my 4400 the exhaust discharged underneath (standard position)it never really bothered me but my wife was getting a headache from the fumes.The fumes did tend to come up right up in the drivers area.So after talking to the dealer I ordered a smoke stack kit (approx $95)and installed it.It takes the exhaust out and up about 3'.Installation was very straight forward and required cutting a notch out of my brand new hood.Dang!I layed out the cut as directed,measured and rechecked the directions a thousand times, then stared at it about 20 mins before making that cut.(I told the dealer that if he received a call and someone was sobbing on the other end that to just go ahead and order a new hood!)But it came out perfect!Looks great.However, she still is bothered by the fumes.Are there any filters or other solutions to this problem?(and no, telling her to stay off the tractor is not an option!)Help!
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| Paul Fox
Join Date: Posts: 1
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2001-06-02 28888
Next thing to do is to extend the stack up so the exhaust exits well above the head of a seated operator. Other than that, I don't know of anything. Some folks are quite sensitive to diesel fumes. Smells like roses to me! ....
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| Roger L.
Join Date: Jun 1999 Posts: 0
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2001-06-03 28908
I don't blame her! I don't like the fumes either. They give me a headache and sore eyes. To deal with it, I've extended the exhaust on every tractor I've ever owned. Haven't had any problems at all, except for hitting low branches! Now I know not to mount them too sturdily. Making one is a simple as finding a piece of lightweight steel tubing that will slide over existing stack, and extend the stack a couple of feet. Sometimes I cut a couple of slots in the lower end of the extention, slide it onto the vertical pipe a couple of inches, and then put a muffler clamp around the joint to secure it. I've used a section of thin chrome tubing from a vacuum cleaner's carpet extention once, a piece of electrical conduit another time, The neatest one was a section of stainless steel tubing. It turns out that "tubing" comes in large diameters, and has a thinner wall than "pipe". Muffler "pipe" is actually mild steel tubing. But the best one was the easiest. For that one I took the problem to a muffler shop. After explaining what I wanted, they made me a 30" extention with an expanded portion to fit over the stub of the existing pipe for about $20. Since I was now at standard exhaust pipe dimensions, I went to the auto store and added a chrome piece to the top that directs the exhaust out away from me at an angle. Getting the exhaust up another couple of feet makes all the difference. It works even better than you think that it will.
BTW, the stock factory "extention" was only about a foot tall and was a complex (and expensive) thing. It was stupid dual diameter and heat shielded exhaust pipe with the top manufactured at an angle. Clearly designed by someone who had never ridden a tractor and got exhaust in the face. I pitched that piece where it belonged - the trash can. Then I mounted my own TALL extention and am a happy chap.
....
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| Don M
Join Date: Feb 2002 Posts: 120 myLocation
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2001-06-03 28925
If you get a nice fit, you can go without a clamp and then take it off easily for clearance.
-Don M ....
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| Roger L.
Join Date: Jun 1999 Posts: 0
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2001-06-03 28930
On mine it was the rain cap that was getting caught up in the tree limbs. It was also interfering with the exhaust. I took it off. The exhaust gets shot higher up and away as well. And I don't hear that clanging at idle. My preference is for tomatoe cans... ....
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| pjones
Join Date: Posts: 1
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2001-07-27 30453
Dale:
I have found my diesel supply to vary in purity. The more impure the d, the heavier the smoke and nastier the smell. Kerosine (jet fuel) is a purified hy-grade compatable fuel. Add 1/4 gallon of k to a full tank of diesel and you wife will be doing all your tractor work in no time.
Be carefull, too much k and your engine will run too hot. ....
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| Rich Luhr
Join Date: Posts: 1
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2001-07-30 30503
This is a long shot, but have you looked for "biodiesel"? It's rare stuff, made from waste vegetable oil, usually collected from restaurants. Everything I've seen, heard, and read about it indicates that it is perfectly safe for all diesel machines, especially tractors, with the minor caveat that it *may* be incompatible with older rubber hoses. The nice part of biodiesel is that it smells like french fries coming out of the exhaust stack. You'll actually like the fumes! I've smelled it and it's amazingly pleasant, plus you get a warm'n'fuzzy feeling from having used a completely renewable product made from vegetables. The trick is finding some: there are no major national producers of the stuff and availability is basically limited to whoever you can find locally. You can also make it yourself but it involves somes nasty chemicals (lye and some explosive stuff) so you'd really want to be serious about it before you made the investment in equipment and time. The end result of the chemical process is soap and biodiesel fuel ... for more, you can get books online which tell you all about it. This sure would make the wife happy! ....
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