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Exhaust stack rain cap, facing forwards or backwards?

B

buickanddeere

Well-known Member
Which way do you guys mount the exhaust stack rain cap?
Facing backwards blowing smoke and noise onto the driver? Or facing forwards and catching on tree limbs?
 
I always go forward to get rid of the noise and smell.. but a curved end is better than a RATTLE flapper if I can find one that fits.
 
All facing forwards and catching on tree limbs before they were removed.

Ding Ding Ding Ding Ding noise got on my one remaining nerve.
 
Rain caps and JD 2 cylinders are not to be mixed! Thats why my JD tractors have a coffee can in the toolbox. Plus its fun to watch em fly if you aren't worried bout your paint :>)
 
Watch which way your rain cap is facing in the rain when hauling your tractor. I know a couple guys that hauled tractors and hour and a half to a show in the rain, got their and the tractors wouldn't start. Got a good bath on the inside from the cap open going down the road and water going in.
 
Forward catching everything low enough. Don't matter though. Someone just told me all that diesel smoke I've been getting in my face over the years is going to give me cancer. "Son of a gun" I told them, "Then I may as well take up smoking, except that I already do". I'm a gonner, that's for sure. Coal dust from the power plants when I hit them, diesel smoke in my face, Marlboro Lights in my pocket...I am in big trouble. May as well take up drinkin and women too. Oh no, I already do that too. I am so toast.

Mark
 
Pulling some of my tractors to the various tractor shows made me put the hinge toward the front so that they don't blow open during transport just in case you run through rain. That's just me. "To each, his own."
 
Smoke goes up in the air no matter which way you mount the flapper- its not going to deflect enough smoke to make any difference. But rain goes in when hauling if you have hinge at back- so hinge always at front on mine. And a little shot of duct tape over the whole arrangement if I know I'm going to be hauling in the rain for long distance.
 
There was one on "Big John" our 55 model 70 when we bought it.

The previous owner did not park it under cover.

There was one on "Sparky" our 51M that was mounted sideways.

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It was kept under cover by David Arnette the previous owner.

My dad had a Farmall Super C with the flap mounted facing backwards avoid hanging on low limbs.

Quit counting how many times he knocked that muffler off.

Standard Operating Procedure No. 1 - If the leaves on the limb touches my hat, then the limb gets cut.

We also keep coffee cans around just in case one sits out overnight.

Speaking of the coffee cans, there needs to be an event at tractor shows to see which tractor can "blow" the can the highest in the air.
 
Put it on so the henge is at 45degrees on the front right. This keeps it from catching limbs etc., and provides a deflection to the left of fumes at part throttle. JimN
 

Then there's the issue of air coming down the pipe when transporting and making the turbo turn, on tractors with turbos, so that's an arguement for facing the hinge to the front. As I understand it, turbos don't get lubed unless the engine is running.

KEH
 
Glen: Position it so it points downwind when tractor is parked. Any other position, it just shovels water down the stack during wind and rain. I've looked out on those on numerous ocasions, only to see the wind holding it straight up, and the cap in turn deflecting rain down the stack. Worse than nothing on there.
 
I just use curved chrome pipes. Pointed forward and away from the center of the tractor- never across the hood.
 
Sure ya ain't tryin' to stir the pot??? This is a topic that usually does it. LOL!!!

BTW,Opening always facing away to keep the condensation/soot speckles off my face.One on every tractor and never seen one standing straight up in high wind and rain.

Good quality ones tend to perform as they were intended.
 
I agree to the can blowing contest.
Worked for a guy that hat a rain flapper on a JD model G. It nearly drove you nuts at idle. It sounded like boom ding boom ding boom ding boom ding. Boom was when it fired and ding was the cap slaping shut again. Needless to say the thing did not last long around me.
The rain hat that is.
 
The ones with caps face forwards but not for any particular reason. The rest are angled ahead and to the left to blow the smoke and noise away with the exception of the truck... and those are pointed back and away.

Rod
 
Seems to be a tradition around here to put them backwards on tractors with canopies and forwards on those without canopies. Of course, it also depends on the length of the pipe. Pipes are taller to go over canopies. Pipes are taller where the tractor isn't intended to go under trees. Pipes shouldn't be tall going under trees. Pipes should be down and under for low clearance applications, then trees and flapper caps aren't needed.
 
For those that say they mount them with the hinge in the front to save the stack if they catch tree limbs, cant you catch the same tree limb if you back up in the same place. Just having fun with this one.
 
Joe Newman always puts his on facing sideways, and claims it's equivalent to putting a 5th wheel with a generator on the back.
 
Joe Newman always puts his on facing sideways, and claims it's equivalent to putting a 5th wheel with a generator on the back.
 
Hinge on the front with the opening on the rear is the way ours are installed. If you transport a tractor with a turbo, duct tape the opening and cap to prevent the turbo veins from spinning. There is no "right" way, just whatever you prefer and makes you happy.
 
I mount mine the same as I wear a baseball cap, bill/flapper forward. Helps keep the sun off the exhaust pipe (lol). The flapper helps extend the exhaust up another few inches before it comes back over my head. There are plenty of contrary kids/punks nowadays that wear their caps with the bill backwards, but to each his own.
 
If you drive them where they are supposed to on tractor rides their should not be any limbs and if their are you find a different road. Bob
 
But what if you want to take it to a plow day?(after making sure there is no manure in the field, of course)
 
I thought it was a good post.
When it comes to these old tractors the least important and most esoteric things are still worthy of a good discussion.
 

Exhaust cap should always be places so it opens to the back. If you trailer or lowbed a machine with the rain cap forwards the air will spin a turbo if the engine has one and burn it out. All good truckers always tape the rain cap closed for this reason.
Don from Canada
 
I made a lot of raincaps in stainless for years but stopped as they were costing too much to make for what people were willing to pay for them. Biggest complaint was they would get stolen at shows. For the ones I made to put on a customer's stainless muffler I would ask them what direction they would like it to face and I would tac weld the clamp to the tube. The final straw was a customer that said it didn't matter, so I made it with the hinge to the rear (Allis D-10) and when the customer got the muffler he called in the evening and cussed a blue streak at my wife about it. Needless to say, that ended that. Raincaps discontinued.
 
I carry a Campbell's soup can minus the soup, cover and label. I place it on the deck just to the left of the seat. Then when I shut the tractor down I place it over the exhaust stack. It is a nice fit and wind won't blow it off. Then when I start the tractor (because of the "nice fit") it has, on occasion, reached an altitude of forty feet AGL.
 
Often times, doing the small things wrong will cause huge problems later.

Yes, rain caps are small things but if they are facing the wrong direction for the situation, it can cause big problems.
 
I am a fan of the soup can, except I have a piece of wire tied to it so I don't have to go look for it when I start the tractor and it blows off and hides in the snowbank. Unfortunately, soup cans eventually rust out, so it needs to be inspected regularly for pinholes that might let rain in. Also, the wire should be of the stainless variety (I have some aircraft locking wire) otherwise the wire can rust through and you may lose the custom can that someone is bound to want to steal so that they can recycle it.
 
Jubilee - horizontal exhaust, no cap. 4600, 7000 - to the side. 7600 - to the front, because that's how it was when I bought it, never changed it. TW35 - curved tip, pointing forward. Combine - horizontal with a downward tilt (factory). 5000 - no exhaust on it yet - have a manifold for a horizontal exhaust, but will probably put a verticle on it, with a side pointing rain cap.
 
When hauling show / pulling tractors and over night at shows . I use the plastic lid off of the smaller coffee cans on the 4 inch stack . It stays put at 70 miles an hour too. It will burp on like a lid on the tupperware bowl. If you forget to remove it. It will blow up in the air but will not hurt paint or people.On the 36 JD B with muffler I use the yellow oval nestle quick plastic container . Just sceez it and put it on that is the yellow thing in the picture.
100_0063.jpg

100_0063.jpg
 
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