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Old 08-27-2019   #1
LDowney
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Default Trailering Tractor with Forward Facing Exhaust. Issues?

Hey guys. Picked up my new Kubota M7060 tractor this week. As you can see from the photo below, the exhaust on this model is forward facing. Someone told me recently I need to close/cover this exhaust off when trailering the tractor to prevent water from entering the exhaust system and turning the Turbo in reverse would eventually burn it out. And yes, since this is my business, I trailer the tractor several times a week.

Is this a real issue? Should I be blocking this exhaust pipe off when towing?

Any Kubota M7060 owners that has turned the exhaust 90 degrees? Is that a better solution?

Thanks.

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Last edited by LDowney; 08-27-2019 at 05:17 PM.
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Old 08-27-2019   #2
BigG
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Default Re: Trailering Tractor with Forward Facing Exhaust. Issues?

Load it backwards. JK There are arguments for covering or not but each engine is different. If this a concern to you why not purchase a flapper valve to cover the opening? If the valve is in place you do not need to worry about it blowing off or forgetting to put it on. http://armysurpluswarehouse.com/larg...er-cap-6-inch/ I do not know how big your exhaust is but it is not big money at least.
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Old 08-27-2019   #3
Fordtech86
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Default Re: Trailering Tractor with Forward Facing Exhaust. Issues?

It wouldn’t be the issue of it turning backwards, it would just be an issue of the turbo spinning without the turbo being supplied oil for lubrication of the turbo shaft.
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Old 08-27-2019   #4
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Default Re: Trailering Tractor with Forward Facing Exhaust. Issues?

Downey - I see you went with R4's. Nice tractor!

I can't help, but do recall this issue coming up a couple/few years ago here on OTT.

There may be others that recall the conversation/consensus better than I. Also maybe you could get lucky with the search function her at OTT.

Contractors haul turbo diesel equipment with similar exhaust everyday. Somebody's gonna know.

Good luck with that great machine,!

Sent from my QTASUN1 using Tapatalk

Last edited by RCW; 08-27-2019 at 05:38 PM.
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Old 08-27-2019   #5
dlsmith

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Default Re: Trailering Tractor with Forward Facing Exhaust. Issues?

The turbo issue is an old wives tail. The way a turbo housing and turbine wheel are made, it would take a LOT of airflow to make it spin. Besides, where is the air going to go once it exits the turbo? Diesel engines have little or no valve overlap (Intake and exhaust valves open simultaneously) so there is no place for it to go.
In 50 years of working around construction equipment and trucks, I never heard of such a failure.

The problem of rain entering the exhaust is a valid concern though. If enough got into a cylinder with an open exhaust valve, it would hydro-lock the engine, and that would not be good. Water in the turbo housing would not be good either if left setting for a while. It could rust up the turbine wheel oil seal ring(s) causing it to fail.
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Old 08-28-2019   #6
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Default Re: Trailering Tractor with Forward Facing Exhaust. Issues?

Mine are both pointed sideways and I trailer them both infrequently.
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Old 08-28-2019   #7
North Idaho Wolfman

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Default Re: Trailering Tractor with Forward Facing Exhaust. Issues?

Turbos can spin enough to damage them, you can't move enough air.

Water is a small concern as ay water in there is bad, but you would have to be flying long at a good clip in a real heavy rain storm with the wind just right for water to ever get in there, that odds of getting any amount of water in there that would be of any concern are really really low.

But if your concerned about it, put a sock ( cover) over the exhaust when you move it.
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Old 08-28-2019   #8
sdk1968

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Default Re: Trailering Tractor with Forward Facing Exhaust. Issues?

^^^ thought of a "sock" per se.....

was thinking about a sock for a different part of your body. LMAO

also can go by a less sexual name: stick a balloon over it.

or even just a ziplock bag with a rubber band on it.
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Old 08-28-2019   #9
SidecarFlip

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Default Re: Trailering Tractor with Forward Facing Exhaust. Issues?

Quote:
Originally Posted by North Idaho Wolfman View Post
Turbos can spin enough to damage them, you can't move enough air.

Water is a small concern as ay water in there is bad, but you would have to be flying long at a good clip in a real heavy rain storm with the wind just right for water to ever get in there, that odds of getting any amount of water in there that would be of any concern are really really low.

But if your concerned about it, put a sock ( cover) over the exhaust when you move it.
Clean or dirty sock? Like I said, I just rotated my stack to the side.
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Old 08-28-2019   #10
hope to float
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Default Re: Trailering Tractor with Forward Facing Exhaust. Issues?

Is there not a little U-bend at the bottom of the exhaust to trap any water going down the pipe.
Surely the same thing could happen parking it outside on a wet and windy night.
Used to always put a bean can on top of straight exhausts if the tractor was going to be parked up for a while but got sick of the sound of the bean can hitting the roof of the cab on start-up.
Eventually fitted a flapper
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