L48 exhaust conversion to stack discharge

/ L48 exhaust conversion to stack discharge #1  
Joined
Apr 4, 2007
Messages
27
Location
Northern Virginia
Tractor
Kubota L48
Although a whiff of diesel exhaust triggers good feelings in me, I don’t want to smell it all day.
Has anyone converted the side exhaust discharge on an L48 to a stack discharge, or otherwise found a way to direct the exhaust further away from the operator?
 
/ L48 exhaust conversion to stack discharge #2  
Perhaps a PICTURE(!) of your set-up would help find a solution.;) Just kidding.

I personally love the smell of the diesel. I have an upward exhaust. At the tip of it it is elbowed forward. I really don't have an overbearing smell except when first starting it in the barn.

I guess I'm really absolutely no help at all.
 
/ L48 exhaust conversion to stack discharge #3  
I just went to Kubota's website. I can't see the exhaust set-up for the L48. Is it some sort of down exhaust? I guess that WOULD be a bit annoying.

By the way, OWD, why don't you fill in your profile?
 
/ L48 exhaust conversion to stack discharge
  • Thread Starter
#4  
You've already helped... it was a pic of your M7040HD that started me thinkin' that I'd rather have an exhaust stack instead of the enclosed / side discharge exhaust.
The hood on the L48 even has a hole on the top (that is plugged) as if there is a stack exhaust option. The way it came, he entire system is under the hood with the tail pipe blowing it out the side of the hood and on to the inside sidewall of the the front left tire. A lot of it seems to get defelected back into the cab area. :(

I'll work on that profile...:)
 
/ L48 exhaust conversion to stack discharge #5  
Yeah, if I were you I'd convert it to a stack. I wouldn't like that set-up at all. The only disadvantage with stack exhaust is if you have low-lying limbs and trees, sometimes the exhaust could get snagged. But in my situation the ROPS is the rate-limiting height factor anyway. I'll bet there is an option for your tractor. Ask your dealer, I'd bet he could just order a conversion kit.
 
/ L48 exhaust conversion to stack discharge #6  
Hmmn. I've had my 48 about 2 1/2 years and can't think of a time other than maybe in the wrong wind direction, that I had exhaust problems. My set up is the same as yours and I'm sure all others as they leave the factory..
 
/ L48 exhaust conversion to stack discharge
  • Thread Starter
#7  
It's not bad enough where I'd consider it a real problem. And I agree, it's not a constant situation, I'd just prefer to smell it less often. It's also harder on whoever is working on foot while near the running tractor, which is often me. Does your L48 have the plugged hole in the top of the hood also? Do you know what that hole is for? I was just guessing that it might be for an exhaust stack.
It seems to be a fine machine regardless.
 
/ L48 exhaust conversion to stack discharge #8  
Only rarely does the L48 exhaust bother me. It points slightly down but more out on the left side. The extra hole I believe is for an extra air filter for dusty enviornments. I have a Ford 3400 with the stack right out of the hood at ear level, which I think has caused me minor hearing damage. The L2350 GST Kubota I use has a factory stack which is taller than ear height and the stack points forward at the top, which I think I found more obnoxious than the L48 exhaust issues.
 
/ L48 exhaust conversion to stack discharge #9  
Oliver Wendell Douglas said:
You've already helped... it was a pic of your M7040HD that started me thinkin' that I'd rather have an exhaust stack instead of the enclosed / side discharge exhaust.
The hood on the L48 even has a hole on the top (that is plugged) as if there is a stack exhaust option. The way it came, he entire system is under the hood with the tail pipe blowing it out the side of the hood and on to the inside sidewall of the the front left tire. A lot of it seems to get defelected back into the cab area. :(

I'll work on that profile...:)


The hole on top of the hood is for a Kubota air cleaner pre filter pipe, not an exhaust stack. Also, I would gladly have a bottom exit exhaust pipe like on my L39 on my M7040. When you wash the tractor and first start the engine to heat up and dry off the engine area, the exhaust stack blows light fluffy wet exhaust soot all over the FEL and what ever else is around the tractor!!!!!!!! And no, I don't put the hose down the exhaust stack. It just seems to get water inside somehow.
 
/ L48 exhaust conversion to stack discharge
  • Thread Starter
#10  
I do like the unobstructed forward view allowed by the low exhaust system, and it sounds like no alternative has been developed. It still seems a less than optimal placement to me… and makes my 3 piece suit vest smell funny…;)
 
/ L48 exhaust conversion to stack discharge #11  
OK...so the last comment was made over 7 years ago and still no one has commented on how the down-facing exhaust stirs up dust on dry ground. I would take a typical vertical exhaust any day, especially as I have a cab. It doesn't have A/C so the doors are off in warm weather. Judging by the dust in the cab, I should be wearing a mask....it's seriously dusty. Has anyone got a solution?
 
/ L48 exhaust conversion to stack discharge #12  
A vertical exhaust stack is on my to do list for my 5240. Other members (4shorts and Waxman) have already made stack conversions and have done a very nice job.
 
/ L48 exhaust conversion to stack discharge #13  
A vertical exhaust stack is on my to do list for my 5240. Other members (4shorts and Waxman) have already made stack conversions and have done a very nice job.

Thanks for your response. I have looked at 4shorts mod and he is obviously a skilled and creative fellow....his results speak for themselves. However, I am hoping to do something simpler. My 1991 Ford 1520 has a vertical exhaust that is only attached at the head (i.e. the three-into-one header/exhaust pipe is self-supporting). I think this is typical of older tractors. I would like to apply the same approach to my L-48. I will be speaking to a local custom exhaust shop and will let you know if he feels that my concept is workable.
 

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