Loader Flipped my L48 Kubota

   / Flipped my L48 Kubota #141  
How does one cut off the fuel supply on a tractor? I thought shutting the key off would of done that.

In a normal situation my key cuts fuel flow. But there is a manual cut-off at the injector pump also.

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   / Flipped my L48 Kubota #142  
How does one cut off the fuel supply on a tractor? I thought shutting the key off would of done that.

Grasshopper, some machines have key-off-fuel solenoids, others have mechanical cable or lever operated fuel shutoff, including dump throttle models. All should have a valve on the tank outlet though, with some exceptions.
 
   / Flipped my L48 Kubota #143  
So is that what OP did you think, shut the fuel off at the injector pump. Next time I look at my tractor, I'l see if I can find that manual shut off.
 
   / Flipped my L48 Kubota #144  
So is that what OP did you think, shut the fuel off at the injector pump. Next time I look at my tractor, I'l see if I can find that manual shut off.

Mine are on the dash. Most are pull buttons. On one the hand throttle has an extended stop position.
 
   / Flipped my L48 Kubota #145  
Permatex makes a nifty head gasket spray. I use it on both sides.
I would have reused it with coppercoat. It would not leak then. I haven't put a head gasket on without it after a co-worker at a car dealer told me about it. My buddy uses the $1/can aluminum color spray paint because he thinks coppercoat costs too much.
 
   / Flipped my L48 Kubota #146  
Mine are on the dash. Most are pull buttons. On one the hand throttle has an extended stop position.

I would not have known where mine was or that it even existed without reading about it here on TBN.

Sent from my iPhone 2.0 using TractorByNet
 
   / Flipped my L48 Kubota #147  
It's easy to think one could kill the air to a Diesel engine after it has flipped over but in the heat of the moment things are happening fast and finding the air intake or manual fuel shutoff can be a daunting task when you are upside down.

I think a quicker way to kill the engine would be simply to plug the exhaust system as most are accessible easier than the intake. A pair of gloves or any way to try to tightly plug the exhaust. If the system is tight enough it should work.

Maybe practice it a few times on your machine to see if you can stall the engine at full revs.

Fred, hoping never to tip over.
 
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   / Flipped my L48 Kubota #148  
driveway, are the head bolts stretch bolts? How many times can you reuse them?
 
   / Flipped my L48 Kubota #149  
if it's laying on the side of the air cleaner and intake manifold, it may be difficult.

A large ball valve in the intake might be good for any diesels running around escaping fuel gas ( lp, methane, etc.. )
 
   / Flipped my L48 Kubota
  • Thread Starter
#150  
How does one cut off the fuel supply on a tractor? I thought shutting the key off would of done that.

You would think that. And that's what i thought. But turning the key off did not work. Luckily, the L-48 has a manual fuel shut off on the filter head so you can turn the fuel off while changing the filter.
 

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