L3901 Complete Power Loss after 30 mins with PTO operation

   / L3901 Complete Power Loss after 30 mins with PTO operation #12  
If it over-heated a half dozen times to the point of stalling each time, wouldn't the damage to the engine start to be noticeable? I would expect it to at least run oddly. Just playing devil's advocate.

Could it be as simple as a seat switch that is making partial contact?

Very interested in seeing what happens here.

BTW - I mow a dozen or so properties with my L2501 and 5ft brush-hog. Heavy grass, STEEP hills and summer temps. No issues with overheating. However I have had issues with the little switch and PTO cable sticking. But that usually leaves me with either a no-start or the PTO is stuck on.
Depends on if the engine killed itself or a sensor shut it down.
 
   / L3901 Complete Power Loss after 30 mins with PTO operation #13  
No re.sponse from op? Curious.
 
   / L3901 Complete Power Loss after 30 mins with PTO operation #14  
Problem is. Kubota motors are notorious for blowing head gaskets when overheated. Actually the weak point in an otherwise very stout motor and if so, will require a head removal and a check for flatness plus a new OEM head gasket.
 

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