Measures to combat a runaway diesel engine

I have seen this before on a Dutz engine. Had a diff cooling pump running of the accessory drive on the engine, shaft seal failed on pump filling sump with oil. Had a young fitter running around like a headless chook. It was a brand new experimental machine. Ended up self destructing.
All of our machines underground have a strangler valve, which is to do what you are trying to achieve. Cheap way is to get a large ball valve and fit to inlet.Mark

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Originally Posted by uninformed

maybe on a normal diesel....problem is not fuel in most of these cases. Turning the ignition off is shutting the fuel pump off. Its the fact they are now self fueling off excess oil or oil dilution etc. So the only way in my mind is to suffercate it. ie No air/oxygen.

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I posted after reading only the first page, and page 7 which was the lasyt page, last night, as I had to leave the internet. I did not realise that these engines running out of control was due to them running on crankcase fumes orsump oil when I posted my OPPS post. Today after reading the rest of this thread I have realised my mistake.

Guess it is too late to deleat my post now, so my apologies.