Your engine does NOT have a low oil level switch.

Do you even get a click when you "manipulate" the seat switch with the key ON? The Operator Presence Relay should click ON/OFF when you do this.

IF totally "dead", I'd surmise the alternator shorted out, blowing the fuse. Thus no power to the fuel solenoid.
This engine (KOHLER) has a "Smart Spark" system which also requires 12V to operate.

At least check the fuse to see if it's blown.

Yes I do get a slight klick to the starter, some times as of yesterday after noon. I had not tried to restart the tractor today untill I received your follow up on this problem, I just returned from trying to restart the thing and it started right up like nothing ever happened. What gives here, to much weight, the oil was right up to the full mark, and I know it didn't over heat. Any solutions or ideas so as I can gard against this happening again will be greatly appreciated. I need this tractor for alot of hauling. Thanks for your help.
skibo

"Slight click"?
Typically, a bad connection in the crank circuit could cause this to happen intermittently.
Check the heavy battery cable connections and engine mounting bolts. The "ground" side of the circuit is just as important as the "positive" side.

Thanks for the reply I will put the tractor on the jack stands tomorrow to check things over. Again thanks.
skibo