M125X Kuboda, Diesel Tech or anyone

J. Schwiebert

Well-known Member
Complaint is tractor acts like it runs out of fuel. Injection pump is a Bosch look-a-like. So would transfer pump pressure be close to 20PSI? Fuel also heats up quickly(?) Running out of a separate tank returning it to another tank. Fuel heats up to over 110 degrees real quick! SUGGESTIONS! Thanks. J.
 
Possibly a failing fuel shut off solenoid. I had an M6800 just about drive me crazy until I figured it out. I could hear the solenoid hold open when I turned on the switch, what I could not hear is when it decided it was tired and closed again.
 
The only problem I've ever had with my M125X was the fuel shutoff solenoid for what it's worth. I moved to my third one within a year of it being new, been fine ever since.
 
Pete is more than likely right , the fuel solenoid . Now the why could be just low voltage letting the plunger go forward or defective coil. What you have there is actually two little magnets. The first one is activated when you go to crank position then the second one called the hold in coil is furnished power from the ON position of the switch. Most times when the hold on coil goes it just fails completely but have seen some that would drop back to almost closed. Not sure but forcing the fuel thru that small opening might cause heat but actually I have noticed the return fuel on all was something like 20 degrees more than tank side temp.
 

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