Tractor died, won’t start.

   / Tractor died, won’t start. #1  

Jeepnford

Gold Member
Joined
Sep 7, 2008
Messages
417
Location
NE Missouri
Tractor
Case DX35
Yesterday I was moving snow with my Case DX35. It died suddenly, just like it was shut off. Now it’s crank, no start. The filter bowl is full of fuel, but I’m thinking since it didn’t even bog down it seems like there could be an electrical problem like a bad fuel shutoff solenoid or something like that. Does this sound plausible, or more likely a plugged filter or something like that? It’s been parked inside at about 40 degrees.
 
   / Tractor died, won’t start. #2  
I agree, probably the solenoid seems like if it was fuel quality it would have acted strange before stopping.
 
   / Tractor died, won’t start. #3  
It could well be fuel related. See if the fuel flows freely from the tank. Sometimes algae or something will build up, preventing enough fuel flow. Be sure your vented fuel tank cap isn't plugged. Clean or replace the fuel filter. Bleed your fuel lines per the operator manual. Check the air filter. Give it a go.
 
   / Tractor died, won’t start. #4  
It could well be fuel related. See if the fuel flows freely from the tank. Sometimes algae or something will build up, preventing enough fuel flow. Be sure your vented fuel tank cap isn't plugged. Clean or replace the fuel filter. Bleed your fuel lines per the operator manual. Check the air filter. Give it a go.
+1
 
   / Tractor died, won’t start. #5  
Yesterday I was moving snow with my Case DX35. It died suddenly, just like it was shut off. Now it’s crank, no start. The filter bowl is full of fuel, but I’m thinking since it didn’t even bog down it seems like there could be an electrical problem like a bad fuel shutoff solenoid or something like that. Does this sound plausible, or more likely a plugged filter or something like that? It’s been parked inside at about 40 degrees.

I think the sudden shut off is a key thing to keep in mind. I would think a fuel issue would give some hint before the tractor shut down.

I had essentially the same thing happen with one of my tractors, but fortunately it was during summer when cutting grass. The tractor stopped immediately, just as if I turned the key off.

In my case, the tractor would start, but immediately shut down when I released the key from the start position. This tractor has a fuel cutoff solenoid, with two coils. One coil pulls the solenoid armature in, to allow the tractor to start. The second coil holds the armature in during normal operation, until the key is turned to the off position. The coil that holds the solenoid in place during run failed.

Not your set up probably, but the message is the same. A failed fuel cutoff solenoid will prevent the tractor from starting, and when it fails it will shut the engine down immediately, just like turning the key to the off position.

If you had no hint of fuel issues before this occurred, I would put my money on the chances the fuel cutoff solenoid failed, or you could have a wiring problem that is preventing voltage from reaching the solenoid, a broken wire or a connector that came loose, for example.
 
   / Tractor died, won’t start. #6  
Was using a borrowed tractor last summer and when I made a sharp turn it died suddenly.
OK, I'm handy, turned out an added wire would get pinched and shorted the main fuse when a sharp turn was made.
I pried the (large) fuse open and was able to force the ends into making contact.
Naturally this was far from home and no tools so only my pocket knife was available.
Whoever installed that wire was certainly no mechanic.
It was the main output 40 amp fuse!

When I got home I lengthened that wire and secured it properly along with a new fuse.

I knew it was electrical due to the sudden shut down.
However I could still move as long as I kept the key in 'start' position which provided a clue.

Maybe it was blind luck, but I made it home.
 
Last edited:
   / Tractor died, won’t start.
  • Thread Starter
#7  
I pulled the filter, it needs replaced so I‘ll do that tomorrow when I get a replacement and start again. Still going to look for possible wiring problems. Found a small mouse nest under construction but no chewed wires. It was parked in a shed but has been moved to the shop for the winter. It really needs used more often.
 
   / Tractor died, won’t start. #8  
Hold the shutoff solenoid open with a piece of wire and see if it starts
 
   / Tractor died, won’t start.
  • Thread Starter
#9  
Hold the shutoff solenoid open with a piece of wire and see if it starts
Did that. Started right up. Swapped solenoids since it has several that are the same. Didn’t help. I’ll still test the solenoid per the manual, but I’m banking on damaged wiring after finding the start of a mouse nest.
 
   / Tractor died, won’t start. #10  
if all else fails, check that the battery cable clamps are still tight ... if they wiggle, everything can stop
 

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