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Pushed a little snow with it the other day, started fine and let warm up for 15 minutes. Went and pushed the one snowbank that blew into the yard, took maybe 10 minutes, tractor ran fine. Heading back to the shop it started to make a vibrating sound, at first thought it sounded like a panel or something vibrating on the fuel pump side of the tractor. Parked it beside the shop and got my brother to have a look while it sped it up and down. Vibration sound seemed to be coming from the fuel pump possibly? While standing beside it the tractor just died, and wouldn't start up again. Haven't looked at anything yet so can't rule anything out, just thought I would pick some brains beforehand as to some possibilities. Finally got the heater working, now this! Ever since we got this tractor we have had fairly constant little grimlins with every system on it, a friend of dads had the same tractor and he got rid of his because of all the little things, and by reading reviews of this tractor, they can be fairly problematic. Mind you, it came from a cattle farmer who might have had a hate on for maintenance.
 

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Does it have a separate lift pump on it? We have a NH that when the lift pump goes it will make a strange kinda noise then quit. Not enough fuel getting to injection pump and engine will half miss. We keep an extra on hand cause it only seems to last a couple of years.
 

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It does have a lift pump, but like I said haven't looked at anything yet. Wondered about the fuel gelling after it quit but know it has ran in colder weather this winter, but just remembered now that it was sitting in a heated shop before it was used last time. Hopefully just a simple fix of plugged line or something along those lines. Wasn't sure if starving for fuel would make the pump sound like that, but like you said it can.
 

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Check the lift pump on the right side of the engine. If you manually stroke and can't feel it building pressure it's probably quit or weak. You can try removing the line going into the injection pump just above where all the injector lines come off the pump and try cranking the motor over and see if fuel will flow through. There is the chance that your fuel filters gelled and shut you down depending on when you changed them last.
 
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