Agriculture and Farm Equipment
Agriculture and Farm Equipment Repair Questions? Ask a Mechanic.
First check the air cleaner to make sure it is clean.
After that it sounds like some of the dirt got into the Injector pump.
Try filling the fuel filter with automatic transmission fluid (high detergent ), then start the tractor use carb cleaner (it has a lubricant that starting fluid coesn't) to keep running until ATF is in injection pump.
Did you try this?