Replace the battery. Drain as much of the fuel as possible from tank, lines, filter; replace the fuel filter. Put in some fresh fuel; use some diesel fuel conditioner for the first few tanks of fuel. Change the engine oil and filter. Replace the coolant. Bleed the air from the fuel system. Loosen the high pressure injector lines at the injector nozzles, move throttle to fast and crank the engine till new fuel is pumped through the system. Reduce throttle to half, tighten the injector lines and try to start the tractor. If you can't get fuel to flow to the nozzles, the rack in the injection pump may be stuck in the shut off position; rapidly moving the throttle lever from idle to full speed may free it. You might need a mechanic who understands injection pumps to remove the side cover and free the rack. Most likely the clutch will be frozen to the flywheel. It may be necessary to split the tractor and remove the clutch pressure plate to free the clutch disc from the flywheel. A wood block was provided with the tractor to insert so it held the clutch pedal depressed during long term storage. If it was in place, the clutch may be OK. Replace the transmission rear axle oil.
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