That is good news. I'm used to dealing with tractors that have been sitting for years, so if they turn over, your half way there.

What do you mean by the starter spins off??

Glow plugs.....hard to say how the people hooked them up, but you will likely need them to work to get it to start. Is there just a push button switch going to a solenoid that powers them? Probably. Quick check- Test for power to the bus bar, metel strip that connects all the glow plugs together, when you push the button. If no power, you need to trace back the system and see where the fault is. To test each individual plug, take off the bus bar to isolate each plug. Use a voltmeter to check the resistance between the threaded post the hooks to the bus bar and ground. Should be about 2 or 3 ohm's I think. Should have something anyway. Infinite, out of limits, etc indicates an open circuit = bad plug.

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