[UnionPacific]

5 years, nothing. Start it up. make sure the seacock is open.

 

[UnionPacific]

spray some WD-40 into the intake, but not thru the air filter. Take it out.
Then it will run on the WD-40 and not the starter. The air will work its way out quickly if the engine is running at 1200rpm. Also make sure to open the throttle all the way.

 

[UnionPacific]

It may be self priming, but it's not self bleeding! The smallest air bubble in the injection pump will stop the engine running. I take it that you bled each fuel filter when changing them, but did you bleed at the injection pump? This is a crucial step. I have never been able to change the filters, no matter how carefully I bleed them, without having to bleed at the injection pump. A little air always gets through.

If the fuel lift pump is electric, and working, the injection pump will have fuel