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In this video I explain why the Cummins 12 Valve is one of the easiest engines to swap. I show every connection: the starter solenoid ignition power wire, the main starter power wire, the fuel supply line, the return line from the injection pump, how to hook fuel up to the lift pump, how the throttle is controlled, and how the shutoff lever stops the engine. Once you see how simple these systems are, you’ll understand why the 6BT Cummins 12 Valve is the king of simple engine swaps. #Cummins #12V

I am showing how a 6BT 12 valve Cummins can run with zero electricity. In this clip I use an electric starter just to spin it over but the engine itself does not need any power to stay alive. A twelve valve is a true mechanical diesel. You can run it with a kinetic starter or an air starter if you want absolutely no electrical system at all. I start it up, work the mechanical throttle lever by hand, then use the shutdown lever to turn off fuel flow to the rack. Pure mechanical engineering. Simpl