When the video started I was asking myself why there wasn't a fuel return back to the tank. I am a first time Cummins owner. My 300 Formula Big Cam ( Sounds sexy, huh?) fired right off after being parked for 6 years. No smoke, no leaks, starts immediately. Exactly the opposite of the 3116 Cat in a track loader I had.
Your Engine Has A Perfect RPM--- I Like this Engine Because It Is Not Rattling Around Inside the Crankcase: The Oil Sump As Indicated a has A Bearing Engine Life and Was In Engine Cooling And Accumullating It Cool Air Pressure Also.
Get a screw driver and touch the big stud on the starter solenoid the stud with the battery cable to the small stud that has a wire going into the truck
A couple of reasons - one, diesels don't make much heat at idle. Another is because there's a lot of thermal mass to heat up! These suckers weigh somewhere around 2000 pounds, so all that metal takes a bit to get hot.