Tips for winter.
Block heater
Diesel #1
Mobil 1 syn. oil.
Anti gel treatment or fuel treatment.
Good starter, Die Hard International Battery,fresh glow plugs and no corrorsion on any of the cables.
May want to use WD-40,or Ether for starting fluid.{A little dab will do you.}
Spare fuel filters.
If the fuel gels you are in a world of hirt.
Tell you friend to check with Big Rig guys that operate up there they will have it dialed. And will probable say "don't turn it off."
Charlie