550 miles of this:
And temps between -6 and -15 will sure let you know what your maintenance program is right. No time to be sloppy or cheap. A breakdown in this weather could be fatal.
50/50 fuel, Power Service and a properly maintained air system will keep you going. Webasto ran for about 20 hrs this trip, slept nice and warm the whole trip.
Preventative maintenance sure pays for itself!