It might not seem like you need it, but shit man if you have the option and nothing else is working, I say why not? Even my sister in law's cummins has trouble sometimes...at her old place the barn was downhill from the house, and when we were loading the hay onto the trailer to move it out, she had to put it in 4 low to get that ***** up the hill. Sometimes you just need the extra torque, no shame in using it.
