GM HD Trucks Many with AWD instead of 4WD
Where snow and mud isn't an issue, you can have a 4X2 truck as your tow vehicle, but here in the Northeast, 4X4 trucks are the norm. Now GM is offering AWD instead of 4WD in many of their HD trucks. A...
Forum Discussion
Thermoguy wrote:
This is OK and a nice piece of mind, but a truck needs a true 4x4 transfer case.
But...it is a true 4x4 transfercase.
It's like an evolution of the full-time 4x4 transfercases, with the benefit of only engaging the front axle when it slips via computer controlled clutches, rather then spinning them all the time via a viscous coupler or center differential.
Auto=full time 4x4
2H=2WD
4H=4 Lock or 4H
4L=4L
