NPS Definition of HC 4wd
Posted by L.J.J.B. on December 14, 2003 at 19:01:42:
In Reply to: High clearance posted by Michael on December 14, 2003 at 18:09:02:
High Clearance Four-Wheel-Drive (4WD) Vehicles
A high clearance 4WD vehicle is defined as a SUV or truck type vehicle, with at least 15 inch tire rims or more, with a low gear transfer case, designed for heavier type use than a standard passenger vehicle, with at least 8 inches of clearance or more from the lowest point of the frame, body, suspension, or differential, to the ground, also including a means to mechanically power both, front and real wheels at the same time.