Reference · Body
Clearance, angles, and tires
Approach, departure, breakover, and tire load range are capability facts. They also change towing.
Ground clearance and the three angles describe what the truck can drive over when it is not towing. A lifted off-road trim often uses a tire and a final drive that the towing chart rates separately, and usually lower.
Tires have a load index that has to cover the axle rating. The door sticker names the tire the GVWR assumes. A lighter all-terrain tire can be the reason a package loses payload or trailer rating.
Angles and clearance will be transcribed from specifications when a source states them for that model year. They will not be copied from the on-road version of the same nameplate.