Here's something for fans of the old TV show:
A compliation video of the jumps done by the stunt truck.
I say "the" because you are looking at
one single truck for the whole video.
After Dukes, Knight Rider, A-Team, Hardcastle . . . the studio mechanics were tired of replacing vehicles after every jump scene. With "The Fall Guy", they finally had a star-car that was shaped for the job.
The regular trucks were still being totaled from jumps. So they asked the producers for money to try building a modified fly-able version. The producers declined, thinking it would never work. The mechanics built it anyway. It was cobbled together out of pieces of the other wrecked trucks.
The main trick (besides the obvious stuff like a rollage and strong shocks) is that the engine is moved down under the center of the truck. It's visible in the videos. That made the truck more balanced in the air. And it spread the load out better between the front & rear axles when it hit the ground. They also eliminiated the 4WD and braced the axle housings.
As the video shows, they kept gradually trying bigger jumps with it, and the truck just kept on surviving. Some stuff broke but it was always repairable. It's still around today.