THE BEST USED SEMI-TRUCKS & SEMI-TRAILERS ON THE ROAD TODAY Pedigree is the exclusive dealer of Prime Inc.'s fleet maintained, 1 owner, 18 wheelers, reefer trailers, flatbed trailers & tanker trailers. When you buy a Pedigree big rig or tractor trailer, you get the highest quality heavy duty equipment in trucking. Every semi truck & trailer we sell comes with lifetime service records showing all scheduled maintenance completed on time. That's what we mean when we say "Know Your Pedigree"!