Although using a wide variety of chassis frames for each vehicle, the 8000/Transtar is produced with the same cab as the International DuraStar (with which it shares a larger version of its grille), the ProStar, WorkStar, LoneStar, and the discontinued TerraStar and XT truck lines.
The heavier-duty 8600 model has a wheelbase from , is powered by either a Caterpillar or Cummins diesel.