Related Clues:

• Many-axled vehicle
• It's in it for the long haul
• Weigh station stopper
• "___-Tough" (1977 film)
• Prefinal game
• "Circle" lead-in
• Place for a cab
• Big road rig
• Conductor intro
• Vehicle capable of jackknifing
• Weigh-station stopper
• Half (Prefix)
• Weigh station rig
• Big Mack
• Start for sweet