glad hand
- Quick-release couplings, attached to the tractor cab, that connect the tractor brake hoses to the trailer
- These couplings open the supply line when twisted together and close the line when twisted apart to prevent the loss of air pressure.
- Part of Speech: noun
- Industry/Domain: Automotive
- Category: Automobile
0
Creator
- Johna04
-
(Bronze) 252 points - 100% positive feedback
(Detroit - MI, United States)
