Designed for utility, horse/livestock, cargo, and construction trailer applications, BULLDOG Collar-Lok Heavy Duty Couplers are the strongest in the industry. The BULLDOG design features the only automatic and continuously tight ball fit in the industry. A variety of coupler styles, tongue mounts, and latches allow configurations to match virtually any trailer. Adjustable couplers assure level operation for trailers when pulled by a variety of different vehicles.

• Quick and easy to engage
• Strong and secure on the road
• Patented Wedge-Latch ball clamp design
• Quick to hook up and disconnect
• In compliance with SAE standard J684