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Heavy Duty Trailer Couplers

  • Designed for utility, horse/livestock, cargo, and construction trailer applications, BULLDOG Collar-Lok 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
    • Strong in both static and dynamic loading conditions
    • Hinged ball socket for easy hook up
    • Clear, visual indication of proper closure
    • In compliance with SAE standard J684

Product Compare (0)


Bulldog 12,500 lbs. Heavy Duty Collar-Lok Round Tube Tounge Mount- High Profile Latch- 2B2H-028461

Bulldog 12,500 lbs. Heavy Duty Collar-Lok Round Tube Tounge Mount- High Profile Latch- 2B2H-028461

Designed for utility, horse/livestock, cargo, and construction trailer applications, BULLDOG Collar-..

Ball Size 2-5/16"
Coupler Style 4B Style
Gross Trailer Weight 12,500 lbs
Latches High profile
Model 4B2H
Overall Length 12-3/4"
In Stock

$70.68

Bulldog 5,000 lbs. Square Rect. Straight Channel Heavy Duty Collar-Lok Pin Style Trailer Coupler, 2" Ball 3" Width- 2B4H-028382

Bulldog 5,000 lbs. Square Rect. Straight Channel Heavy Duty Collar-Lok Pin Style Trailer Coupler, 2" Ball 3" Width- 2B4H-028382

Designed for utility, horse/livestock, cargo, and construction trailer applications, BULLDOG Collar-..

Ball Size 2"
Coupler Style 2B Style
Gross Trailer Weight 5,000 lbs
Latches Pin Style
Model 2B4M
Overall Length 16-1/4"
SAE Class III
In Stock

$67.97

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