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Strongest in the industry

Collar-Lok Coupler

Designed for utility, horse/livestock, cargo, and construction trailer applications.
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Top Product

Fifth Wheel Jack

Quickly and easily raises, levels and supports your fifth-wheel trailer or RV with this powerful pair of jacks.
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Aftermarket

2022 Catalog Flipbook

Check out this year's new digital flipbook.
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Featured Products
PN 028287 / Collar‑Lok™ A‑Frame Coupler, 2 in. Diameter, 7,000 lbs. Capacity Quickview
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PN 0289500300 / Gooseneck Coupler, 2‑5/16 in. Diameter, 30,000 lbs. Capacity, Round Quickview
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PN 1289140300 / BX1® Gooseneck Coupler, 2‑5/16 in. Diameter, 30,000 lbs. Capacity, Square Quickview
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PN 155032 / Round Trailer Jack, A‑Frame, 5,000 lbs. Lift Capacity, Top Wind, Bolt‑On, 15 in. Travel Quickview
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PN 182800 / HD Square Trailer Jack, 12,000 lbs. Support Capacity, Side Wind, 12‑1/2 in. Travel, No Handle Quickview
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PN 190754 / Square Trailer Jack, No Mount, 8,000 lbs. Support Capacity, Side Wind, Weld‑On, 15 in. Travel Quickview
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PN 500199 / Powered Trailer Jack, A‑Frame, 4,000 lbs. Lift Capacity, Bolt‑On, 22 in. Travel Quickview
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PN 7033433 / Farm Jack, 7,000 lbs. Lift Capacity, 48 in. Travel Quickview
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New Videos
Installation | BULLDOG® 4K A-Frame Powered Jack 5:46
Installation | BULLDOG® 4K A-Frame Powered Jack
Installation | BULLDOG® 3,500lb. A-Frame Powered Jack 4:55
Installation | BULLDOG® 3,500lb. A-Frame Powered Jack
BULLDOG® Velocity Series™ High Speed Jack 0:24
BULLDOG® Velocity Series™ High Speed Jack
BULLDOG® Velocity™ Series High Speed Jack 1:30
BULLDOG® Velocity™ Series High Speed Jack
BULLDOG® Velocity Series™ High Speed Jack | Features & Benefits 2:22
BULLDOG® Velocity Series™ High Speed Jack | Features &am ...
How-To | Servicing Drive Screw in BULLDOG® Heavy Duty Square Jacks 4:03
How-To | Servicing Drive Screw in BULLDOG® Heavy Duty Sq ...
How-To | Replacing Bevel Gears in a BULLDOG® Square Jack 3:07
How-To | Replacing Bevel Gears in a BULLDOG® Square Jack
How-To | Maintaining BULLDOG® Square Tube Jack 2:39
How-To | Maintaining BULLDOG® Square Tube Jack

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Monday - Friday 8:00am - 6:00pm EST

800-632-3290

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Technical SupportHaving Trouble?

Technical Support is available
Monday - Friday 9:00am - 5:30pm EST

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