Bulldog 12,000 lbs. Square Trailer Jack Sidewind 12.5" Lift Drop Leg Spring Return w/ Crank

  • Bulldog 12,000 lbs. Square Trailer Jack Sidewind 12.5" Lift Drop Leg Spring Return w/ Crank

Strong, durable, and sturdy, the BULLDOG 12,000 lbs. support capacity square jack is the BIG reason why BULLDOG has carried the load in agricultural,  construction, heavy-duty utility, and horse/livestock trailer industries since 1923. All BULLDOG 4" square jacks are rated for 12,000 lbs. support capacity and 10,000 lbs. lift capacity. The strength of the product, plus the wide variety of styles, makes this jack the best choice in its product class.

  • 4" square tubing, 7-gauge superior alloy steel

  • Painted outer tube, inner tube, and drop leg

  • Drop leg option with 5 positioning holes

  • Easy-access gear box with grease fitting for routine maintenance

  • 12.5" screw travel, 13.5" of additional adjustment with drop leg

  • Painted (with or without labels) or powder paint optional

  • Limited 5-year warranty

  • ASABE Compliant



  • Support Capacity: 12,000 lbs.

  • Lift Capacity: 10,000 lbs.

  • Retracted Bracket Height: 27.4"

  • Extended Bracket Height: 53.6"

  • Travel/Lift: 12.5"

  • This Jack is intended to be welded on directly onto your application

  • Spring Return Drop Leg w/ heavy-duty base

  • Drop Leg offers 13.50" of additional adjustment

  • Drop Leg pull pin is on the side (same side as the handle)

  • Crank included

  • Sidewind model -  1:1.5 gear ratio

  • 4" Tubing width


Two of these Jacks can be used in tandem applications, or for a companion Jack please use part number 182805

Recommended applications: PJ Downeaster Sundowner eby merhow Featherlite CM Kaufman Saratoga Classic Jamco 4 Star Sidekick Hawk Trail-et Sundowner Bri-Mar Big Tex Trails West Forest River Lexington dump construction equipment stock grain cart cherokee Trailerman cORN PRO McLander GatorMade Trailerman Cronkite Elite Boss Stillwater Brooks Bothers Horton

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