Trailer Jacks
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- Bulldog®SWQ 183 Series Direct Weld 2-Speed Square Jack (183816)Universal SWQ 183 Series Direct Weld 2-Speed Jack by Bulldog®. Spring Return. Shape: Square. Pin to Front. Lift Capacity: 12000 lbs. Swivel Mount Type: Sidewind. Limited 5 Years Warranty. Planetary Gearbox, Sidewind, 12000 lbs Capacity....State of the art 2 speed gearbox with power and speed for the most effective and efficient jack at all loadsDesigned for today's standard agricultural, construction and industrial trailer applications$369.96
- Bulldog®SWQ FL-LX 2-Speed Square Heavy Duty Jack (1823050383)Universal SWQ FL-LX 2-Speed Heavy Duty Jack by Bulldog®. Weld-On Mount. Shape: Square. Retracted Height: 31.7". Lift Capacity: 45000 lbs. Travel Length: 17". Extended: 48.7". Limited 5 Years Warranty. A jack is simply a necessity for...Competitive Cranking ratios: Low speed gear 27.3"High speed gear 4.5"$432.56
- Bulldog®SWS 158 Series Tubular Swivel Standard Round Jack (158151CC)Universal SWS 158 Series Tubular Swivel Standard Round Jack (158151CC) by Bulldog®. Lift Capacity: 2000 lbs. Swivel Mount Type: Sidewind. Travel Length: 15". Package Type: Clamshell. Lifetime warranty. Bulldog round jacks are recognized...A-frame or straight tongue applicationsPowered versions equipped with power-off emergency crank socket$107.47
- Bulldog®SWS 158 Series Tubular Swivel Standard Round Jack (158151)Universal SWS 158 Series Tubular Swivel Standard Round Jack (158151) by Bulldog®. Lift Capacity: 2000 lbs. Swivel Mount Type: Sidewind. Travel Length: 15". Package Type: Bulk. Limited 5 Years Warranty. Bulldog round jacks are recognized...A-frame or straight tongue applicationsPowered versions equipped with power-off emergency crank socket$122.15
- Bulldog®SWS 158 Series Tubular Swivel Standard Round Jack (158109)Universal SWS 158 Series Tubular Swivel Standard Round Jack (158109) by Bulldog®. Lift Capacity: 2000 lbs. Swivel Mount Type: Sidewind. Travel Length: 10". Package Type: Bulk. Limited 5 Years Warranty. Bulldog round jacks are recognized...A-frame or straight tongue applicationsPowered versions equipped with power-off emergency crank socket$108.17
- Bulldog®SWS 178 Series Tubular Swivel Standard Round Jack (178201CC)Universal SWS 178 Series Tubular Swivel Standard Round Jack (178201CC) by Bulldog®. Lift Capacity: 5000 lbs. Swivel Mount Type: Sidewind. Travel Length: 10". Package Type: Clamshell. Lifetime warranty. Bulldog round jacks are recognized...A-frame or straight tongue applicationsPowered versions equipped with power-off emergency crank socket$106.21
- Bulldog®SWS 178 Series Tubular Swivel Standard Round Jack (178201)Universal SWS 178 Series Tubular Swivel Standard Round Jack (178201) by Bulldog®. Lift Capacity: 5000 lbs. Swivel Mount Type: Sidewind. Travel Length: 10". Package Type: Bulk. Limited 5 Years Warranty. Bulldog round jacks are recognized...A-frame or straight tongue applicationsPowered versions equipped with power-off emergency crank socket$120.74
- Bulldog®SWS 198 Series Tubular Swivel Standard Round Jack (198150)Universal SWS 198 Series Tubular Swivel Standard Jack by Bulldog®. Shape: Round. Lift Capacity: 7000 lbs. Swivel Mount Type: Sidewind. Travel Length: 10". Limited 5 Years Warranty. Bulldog round jacks are recognized as the industry...A-frame or straight tongue applicationsPowered versions equipped with power-off emergency crank socket$142.04
- Bulldog®Spring Return Direct Weld Square Jack with Crank (182804)Universal Spring Return Direct Weld Jack with Crank by Bulldog®. Pin to the Side. Shape: Square. Spring Return. Lift Capacity: 12000 lbs. Swivel Mount Type: Sidewind. Travel Length: 12-1/2". Limited 5 Years Warranty. Strong, durable,...4" square tubing, 7-gauge superior alloy steelPainted outer tube, and drop leg$244.75
- Bulldog®Swivel Retaining Ring (500241)Universal Swivel Retaining Ring by Bulldog®. Package Type: Clam. Limited 5 Years Warranty. One-stop shop for all of your trailering/towing accessories and replacement parts. This top-grade product is expertly made in compliance with...Genuine Bulldog replacement part[:os:]5/8" pull pin[:os:]4-1/4" long[:os:]With chain[:os:]with cotter pin[:os:]Series: 190, Crown 7000 lbs.[:os:]3 year limited warranty$9.49
- Bulldog®Swivel Round Jack with Base (151109)Universal Swivel Jack with Base by Bulldog®. Shape: Round. Lift Capacity: 2000 lbs. Swivel Mount Type: Sidewind. Travel Length: 10". Five-year warranty. Bulldog round jacks are recognized as the industry standard by leading...A-frame or straight tongue applicationsPowered versions equipped with power-off emergency crank socket$108.01
- Bulldog®TWL 155 HD Series A-Frame Standard Round Jack (155032)Universal TWL 155 HD Series A-Frame Standard Round Jack (155032) by Bulldog®. With 10.15" Bracket to Ground Retracted. Lift Capacity: 5000 lbs. Swivel Mount Type: Topwind. Travel Length: 15". Package Type: Bulk. Limited 5 Years...A-frame or straight tongue applicationsPowered versions equipped with power-off emergency crank socket$67.20
- Bulldog®TWL 155 Series A-Frame Standard Round Jack (155028)Universal TWL 155 Series A-Frame Standard Round Jack (155028) by Bulldog®. With 8.4" Bracket to Ground Retracted. Lift Capacity: 2000 lbs. Swivel Mount Type: Topwind. Travel Length: 15". Clearance: 13". Extended: 23.4". Limited 5 Years...A-frame or straight tongue applicationsPowered versions equipped with power-off emergency crank socket$78.26
- Bulldog®TWL 155 Series A-Frame Standard Round Jack (155022)Universal TWL 155 Series A-Frame Standard Round Jack (155022) by Bulldog®. With 8.8" Bracket to Ground Retracted. Lift Capacity: 2000 lbs. Swivel Mount Type: Topwind. Travel Length: 15". Clearance: 12.2". Extended: 23.8". Limited 5...A-frame or straight tongue applicationsPowered versions equipped with power-off emergency crank socket$59.42
- Bulldog®TWL 155X Series A-Frame Standard Round Jack (155033)Universal TWL 155X Series A-Frame Standard Jack by Bulldog®. Shape: Round. Lift Capacity: 2000 lbs. Swivel Mount Type: Topwind. Travel Length: 15". Limited 5 Years Warranty. 2000 lbs Capacity. Clearance: 16". Bulldog round jacks are...A-frame or straight tongue applicationsPowered versions equipped with power-off emergency crank socket$79.21
- Bulldog®TWL 175 Series A-Frame Standard Round Jack (1750290317)Universal TWL 175 Series A-Frame Standard Round Jack (1750290317) by Bulldog®. Swivel Mount Type: Topwind. Limited 5 Years Warranty. Topwind, 5000 lbs Capacity. Bulldog round jacks are recognized as the industry standard by leading...A-frame or straight tongue applicationsPowered versions equipped with power-off emergency crank socket$75.26
- Bulldog®TWL 175 Series A-Frame Standard Round Jack (1750290301)Universal TWL 175 Series A-Frame Standard Round Jack (1750290301) by Bulldog®. Finish: Zinc. Lift Capacity: 5000 lbs. Swivel Mount Type: Topwind. Travel Length: 15". Limited 5 Years Warranty. Clear Zinc Finish. Bulldog round jacks are...A-frame or straight tongue applicationsPowered versions equipped with power-off emergency crank socket$84.14
- Bulldog®TWL 178 Series Tubular Swivel Standard Round Jack (178151)Universal TWL 178 Series Tubular Swivel Standard Round Jack by Bulldog®. Lift Capacity: 5000 lbs. Swivel Mount Type: Topwind. Travel Length: 15". Package Type: Bulk. Limited 5 Years Warranty. Bulldog round jacks are recognized as the...A-frame or straight tongue applicationsPowered versions equipped with power-off emergency crank socket$121.84
- Bulldog®TWL 190 Series Tubular Swivel Mount Square Jack (190706)Universal TWL 190 Series Tubular Swivel Mount Square Jack (190706) by Bulldog®. Lift Capacity: 8000 lbs. Swivel Mount Type: Topwind. Travel Length: 15". Leg Type: Fixed. Clearance: 10.25". Limited 5 Years Warranty. 12.16" Bracket to...A-frame or straight tongue applicationsBolt-on versions include all necessary mounting hardware$150.60
- Bulldog®TWL 190 Series Tubular Swivel Mount Square Jack (190705)Universal TWL 190 Series Tubular Swivel Mount Square Jack (190705) by Bulldog®. Lift Capacity: 8000 lbs. Swivel Mount Type: Topwind. Travel Length: 10". Leg Type: Fixed. Clearance: 4.25". Limited 5 Years Warranty. 11.41" Bracket to...A-frame or straight tongue applicationsBolt-on versions include all necessary mounting hardware$148.23
- Bulldog®TWL 190 Series Tubular Swivel Mount Square Jack (190724)Universal TWL 190 Series Tubular Swivel Mount Square Jack (190724) by Bulldog®. With Pin and Chain. Without Mating Mount. Lift Capacity: 8000 lbs. Swivel Mount Type: Topwind. Travel Length: 15". Leg Type: Fixed. Clearance: 7.00"....A-frame or straight tongue applicationsBolt-on versions include all necessary mounting hardware$159.44
- Bulldog®TWL 195 Series A-Frame Square Jack (195321)Universal TWL 195 Series A-Frame Jack by Bulldog®. Shape: Square. Lift Capacity: 5000 lbs. Swivel Mount Type: Topwind. Leg Type: Fixed. Limited 5 Years Warranty. 15" Travel, 5000 lbs Capacity. 7.40" Bracket to Ground Retracted. Square...Ideal to make trailer towing safer and easierMade from the highest-quality materials to last for years to come$87.57
- Bulldog®TWL 195 Series A-Frame Square Jack (195318)Universal TWL 195 Series A-Frame Square Jack by Bulldog®. Swivel Mount Type: Topwind. Leg Type: Drop. Limited 5 Years Warranty. 15" Travel, Topwind, 5000 lbs Capacity. 7.90" Bracket to Ground Retracted. Compared to round jacks of...A-frame or straight tongue applicationsBolt-on versions include all necessary mounting hardware$112.66
- Bulldog®TWL 195 Series DL-DXQ Direct Weld Square Jack (195304)Universal TWL 195 Series DL-DXQ Direct Weld Square Jack by Bulldog®. Retracted Height: 22.6". Lift Capacity: 5000 lbs. Swivel Mount Type: Topwind. Travel Length: 15". Extended: 51.2". Limited 5 Years Warranty. 15" Travel, 5000 lbs...A-frame or straight tongue applicationsBolt-on versions include all necessary mounting hardware$110.22
- Bulldog®TWL 195 Series Tubular Swivel Round Mount Square Jack (195306)Universal TWL 195 Series Tubular Swivel Round Mount Square Jack by Bulldog®. Lift Capacity: 5000 lbs. Swivel Mount Type: Topwind. Limited 5 Years Warranty. 15" Travel, 5000 lbs Capacity. 15.1" Bracket to Ground Retracted, Round Mount,...A-frame or straight tongue applicationsBolt-on versions include all necessary mounting hardware$109.38
- Bulldog®TWL 195 Series Tubular Swivel Square Mount Jack (195312)Universal TWL 195 Series Tubular Swivel Square Mount Jack by Bulldog®. Lift Capacity: 5000 lbs. Swivel Mount Type: Topwind. Limited 5 Years Warranty. 15" Travel, 5000 lbs Capacity. 15.1" Bracket to Ground Retracted, Square Mount,...A-frame or straight tongue applicationsBolt-on versions include all necessary mounting hardware$124.51
- Bulldog®TWL 198 Series Tubular Swivel Standard Round Jack (198200)Universal TWL 198 Series Tubular Swivel Standard Jack by Bulldog®. Shape: Round. Lift Capacity: 7000 lbs. Swivel Mount Type: Topwind. Travel Length: 15". Limited 5 Years Warranty. Bulldog round jacks are recognized as the industry...A-frame or straight tongue applicationsPowered versions equipped with power-off emergency crank socket$150.60
- Bulldog®TWQ 180 Series Non-Spring Return Direct Weld Square Jack (182304)Universal TWQ 180 Series Non-Spring Return Direct Weld Square Jack (182304) by Bulldog®. Non-Spring Return. Lift Capacity: 12000 lbs. Swivel Mount Type: Topwind. Travel Length: 12-1/2". Limited 5 Years Warranty. With Crank. Strong,...4" square tubing, 7-gauge superior alloy steelPainted outer tube, and drop leg$239.05
- Bulldog®TWQ 180 Series Non-Spring Return Direct Weld Square Jack (182300)Universal TWQ 180 Series Non-Spring Return Direct Weld Square Jack (182300) by Bulldog®. Non-Spring Return. Lift Capacity: 12000 lbs. Swivel Mount Type: Topwind. Travel Length: 12-1/2". Limited 5 Years Warranty. Without Crank....4" square tubing, 7-gauge superior alloy steelPainted outer tube, and drop leg$199.22
- Bulldog®TWS 151 Series Weld-On Retaining Ring Swivel Standard Round Jack (151421)Universal TWS 151 Series Weld-On Retaining Ring Swivel Standard Round Jack (151421) by Bulldog®. Lift Capacity: 2000 lbs. Swivel Mount Type: Topwind. Travel Length: 15". Package Type: Bulk. Limited 5 Years Warranty. Bulldog round jacks...A-frame or straight tongue applicationsPowered versions equipped with power-off emergency crank socket$93.94
Every trailer needs a jack at the tongue to support the trailer when not connected to the vehicle and raise or lower the tongue when connecting to the trailer hitch. Depending on the type of trailer and where you park, you may need additional jacks for support, leveling and stabilization. From small utility trailers to big 5th wheels and gooseneck trailers, we have all your trailer jack needs, including tongue jacks in a wide range of capacities, heights and styles; landing gear and heavy-duty jacks for RVs; stabilizing, leveling, and support jacks; and jack replacement parts and accessories.
The typical tongue jack has a hand crank for raising and lowering, and a caster wheel or support foot where the jack meets the ground. When selecting a jack the trailer tongue weight and height must be considered in order to obtain a jack with the right capacity and length. The jack capacity must meet or exceed the tongue weight, and the extended height of the jack must allow the coupler to be raised over the ball, yet retract enough to clear the ground when towing. Our selection of jacks for receiver hitch trailers includes A-frame, side-mount, pipe-mount and drop-leg jacks.
A-frame jacks bolt or weld behind the coupler on A-frame trailers. We offer jacks that manually crank from the side or top, or consider one of our 12V electric jacks that raise or lower the tongue effortlessly with the touch of a button. Side-mount jacks bolt or weld to the side of straight tongue or A-frame trailers and many can swivel at the mounting point so they are parallel with the trailer frame for ample towing clearance. Pipe-mount jacks are a type of swivel jack that pivots in a weld-on section of pipe. Many square jacks have a drop-leg feature that saves cranking time and effort to raise the trailer. Marine jacks have heavy-duty construction and a zinc finish to withstand repeated immersion in water and resist corrosion.
It’s not a good idea to leave a heavily loaded trailer sitting on the tires in one spot for a long time, and if you have an RV or work trailer, you’ll want additional stability when parked. You can’t always get the best place to park your trailer and if it’s on an incline and you’re going to be inside of it or the cargo requires it, you’ll need to level the trailer. We have jacks to provide support, stability, and to level the trailer, so no matter where you roam you can be prepared for the conditions and the landscape. Our landing gear jacks will help stabilize and support your RV and take some of the load off of the tires, and they’re available in manual crank and 12V powered models. We also have tripod jacks to provide support at the 5th wheel kingpin or gooseneck hitch.
We have scissors jacks on our digital shelves that can extend to 30” and hold up to 5000 lbs., and these also come in manual and electric versions. Each has a large base so they work well on both hard and soft ground, however we can also supply you with jack pads if you need more stability. We also offer a variety of both manual and electric stabilizers and jacks for trailers including models designed specifically for 5th wheel and gooseneck trailers. These include adjustable jacks that telescope or retract and extend. With these jacks securely attached, you won’t have to worry about your trailer tipping when you’re inside, loading or unloading.
You may already have the jacks you want on your trailer, but they may not work as well as they once did. Most trailers spend the majority of their time sitting outside exposed to the elements, and this can result in corrosion and functional deterioration. But there’s no need to discard that equipment because we have the replacement parts to make them as good as new. Browse our selection and you’ll find an ample supply of casters, foot pads, bearings, gear kits, tube caps and crank handles, as well as service kits and miscellaneous parts. We also have upgrades available including an electric powered drive kit for heavy-duty drop-leg jacks. This kit can be used to power two jacks and comes with remote switch box, circuit breaker, and weather resistant cover.
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Brake Controllers
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