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Bulldog

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Always the correct part
We know our products
Quality Products
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BULLDOG round jacks are recognized as the industry standard by leading agricultrual, commercial, horse, livestock, and other trailer manufacturers. For more than three quarters of a centruy, BULLDOG jacks have been demonstrated to be the most reliable, field-proven jacks on the market.
| BRAND: | BULLDOG |
| PART NUMBER: | 1750290301 |
| WARRANTY: | LIMITED 5 YEAR WARRANTY |
| WEIGHT: | 12 LBS |
| CAPACITY: | 5,000 LBS. LIFT |
| TRAVEL: | 15 IN. |
| RETRACTED: | 10.82 IN. |
| EXTENDED: | 25.82 IN. |
| CLEARANCE: | 10.5 IN. |
| MODEL NUMBER: | TWL 175 |
| HANDLE STYLE: | TOPWIND |
| MATERIAL: | STEEL |
| WHEEL: | NO |
| ATTACHED WHEELS: | NO |
| CYLINDER DIAMETER: | 2.25 IN. |
| SPEEDY LIFT: | NO |
| COLOR: | SILVER |

Founded in 1920, Bulldog has become the standard for heavy-duty trailer connection hardware in agricultural, military and utility service. The line covers gooseneck hitches and couplers, A-frame and channel-mount trailer couplers with the Wedge-Latch mechanism, and heavy-duty jacks, built for unmatched strength, reliability and safety under demanding loads.
Bulldog was founded in 1920 and has spent more than a century supplying the connection hardware that heavy trailers depend on. Its market has always been the demanding end: agricultural, military and utility applications where a coupler failure is not an inconvenience but a serious incident. The brand summarises its position as Tough and Tested, and it sits within the Horizon Global towing group alongside Reese, Draw-Tite, Fulton, Tekonsha, Bargman and Wesbar.
Gooseneck equipment is the brand's signature. Gooseneck hitches mount in the truck bed over the rear axle, which places the load where the chassis can carry it properly and allows far tighter turning than a receiver hitch permits. Matching gooseneck couplers attach at the trailer end, in round tube and square configurations across the capacity range used by livestock, equipment and flatbed trailers.
The conventional trailer coupler range is built around the Wedge-Latch mechanism, which uses a wedge to take up wear between coupler and ball rather than relying on a fixed clamp that loosens over time. That matters on a trailer accumulating hard miles, where slack in the coupling shows up as noise and shock loading. Couplers are offered in A-frame form for standard tongues and in channel-mount form for straight tongue and fabricated frames, with adjustable channel versions that let a coupler be positioned to suit the tongue height.
Heavy-duty jacks complete the line, sized for the tongue weights that gooseneck and equipment trailers generate. Across the range the emphasis is consistent: forged and heavy-section components, load ratings backed by testing, and hardware specified for agricultural, military and heavy-duty commercial use rather than occasional recreational towing.
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The product model number is F3282ML (Rev-D 6077). This manual covers multiple mounting styles and handle configurations for Cequent Performance Products tongue jacks, including Bulldog, Fulton, Pro-Series, and Reese Towpower brands.
No. These jacks are not designed for mounting to round tongues. They are designed for flat tongues. If you have a round tongue, contact Cequent Performance Products at 1-800-632-3290 or www.cequentgroup.com for alternative solutions.
The manual covers six mounting styles: bolt-on rack jack, bolt-on mounting bracket, snap ring/bolt-thru, A-plate (bolt-on or weld-on), direct-mount (weld-on), and weld-on pivot tube (round and square). The correct style depends on your trailer coupler type and tongue configuration. Verify your specific jack type before installation.
No. A-plate jacks are designed specifically for mounting to trailers with A-plate couplers only. If your trailer has a different coupler type, you will need a different jack mounting style.
Before mounting the jack, confirm that there will be no interference from the tow vehicle, tongue, ground, and any other mounted accessories while stationary or in motion. Check for interference in all positions including handle swing and swivel positions if applicable. Check for interference again after installation is complete. This includes clearance for the handle, trailer light cables, and coupler.
For bolt-on mounting, secure all bolts with locknuts and torque to 25 ft. lbs. This applies to both rack jack and standard bolt-on mounting bracket installations.
The gap between the mounting bolts and the tongue must not exceed 1/16 inch (1.5 mm). When installing bolt-on models, the upper bolts should rest on the top of the tongue, and the lower bolts should be less than 1/16 inch from the bottom of the tongue.
1) Place the jack bracket over the mount. 2) Place the snap ring in the groove. 3) Seat the snap ring fully into the groove. Before installing the snap ring, inspect the snap ring groove and remove any debris to ensure proper seating.
1) Place the jack bracket into the recessed opening on the mount. 2) Place the small end of the bushing into the jack bracket and onto the bolt. 3) Tighten the locknut until there is little movement in the bushing. Note: The bolt should be installed between the trailer tongue and mount; the jack bracket will be held by the bushing between the locknut and the mount.
The manual does not specify whether drilling is required. It assumes mounting holes already exist on the tongue corresponding to the tongue width. If holes do not exist, you will need to drill them. Consult the manufacturer at 1-800-632-3290 for guidance on hole sizing and placement for your specific tongue.
No. Do not attempt to weld bolt-on brackets or straps to the tongue. Special brackets are available for weld-on applications. If you need a weld-on solution, contact Cequent Performance Products at 1-800-632-3290 to order the appropriate weld-on mounting hardware.
All welding must be performed by an AWS (American Welding Society) certified welder. For direct-mount and A-plate installations, use a 3/16 inch fillet weld. For direct-mount, weld 1 inch in 2 locations on both sides of the jack. For A-plate installations, use a 3/16 inch fillet weld to attach the A-plate to the coupler and to weld the support plate to the trailer frame. For weld-on pivot tube mounting, weld all around the pivot tube with a 3/16 inch fillet weld.
For A-plate installations, use three 3/8-16 grade 5 bolts with washers and torque to 15-20 ft. lbs.
Use a 3/16 inch (4.8 mm) fillet weld for all welded tongue jack installations, including direct-mount, A-plate, and weld-on pivot tube mounting.
For direct-mount installation, weld 1 inch in 2 locations on both sides of the jack using a 3/16 inch fillet weld.
Fully retract and rotate the jack before towing. If using an optional drop foot or caster, always remove it before towing to maximize ground clearance.
Before manually moving the trailer, crank the jack to the lowest position.
No. These jacks are designed for vertical loading only. Excessive side forces may cause jack failure and must be avoided.
Secure the load, vehicle and trailer from rolling by blocking the wheels when operating the jack or coupling the trailer.
Jack capacity is limited to the lesser of the jack, footplate, or caster wheel capacity. Never exceed the maximum rated capacity. Refer to the stamped markings or decals on the product to obtain the rated capacity. If uncertain, contact Cequent Performance Products at 1-800-632-3290 or www.cequentgroup.com.
When using the drop foot or drop leg, make certain the supplied pin is fully inserted through both sides of the inner tube and the drop tube before using the jack. If using an optional drop foot or caster, always remove it before towing to maximize ground clearance. Never attempt to adjust the drop foot or drop leg when there is any load on the jack.
If this product has a pivot tube mount, make certain the pivot pin is fully inserted through both sides of the pivot tube and the pivot mount before using the jack.
If this product is a swivel jack, lock the plunger pin into a hole in the mounting bracket before raising or lowering the tongue.
If this product is a rack jack, do not raise the gear housing above the inner tube.
The following procedures should be performed at least annually.
For side-wind models, the internal gearing and bushings must be kept lubricated. Apply a small amount of automotive grease to the internal gearing by removing the jack cover, or if equipped, use a needle nose applicator or standard grease gun on the lubrication point found on the side of the jack near the crank. Rotate the jack handle to distribute the grease evenly. A lightweight oil must be applied to the handle unit at both sides of the tube for side-wind models. If equipped, the axle bolt and nut assembly of the caster wheel must also be lubricated with the same lightweight oil.
For top-wind models, apply a lightweight oil to the screw stem.
If this product is used in a marine environment, flush the jack assembly and bushings with fresh water, and apply fresh lubricant.
To attach a wheel assembly: 1) Insert the long spacer into the wheel. 2) Set the wheel into the caster body and place the bolt through the caster body and wheel. 3) Secure with the nut provided.
To attach a handle assembly: 1) Insert the long spacer into the roller followed by the thin spacer and the bolt. 2) Secure to the crank stem with the nut provided.
To attach a top-wind handle assembly: 1) Place the washer over the screw stem and then place the handle over the screw stem. 2) Secure the handle to the screw stem with the bolt and nut provided.
Jack capacity is limited to the lesser of the jack or caster. Use 4 3/8 inch bolts, washers, and locknuts as shown in the manual.
1) All welding must be performed by an AWS certified welder. 2) The non-beveled side of the pivot tube is welded to the tongue unless otherwise specified on hardware. 3) Place the weld-on pivot tube against the tongue and weld all around with a 3/16 inch fillet weld. Align one set of pivot mount holes vertically. 4) Mate the jack to the pivot tube and secure with the supplied pin.
Always replace bent, broken, or worn parts before using this product. Contact Cequent Performance Products at 1-800-632-3290 for replacement parts. Please specify the product model number.
No. The purchaser/owner must not alter or modify the product. Any modifications not performed according to the installation instructions and in a workmanlike manner will void the warranty.
No. These jacks are not designed for round tongues. They are designed for flat tongues only.
Six styles: bolt-on rack jack, bolt-on mounting bracket, snap ring/bolt-thru, A-plate (bolt-on or weld-on), direct-mount (weld-on), and weld-on pivot tube. Verify your jack type before installation.
Torque all bolts with locknuts to 25 ft. lbs.
The gap must not exceed 1/16 inch (1.5 mm).
Welding is required only for weld-on models (direct-mount, A-plate weld-on, and weld-on pivot tube). All welding must be performed by an AWS certified welder. Bolt-on models do not require welding.
Use a 3/16 inch (4.8 mm) fillet weld for all welded installations.
Fully retract and rotate the jack before towing. Remove any optional drop foot or caster to maximize ground clearance.
At least annually. Side-wind models require automotive grease on internal gearing and lightweight oil on handle and caster axle. Top-wind models require lightweight oil on the screw stem. Marine environments require fresh water flush and fresh lubricant.
George
The staff was able to quickly assist me with locating the correct product I needed. Shipping was really fast. Item arrived in 2 days. Will be using TowUniverse again!!
May 22, 2023
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Original price was $88.75. Current price is $57.54.




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