Bulldog 2,000 lbs. Round A-Frame Trailer Jack Sidewind 13" Lift w/ External gear box w/ 2" FootplateBulldog$133.72Out of Stock
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Bulldog
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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 jack has a rated capacity of 12,000 lb. However, the actual capacity is limited to the lesser of the jack, footplate, or caster wheel capacity. Always refer to the stamped markings or decals on the product to confirm the rated capacity for your specific unit. If uncertain, contact Cequent Performance Products at 1-800-521-0510 or www.cequentgroup.com.
The jack handle moves 5/8" to 3/4" while shifting between high and low gear. This clearance must be accounted for during installation to prevent interference with the tow vehicle, tongue, or other mounted accessories.
High gear is engaged when the shaft is pushed in. Low gear is engaged when the shaft is pulled out. The handle moves 5/8" to 3/4" during the shift between gears.
No. These jacks are designed for mounting to flat surfaces only. Before mounting, confirm 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 in both gears and swivel positions if applicable. Check for interference again after installation is complete.
These jacks are designed for vertical loading only. Excessive side forces may cause jack failure and must be avoided.
All welding must be performed by an AWS certified welder. For direct-mount installation, three 2" long 1/4" fillet welds must be placed on both sides of the jack along the contacting surface. The welds should be as far apart as possible to maximize strength under load. For weld-on pivot tube mounting, the non-beveled side of the pivot tube is welded to the tongue with a 1/4" fillet weld all around.
Yes. All welding must be performed by an AWS certified welder. This applies to both direct-mount and weld-on pivot tube mounting installations.
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 in both gears (if applicable) and swivel positions (if applicable). Check for interference again after installation is complete.
1) All welding must be performed by an AWS certified welder. 2) Place the jack at the desired location. 3) Weld 3" in 2 locations on both sides of the jack using a 1/4" fillet weld. The three 2" long 1/4" fillet welds should be placed on both sides of the jack along the contacting surface, as far apart as possible to maximize strength under load.
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. 3) Place the weld-on pivot tube against the tongue and weld all around with a 1/4" fillet weld. 4) Align one set of pivot mount holes vertically. 5) Mate the jack to the pivot tube and secure with the supplied pin.
If mounting in a tandem application, align the jacks carefully so they raise and lower together and share the load equally.
The supplied pin is used to secure the jack to the pivot tube after the pivot tube has been welded to the tongue. The pin is inserted through the pivot tube and the pivot mount to hold the jack in place.
If this product has a pivot tube mount, make certain the pivot pin is fully inserted through both sides on the pivot tube and the pivot mount.
When using the drop leg, make certain the drop leg pin is fully inserted before using the jack. Verify that the drop leg pin is fully inserted into the jack by checking for no clearance between the drop leg pin and housing. If you see clearance, you must adjust the drop leg to fully seat the pin into the hole location. If you are unable to fully seat the pin, do not use the jack.
Never position any part of your body under any portion of the jack or the load being supported. Secure the load, vehicle and trailer from rolling by blocking wheels when operating the jack or coupling the trailer. Never exceed the maximum rated capacity. Do not allow children to play on or around the product or the load being supported. Always replace bent, broken, or worn parts before using the product.
Fully retract and/or rotate the jack before towing.
Keep clear of the pinch point at the drop leg pin. The drop leg will naturally drop or retract very quickly depending on the model. Also keep clear of holes in the drop leg.
No. If this product has a drop leg, never attempt to adjust the drop leg when the jack is under load.
The following procedures should be performed at least annually: The gears, bushings, and screw of the jack must be kept lubricated. For side-wind models, apply a small amount of automotive grease with a grease gun at the lubrication points found on the side of the jack near the input shaft. Rotate the jack handle to distribute the grease evenly. A lightweight oil must be applied to the input shaft bushings at both sides of the jack or gearbox. For top-wind models, the screw-stem should be lubricated with a lightweight oil. If equipped, the drop leg pin and spring must be kept clean and lubricated with a lightweight oil.
For side-wind models, apply automotive grease with a grease gun at the lubrication points near the input shaft. A lightweight oil must be applied to the input shaft bushings at both sides of the jack or gearbox. For top-wind models, the screw-stem should be lubricated with lightweight oil. If equipped, the drop leg pin and spring must be kept clean and lubricated with lightweight oil.
The lubrication points are found on the side of the jack near the input shaft. Apply a small amount of automotive grease with a grease gun at these points and rotate the jack handle to distribute the grease evenly.
The gears, bushings, and screw of the jack must be kept lubricated. The input shaft bushings at both sides of the jack or gearbox must be lubricated with lightweight oil. If equipped, the drop leg pin and spring must be kept clean and lubricated with lightweight oil.
If equipped, the drop leg pin and spring must be kept clean and lubricated with a lightweight oil. You may need to lubricate the drop leg pin assembly if the pin does not fully seat into the hole location.
Yes. These jacks are designed for mounting to flat surfaces only. Before installation, check for interference from the tow vehicle, tongue, ground, and other accessories in all positions including handle swing and swivel positions.
Yes. All welding must be performed by an AWS certified welder for both direct-mount and weld-on pivot tube installations.
A 1/4" fillet weld is required. For direct-mount, place three 2" long 1/4" fillet welds on both sides of the jack. For weld-on pivot tube mounting, weld all around the pivot tube with a 1/4" fillet weld.
Fully retract and/or rotate the jack before towing.
No. Never attempt to adjust the drop leg when the jack is under load.
At least annually. Apply automotive grease to side-wind models at lubrication points near the input shaft, and lightweight oil to input shaft bushings and drop leg components.
You may need to lubricate the drop leg pin assembly as described in the maintenance section. If you are unable to fully seat the pin after lubrication, do not use the jack. Verify that the drop leg pin is fully inserted into the jack by checking for no clearance between the drop leg pin and housing.
A tongue jack is a device mounted to a trailer tongue that raises and lowers the front of the trailer for coupling, uncoupling, and ground clearance. The manual covers multiple styles: bolt-on rack jacks, bolt-on mounting bracket jacks, snap ring models, bolt-thru models, A-plate models, direct-mount models, and pivot tube models. They are available with side-wind or top-wind handles and optional drop feet, drop legs, or caster wheels.
No. The manual explicitly states: "These jacks are not designed for mounting to round tongues." Tongue jacks are designed for flat or rectangular tongues only.
The gap between the mounting bolts and the tongue must not exceed 1/16 inch (1.5 mm). This applies to both bolt-on rack jacks and bolt-on mounting bracket installations. If the gap is too large, the jack will not be properly supported.
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. You must check for interference again after installation is complete. This is critical to safe operation.
1) Place the gear housing on the tongue and insert the supplied bolts in holes corresponding to the tongue width. 2) Place the mounting bracket below the tongue with the flat surface against the tongue. 3) Secure with locknuts and torque to 25 ft-lbs. After installation, check for clearance of the handle, trailer light cables, and coupler.
1) Place the jack against the tongue and position the mounting straps on the opposite side of the tongue. Align the holes in the mounting bracket with the holes in the mounting straps. 2) Insert the 4 bolts through the mounting bracket and mounting straps. The upper bolts should rest on the top of the tongue. The lower bolts should be less than 1/16 inch from the bottom of the tongue. 3) Secure with locknuts and torque to 25 ft-lbs. 4) Check for clearance of handle, trailer light cables, and coupler.
1) Place the jack bracket over the mount and place the snap ring in the groove. 2) 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.
1) All welding must be performed by an AWS certified welder. 2) If the A-plate is separate from the jack, align the jack (and foot, if equipped) with the jack and coupler as desired before welding. Use a 3/16 inch fillet weld. 3) Bolt the jack A-plate to the coupler using three 3/8-16 grade 5 bolts with washers, torqued to 15-20 ft-lbs. 4) Weld the recommended support plate to the bottom of the trailer frame using a 3/16 inch fillet weld. 5) If your jack is a plain mount type, it may be mounted directly to a coupler with a 3/16 inch fillet weld. 6) Rack jacks with a similar A-plate incorporated into their design may be attached according to these instructions. It is recommended to attach a bottom support plate to the bottom of the tongue.
1) All welding must be performed by an AWS certified welder. 2) Place the jack at the desired location. 3) Weld 1 inch in 2 locations on both sides of the jack using a 3/16 inch fillet weld. The same welding instructions apply to other weld-on mounts.
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.
Bolt-on jacks must be torqued to 25 ft-lbs. This applies to both bolt-on rack jacks and bolt-on mounting bracket installations using locknuts.
A-plate jacks require three 3/8-16 grade 5 bolts with washers, torqued to 15-20 ft-lbs.
All weld-on installations require a 3/16 inch fillet weld. This applies to direct-mount jacks, A-plate jacks, and pivot tube jacks. All welding must be performed by an AWS certified welder.
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.
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. Never attempt to adjust the drop foot or drop leg when there is any load on the jack.
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.
No. These jacks are designed for vertical loading only. Excessive side forces may cause jack failure and must be avoided.
Before manually moving the trailer, crank the jack to the lowest position.
If the product is a swivel jack, lock the plunger pin into a hole in the mounting bracket before raising or lowering the tongue.
If the 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.
If the product is a rack jack, do not raise the gear housing above the inner tube.
No. Do not attempt to weld bolt-on brackets or straps to the tongue. Special brackets are available for weld-on applications.
All welding must be performed by an AWS certified welder. This applies to all weld-on installations including direct-mount, A-plate, and pivot tube models.
Always replace bent, broken, or worn parts before using the product.
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 the 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.
For a heavy duty caster installation, use 4 3/8 inch bolts, washers, and locknuts as shown in the manual. Jack capacity is limited to the lesser of the jack or caster capacity.
No. Tongue jacks are not designed for mounting to round tongues. They are designed for flat or rectangular tongues only.
The gap must not exceed 1/16 inch (1.5 mm). If the gap is larger, the jack will not be properly supported.
Torque bolt-on jacks to 25 ft-lbs using locknuts.
Use three 3/8-16 grade 5 bolts with washers, torqued to 15-20 ft-lbs.
Yes. All welding must be performed by an AWS certified welder for direct-mount, A-plate, and pivot tube installations.
Yes. If using an optional drop foot or caster, always remove it before towing to maximize ground clearance.
Fully retract and rotate the jack before towing.
Perform lubrication procedures at least annually. For side-wind models, apply automotive grease to internal gearing and lightweight oil to the handle. For top-wind models, apply lightweight oil to the screw stem.
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