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Bulldog
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Always the correct part
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Quality Products
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Complete kit bundle containing all necessary components for your project. Professional-grade components designed for reliable performance and long-lasting durability.
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: | 151101 |
| WARRANTY: | LIMITED 5 YEAR WARRANTY |
| WEIGHT: | 11.8 LBS |
| CAPACITY: | 2,000 LBS. LIFT, 3,000 LBS. STATIC |
| TRAVEL: | 10 IN. |
| RETRACTED: | 11 IN. |
| EXTENDED: | 21 IN. |
| CLEARANCE: | 6.4 IN. |
| MODEL NUMBER: | SWS 151 DS |
| HANDLE STYLE: | SIDEWIND |
| MATERIAL: | STEEL |
| FOOT LENGTH: | 7.5 IN. |
| FOOT WIDTH: | 3.9 IN. |
| FOOT PLATE SIZE: | 7.5 IN. X 3.9 IN. |
| WHEEL: | NO |
| ATTACHED WHEELS: | NO |
| CYLINDER DIAMETER: | 2.25 IN. |
| SPEEDY LIFT: | NO |
| COLOR: | GRAY |
Keywords: BD151101-30PK bundle kit, complete kit, professional components, industrial kit, BD151101, BULLDOG
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, Revision D 6077. This manual covers multiple mounting styles and configurations of tongue jacks from Cequent Performance Products, 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 or rectangular tongues only.
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 mount (round or square). The jack may also be equipped with optional drop foot, drop leg, or removable caster wheel accessories.
No. A-plate jacks are designed specifically for mounting to trailers with A-plate couplers only. It is recommended to attach a bottom support plate to the bottom of the tongue.
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. For bolt-on installations, verify the correct mounting hole pattern for your tongue size.
Yes, if your jack requires welding. All welding must be performed by an AWS (American Welding Society) certified welder. This applies to direct-mount, A-plate, and pivot tube mounting styles. Bolt-on and snap ring installations do not require welding.
Bolt-on installations include supplied bolts and locknuts. For bolt-on rack jacks, bolts are inserted in holes corresponding to the tongue width. For bolt-on mounting brackets, 4 bolts and locknuts are provided. For A-plate bolt-on installations, three 3/8-16 grade 5 bolts with washers are required (these may be supplied or sourced separately).
Bolt-on mounting fasteners must be torqued to 25 ft. lbs. (3.5 m/kg). This applies to both rack jack and mounting bracket installations.
A-plate jacks bolted to the coupler must be torqued to 15-20 ft. lbs. (2-2.7 m/kg). Use three 3/8-16 grade 5 bolts with washers.
No. Bolt-on jacks use existing holes in the tongue and mounting straps. The manual does not indicate that drilling is required. However, you must verify that the correct mounting hole pattern exists for your tongue size, and the gap between mounting bolts and the tongue must not exceed 1/16".
No. Do not attempt to weld bolt-on brackets or straps to the tongue. Special brackets are available for weld-on applications. Welding bolt-on components will void the proper installation method.
All welding must be performed by an AWS-certified welder. For direct-mount installations, weld 1" in 2 locations on both sides of the jack using a 3/16" fillet weld. For A-plate installations, use a 3/16" fillet weld. For pivot tube mounts, weld all around the pivot tube with a 3/16" fillet weld. A bottom support plate is recommended for A-plate installations and should also be welded with a 3/16" fillet weld.
1) Before installing the snap ring, inspect the snap ring groove and remove any debris. 2) Place the jack bracket over the mount. 3) Place the snap ring in the groove and seat it fully into the groove. The snap ring holds the jack bracket in place.
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) Place the gear housing on the tongue and insert 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.
1) Assure the correct mounting hole pattern for your tongue size. The gap between mounting bolts and the tongue must not exceed 1/16". 2) Place the jack against the tongue and position the mounting straps on the opposite side. Align the holes in the mounting bracket with the holes in the mounting straps. 3) Insert 4 bolts through the mounting bracket and mounting straps. Upper bolts should rest on the top of the tongue; lower bolts should be less than 1/16" from the bottom. 4) Secure with locknuts and torque to 25 ft. lbs. 5) Check for clearance of handle, trailer light cables, and coupler.
1) All welding must be performed by an AWS-certified welder. 2) Place the jack at the desired location. 3) Weld 1" in 2 locations on both sides of the jack using a 3/16" fillet weld.
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" 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" fillet weld. 5) If your jack is a plain mount type, it may be mounted directly to a coupler with a 3/16" fillet weld. Align the foot (with the jack and coupler) as desired before welding. 6) Rack jacks with a similar A-plate incorporated into their design may be attached according to these instructions.
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" fillet weld. Align one set of pivot mount holes vertically. 4) Mate the jack to the pivot tube and secure with the supplied pin.
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.
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.
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.
Use 4 3/8" bolts, washers, and locknuts as shown in the manual. Jack capacity is limited to the lesser of the jack or caster capacity.
Fully retract and rotate the jack before towing. If using an optional drop foot or caster, always remove the drop foot or caster before towing to maximize ground clearance.
Never exceed the maximum rated capacity. The jack capacity is limited to the lesser of the jack, footplate, or caster wheel 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.
Crank the jack to the lowest position before manually moving the trailer.
Never position any part of your body under any portion of the product or the load being supported. Secure the load, vehicle, and trailer from rolling (by blocking wheels) when operating the jack or coupling the trailer. Do not allow children to play on or around the product or the load being supported. This product is not intended to be used as a transport device for the implement it is attached to; minimize movement of the implement while the jack is under load.
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 the drop foot or caster 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 of the jack 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.
Use only Cequent Performance Products' parts or parts of equal quality for repair. Replacement parts are available through Cequent Performance Products' Customer Service Department at 1-800-632-3290. Please specify the product model number.
Cequent Performance Products warrants the product will be free from defects in both material and workmanship for a period of five years for Bulldog and Fulton products and one year for Pro-Series and Reese Towpower products, ordinary wear and tear excepted; provided that installation and use of the product is in accordance with product instructions.
The limited warranty covers defects in material and workmanship only. It does not cover: (a) normal wear and tear; (b) damage through abuse, neglect, misuse, or accident; (c) damage from misapplication, overloading, or improper installation, including welds; (d) improper maintenance and repair; or (e) product alteration in any manner by anyone other than Cequent, except alterations made pursuant to product instructions and in a workmanlike manner.
To make a warranty claim, contact Cequent Performance Products at 47912 Halyard Dr. Suite 100, Plymouth, MI 48170, 1-800-632-3290. Identify the product by model number and follow the claim instructions that will be provided. You will be responsible for return shipping costs. Please retain your purchase receipt to verify the date of purchase and that you are the original consumer purchaser. The product and the purchase receipt must be provided to process your warranty claim.
No. These jacks are not designed for mounting to round tongues. They are designed for flat or rectangular tongues only.
No. A-plate jacks are designed specifically for trailers with A-plate couplers only.
Only if your jack requires welding. All welding must be performed by an AWS-certified welder. Bolt-on and snap ring installations do not require welding.
Torque all bolt-on fasteners to 25 ft. lbs. (3.5 m/kg).
Fully retract and rotate the jack before towing. If equipped with an optional drop foot or caster, remove it before towing to maximize ground clearance.
Perform lubrication procedures at least annually. Side-wind models require automotive grease on internal gearing and lightweight oil on the handle. Top-wind models require lightweight oil on the screw stem.
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