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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: | 1500520317 |
| WARRANTY: | LIMITED 5 YEAR WARRANTY |
| WEIGHT: | 13 LBS |
| CAPACITY: | 2,000 LBS. LIFT, 3,000 LBS. STATIC |
| TRAVEL: | 10 IN. |
| RETRACTED: | 23.6 IN. |
| EXTENDED: | 38.6 IN. |
| MODEL NUMBER: | SWL 150 X |
| HANDLE STYLE: | SIDEWIND |
| MATERIAL: | STEEL |
| WHEEL: | NO |
| ATTACHED WHEELS: | NO |
| CYLINDER DIAMETER: | 2.25 IN. |
| SPEEDY LIFT: | NO |
| COLOR: | GRAY |
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 types and handle styles for Cequent Performance Products tongue jacks, including Bulldog®, Fulton®, Pro-Series®, and Reese Towpower® brands. Refer to the stamped markings or decals on your specific jack to confirm the exact model and capacity rating.
No. These jacks are not designed for mounting to round tongues. They are designed for flat or rectangular tongues. If you have a round tongue, contact Cequent Performance Products at 1-800-632-3290 or www.cequentgroup.com for alternative solutions.
The gap between the mounting bolts and the tongue must not exceed 1/16 inch (1.5 mm). This applies to bolt-on mounting brackets. When installing, ensure the upper bolts rest on the top of the tongue and the lower bolts are less than 1/16 inch from 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. Also verify clearance of the handle, trailer light cables, and coupler.
Torque all bolts to 25 ft. lbs. (3.5 m/kg). This applies to both the gear housing bolts on rack jacks and the mounting bracket bolts on bolt-on installations.
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, 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.
No drilling is required for bolt-on installations. The jack uses existing holes in the tongue and mounting straps. However, you must ensure the correct mounting hole pattern for your tongue size and that the gap between mounting bolts and the tongue does not exceed 1/16 inch.
Welding is required only for weld-on mounting types (direct-mount, A-plate, and pivot tube models). Bolt-on, snap ring, and bolt-thru models do not require welding. All welding must be performed by an AWS certified welder. Do not attempt to weld bolt-on brackets or straps to the tongue; special brackets are available for weld-on applications.
Use a 3/16 inch (4.8 mm) fillet weld for all weld-on installations, including direct-mount, A-plate, and pivot tube models. For direct-mount, weld 1 inch in 2 locations on both sides of the jack. All welding must be performed by an AWS certified welder.
A-plate jacks are designed for mounting to trailers with A-plate couplers. 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 using 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, torque 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.
Torque A-plate bolts to 15-20 ft. lbs. (2-2.7 m/kg). Use three 3/8-16 grade 5 bolts with washers when bolting the jack A-plate to the coupler.
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.
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. 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. 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 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 inch bolts, washers, and locknuts as shown in the manual. Note that 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 it before towing to maximize ground clearance.
Crank the jack to the lowest position before manually moving the trailer.
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.
Secure the load, vehicle, and trailer from rolling (by blocking wheels) when operating the jack or coupling the trailer. Never position any part of your body under any portion of the product or the load being supported. Do not allow children to play on or around the product or the load being supported.
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. If using an optional drop foot or caster, always remove it before towing to maximize ground clearance.
Make certain the pivot pin is fully inserted through both sides of the pivot tube and the pivot mount before using the jack.
Lock the plunger pin into a hole in the mounting bracket before raising or lowering the tongue.
Do not raise the gear housing above the inner tube on rack jacks.
The following procedures should be performed at least annually: For side-wind models, the internal gearing and bushings must be kept lubricated. For top-wind models, apply 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.
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 be lubricated with lightweight oil.
If the product is used in a marine environment, flush the jack assembly and bushings with fresh water, and apply fresh lubricant.
The manual does not specify required tools for bolt-on installations. For weld-on installations, an AWS certified welder and welding equipment are required. For assembly of handles and casters, basic hand tools (wrench or socket set) are needed to tighten bolts and nuts.
Bolt-on installations include supplied bolts and locknuts. The exact quantity and specifications depend on the mounting type. Refer to the specific installation instructions for your mounting type.
Snap ring model jacks include a snap ring. The manual does not specify other included hardware.
Bolt-thru model jacks include a bushing and locknut. The manual does not specify whether the bolt is included or must be supplied separately.
The manual specifies that three 3/8-16 grade 5 bolts with washers are required to bolt the A-plate to the coupler. It does not specify whether these are included or must be purchased separately.
Pivot tube jacks include a supplied pivot pin for securing the jack to the pivot tube. The manual does not specify other included hardware.
Handle assemblies include a bolt and nut. For side-wind handles, a long spacer, thin spacer, bolt, and nut are included. For top-wind handles, a washer, bolt, and nut are included.
Caster wheel assemblies include a long spacer, bolt, and nut. Heavy duty casters require 4 3/8 inch bolts, washers, and locknuts.
No. The purchaser/owner must not alter or modify the product. The product must be installed according to the instructions provided. Modifications may void the warranty and compromise safety.
No. 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.
Cequent Performance Products warrants the product to the original consumer purchaser only that it 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. This warranty is not transferable.
The limited warranty does not cover: (a) normal wear and tear; (b) damage through abuse, neglect, misuse, or as a result of any accident or in any other manner; (c) damage from misapplication, overloading, or improper installation, including welds; (d) improper maintenance and repair; and (e) product alteration in any manner by anyone other than Cequent, with the sole exception of 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 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.
Replacement parts are available through Cequent Performance Products' Customer Service Department at 1-800-632-3290. Please specify the product model number. Use only Cequent Performance Products' parts or parts of equal quality for repair.
No. These jacks are not designed for mounting to round tongues. They are designed for flat or rectangular tongues only.
Torque all bolts to 25 ft. lbs. (3.5 m/kg).
No. Bolt-on installations use existing holes in the tongue and mounting straps. No drilling is required.
No. Welding is required only for weld-on mounting types (direct-mount, A-plate, and pivot tube models). Bolt-on, snap ring, and bolt-thru models do not require welding.
Fully retract and rotate the jack before towing. If using an optional drop foot or caster, remove it before towing to maximize ground clearance.
Five years for Bulldog® and Fulton® products; one year for Pro-Series® and Reese Towpower® products. Warranty covers defects in material and workmanship only, not normal wear, abuse, misuse, improper installation, or improper maintenance.
Before installing the snap ring, inspect the snap ring groove and remove any debris. Seat the snap ring fully into the groove. If debris is present, clean the groove thoroughly before attempting to install the snap ring again.
Tighten the locknut until there is little movement in the bushing. The bolt should be installed between the trailer tongue and mount, and the jack bracket will be held by the bushing between the locknut and the mount.
| Part Number | Model Number | Description | Lift Capacity (lbs.) | Handle Style | Travel (in.) | A Retracted (in.) | B Extended (in.) | C Clearance (in.) |
|---|---|---|---|---|---|---|---|---|
| 150037 | TWL 150 X | No Foot, No Mount | 2,000 | Topwind | 10.00 | 20.40 | 35.40 | - |
| 150010 | SWL 150 | No Foot, No Mount | 2,000 | Sidewind | 10.00 | 17.10 | 27.10 | - |
| 150152 | SWL 150 | No Foot, No Mount | 2,000 | Sidewind | 15.00 | 26.60 | 41.60 | - |
| 1500520317 | SWL 150 X | No Foot, No Mount | 2,000 | Sidewind | 15.00 | 23.60 | 38.60 | - |
| 150000 | TWL 150 | No Foot, No Mount | 2,000 | Topwind | 10.00 | 15.00 | 25.00 | - |
| 1701480317 | TWL 170 | No Foot, No Mount | 5,000 | Topwind | 15.00 | 21.00 | 36.00 | - |
| 170205 | SWL 170 | No Foot, No Mount | 5,000 | Sidewind | 15.00 | 19.20 | 34.20 | - |
| Replacement Parts | ||||||||
| 500236 | End Cap, 2 in. Diameter | |||||||
| 500256 | Sidewind Crank Assembly for 150 Series | |||||||
| 500105 | Sidewind Crank Assembly for 170 Series | |||||||
| 500180 | Topwind Crank Assembly | |||||||
| 500251 | Bearing Kit for 150 Series | |||||||
| 500223 | Thrust Bearing for 170 Series | |||||||
| 500106 | Sidewind Gear Kit for 150 Series and 170 Series | |||||||
| 500205 | Sidewind Crank Gear Box Cover | |||||||
George
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May 22, 2023
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