Fulton 3,500 lbs Straight Coupler, 2 in. Diameter, 3 in. Channel Width FL22300 0301Fulton$37.99Out of Stock
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Fulton has produced marine and utility trailer hardware for more than a century, and its jacks, winches and couplers are a standard for light and medium-duty trailering. The XLT and F2 series cover swivel and fixed jacks, hand and powered winches from 1,500 to 3,200 pounds, and couplers built to keep working in wet, salty conditions.
With more than a hundred years of production behind it, Fulton has become the reference point for light and medium-duty trailer hardware, particularly on the marine side. That environment is the toughest test a trailer component faces. A boat trailer is reversed into fresh or salt water on every launch and left to sit wet, which finds every weakness in plating, sealing and material choice. Fulton's stated position is that the brand performs best when the weather is at its worst, and its product engineering reflects that. It sits within the Horizon Global towing group alongside Reese, Draw-Tite, Bulldog, Tekonsha and Wesbar.
Marine and utility jacks anchor the line. The XLT Series marine jack uses a bolt-through swivel mount built from three-dimensionally formed heavy-gauge steel stampings with a proprietary bushing material, a combination chosen to minimise deflection under tongue load while keeping the swivel action working after years of exposure. The F2 Series takes corrosion resistance further as the industry's only extruded aluminium marine jack with an anodised finish, which removes the rust problem at its source rather than coating over it. The wider trailer jack range covers topwind, sidewind and drop-leg configurations.
Trailer winches pull boats onto bunks and rollers. XLT Series winches use efficient gear ratios, full-length drum bearings, oil-impregnated shaft bushings and a Comfort Grip handle that makes the last few turns under load bearable, in 1,500 and 1,800 pound capacities. F2 Series winches use an enclosed frame for a cleaner look and added protection, in 1,600, 2,000 and 3,200 pound models, including two-speed options that trade line speed for cranking effort.
Couplers complete the range, including A-frame couplers matched to common tongue sizes and load ratings, serving boat owners, utility trailer users and trailer manufacturers.
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The F3484 is a stamped trailer coupler manufactured by Cequent Performance Products (available under Bulldog, Fulton, Pro-Series, and Reese Towpower brands). It connects a trailer tongue to a towing vehicle's hitch ball. It is available in bolt-on and weld-on configurations for Class 1, 2, 3, and 4 trailers, with straight tongue or A-frame (50-degree) designs.
No. The A-frame coupler can only be used with 50-degree trailer tongues. Using it with any other tongue angle will not provide proper fitment and may compromise safety.
Use only the proper ball size indicated on the coupler body. If you are uncertain which ball size is correct for your coupler, contact Cequent Performance Products at 1-800-632-3290 or www.cequentgroup.com.
The preferred method is to use four (4) 3/8-inch grade 5 bolts through the side holes. An alternate method is to use two (2) 3/8-inch grade 5 through bolts and locknuts, provided they can be torqued to the appropriate SAE proof load specification (23 ft. lbs.). The coupler's internal stop must be butted against the end of the trailer tongue for maximum overlap. No deformation of the trailer tongue end is allowed.
The preferred method is to use four (4) 1/2-inch grade 5 bolts through the side holes. An alternate method is to use two (2) 1/2-inch grade 5 through bolts and locknuts, provided they can be torqued to the appropriate SAE proof load specification (55 ft. lbs.). The coupler's internal stop must be butted against the end of the trailer tongue for maximum overlap. No deformation of the trailer tongue end is allowed.
Use grade 5 bolts with locknuts through the available mounting holes in the coupler housing to bolt the coupler to the tongue members. For couplers using 1/2-inch hardware, use washers beneath all bolt heads and locknuts. Torque grade 5 bolts with locknuts to the appropriate SAE proof load specification (55 ft. lbs. for 1/2-inch bolts). No deformation of the trailer tongue end is allowed.
Yes, gussets are required if the tongue height is 6 inches or less. The mounting bracket must be centered on the tongue and remain vertical after installation. A 1/4-inch minimum fillet weld is required all around the gussets.
A minimum coupler/tongue overlap of 6.5 inches is required. The coupler's internal stop must be butted against the end of the trailer tongue to achieve maximum overlap.
Yes. Before mounting the coupler, 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 both open and closed positions before installing. Check for interference again after installation is complete.
The manual does not specify whether drilling is required. For bolt-on installation, the coupler and mounting bracket must have holes that align; the manual states to use 'available mounting holes' but does not clarify whether new holes must be drilled or if existing holes are used. Contact the trailer manufacturer or Cequent Performance Products at 1-800-632-3290 for clarification on your specific application.
Torque 3/8-inch grade 5 bolts to 23 ft. lbs. according to SAE proof load specifications.
Torque 1/2-inch grade 5 bolts to 55 ft. lbs. according to SAE proof load specifications.
Torque the two (2) 5/8-inch x 5-inch grade 5 bolts and locknuts to 100-110 ft. lbs. when securing the coupler to the adjustable height channel mounting bracket.
1. Block the trailer wheels. 2. Align the hitch ball beneath the coupler ball pocket. 3. Open the coupler by pulling the latch trigger and lifting the locking lever. 4. Lower the coupler over the hitch ball until the ball is fully seated into the ball pocket. 5. Move the locking lever to the closed position. 6. Check that the latch is engaged by lifting up on the back of the locking lever. 7. Verify that the hitch ball is fully seated and the ball clamp is below the ball. If the ball is not seated with the lever in the closed position and latch engaged, do not tow. Repeat the steps.
1. Block the trailer wheels. 2. Align the hitch ball beneath the coupler ball pocket. 3. Open the coupler by (1) lifting the latch, (2) raising the yoke, and (3) pulling back, resting it on top of the coupler nose. 4. Lower the coupler over the hitch ball until the ball is fully seated into the ball pocket. 5. Push the latch handle forward until the yoke drops over the coupler nose and the latch handle tips enter the slots on top of the coupler. 6. Check that the hitch ball is fully seated and the ball clamp is below the ball. If the ball is not seated with the yoke in the closed position and latch handle engaged, do not tow. Repeat the steps.
1. Block the trailer wheels. 2. Align the hitch ball beneath the coupler ball pocket. 3. Open the coupler locking lever by (1) lifting the latch upward and (2) pulling back. 4. Lower the coupler over the hitch ball until the ball is fully seated into the ball pocket. 5. Move the locking lever forward until the latch handle tips enter the slots on top of the coupler. 6. Check that the hitch ball is fully seated and the ball clamp is below the ball. If the ball is not seated with the lever in the closed position, do not tow. Repeat the steps.
1. Block the trailer wheels. 2. Open the locking lever. 3. Raise the trailer off the hitch ball. 4. Return the handle to the closed position.
1. Assure the coupler's internal stop is butted against the end of the trailer tongue for maximum overlap. 2. Achieve a minimum coupler/tongue overlap of 6.5 inches. 3. Place the coupler on the trailer tongue members. 4. Weld on both sides and the top using a 1/8-inch minimum fillet weld as shown in the weld detail diagram. 5. All welding must be performed by an AWS-certified welder. 6. After installation, check that coupler operation has not been impaired. If coupler is to be primed/painted after installation, remove excess paint/primer buildup from the ball pocket and latching mechanism.
1. Assure the coupler's internal stop is butted against the end of the trailer tongue for maximum overlap. 2. Achieve a minimum coupler/tongue overlap of 6.5 inches. 3. This coupler can only be used with 50-degree trailer tongues. 4. Place the coupler on the trailer tongue members. 5. Weld on both sides and the top using a 3/16-inch minimum fillet weld as shown in the weld detail diagram. 6. All welding must be performed by an AWS-certified welder. 7. After installation, check that coupler operation has not been impaired. If coupler is to be primed/painted after installation, remove excess paint/primer buildup from the ball pocket and latching mechanism.
Before towing, perform the following checks: (1) Check the vehicle, mounting bracket, hitch, hitch ball, and coupler for signs of wear or damage and that the coupler handle opens and closes freely. If the coupler and/or mounting bracket is deformed or damaged, replace the complete coupler and mounting bracket. (2) Replace bent, broken, or worn parts before using the product. (3) Close the coupler securely by ensuring the hitch ball is fully seated in the coupler ball pocket and the handle or latch is in the closed position. (4) Check mounting bracket hardware for wear and proper tightness. Replace bent, broken, or worn hardware. Tighten hardware to appropriate SAE proof load specifications. Use only grade 5 hardware. (5) Make sure trailer safety chains are properly connected to the towing vehicle and trailer according to SAE J684. (6) Make sure all trailer lighting is hooked up and working properly.
Do not exceed the lesser of the mounting bracket, coupler, hitch, vehicle, ball, or trailer weight ratings (including load). Weigh your trailer plus added load before towing to ensure you do not exceed any of these limits.
Do not use the coupler. After installing the mounting bracket and/or coupler, if coupler operation has been impaired in any way, do not use it. After installation is complete, check that the coupler operation has not been impaired. If it has been, the coupler must be replaced.
Use caution when uncoupling as the tongue may rise suddenly due to negative tongue load. Always block the trailer wheels before uncoupling.
No. Do not tow if the ball is not fully seated and/or the coupler is not closed. Before towing, verify that the hitch ball is fully seated in the coupler ball pocket and the handle or latch is in the closed position.
After installation is complete, check that the coupler operation has not been impaired in any way. Do not use the coupler if its operation has been impaired. If the coupler is to be primed/painted after installation, make sure excess paint/primer buildup is removed from the ball pocket and latching mechanism.
The following procedures should be performed at least annually: (1) Check welds and mounting bolt torque. (2) Grease the ball pocket. (3) Oil pivot points with SAE 30 wt. motor oil. Additionally, keep the ball pocket and mechanism clean. When parking or storing your trailer, keep the coupler off the ground so dirt and/or other foreign material will not build up in the coupler ball pocket.
Check mounting bolt torque at least annually as part of routine maintenance. Tighten hardware to appropriate SAE proof load specifications (3/8-inch: 23 ft. lbs., 1/2-inch: 55 ft. lbs., 5/8-inch: 100-110 ft. lbs.). Use only grade 5 hardware.
Keep the ball pocket and mechanism clean. When parking or storing your trailer, keep the coupler off the ground so dirt and/or other foreign material will not build up in the coupler ball pocket.
No. The A-frame coupler only fits 50-degree trailer tongues.
Grade 5 bolts only. The manual specifies grade 5 hardware for all bolt-on and A-frame installations.
A minimum of 6.5 inches overlap is required. The coupler's internal stop must be butted against the end of the trailer tongue for maximum overlap.
Gussets are required if the tongue height is 6 inches or less. The mounting bracket must be centered on the tongue and remain vertical, with a 1/4-inch minimum fillet weld all around.
3/8-inch bolts: 23 ft. lbs.; 1/2-inch bolts: 55 ft. lbs.; 5/8-inch bolts: 100-110 ft. lbs. All torque values are SAE proof load specifications.
No. Do not tow if the ball is not fully seated and/or the coupler is not closed. Verify the hitch ball is fully seated in the ball pocket and the handle or latch is in the closed position before towing.
Perform annually: check welds and mounting bolt torque, grease the ball pocket, and oil pivot points with SAE 30 wt. motor oil. Keep the ball pocket and mechanism clean, and store the coupler off the ground.
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