Fulton Trailer Coupler 3" Channel Tongue Holes on 3" Centers 2" Ball 3,500 lbs. Zinc
Model: 23300 0301STAMPED COUPLERS
The most popular coupler mechanism ever developed, the Fas-Lok®
originated as a Fulton brand and is offered in a full line of SAE Class
I through IV rated straight tongue stamped couplers. The Fas-Lok®
latching mechanism allows quick and easy trailer hook-up, and is factory
adjusted for convenience.
| Part Number | 23300 0301 |
| Brand | Fulton |
| Gross Trailer Weight | 3,500 lbs. |
| Ball Size | 2" |
| SAE Class | II |
| Channel Width | 3" |
| Finish | Z-Max 600 - Superior Zinc Plating |
| Warranty | 5 Year |
| Installation Instructions |  |
Since 2012, Fulton has been paired with the BASSMaster elite angler Brent Chapman. Brent relies on the F2 product line for both professional fishing tournaments, and trips with his wife and kids. Fulton is proud to be represented by the 2012 Angler of the Year.
Apart from the notoriety that Brent Chapman brings, the Fulton F2 has also been awarded from numerous organizations. One such award was given to the F2 trailer winch by the Marine Aftermarket Accessories Trade Show in 2008 for its innovation and design.
Suited for all environments, Fulton performs best when the weather is at its worst. When innovative design is combined with quality and value, the result is a brand that is the obvious choice for recreational and marine applications everywhere.
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Product Details
- Brand: Fulton
- Model: 23300 0301
- UPC: 783192011794
- Includes: Channel Coupler
Description
STAMPED COUPLERS
The most popular coupler mechanism ever developed, the Fas-Lok®
originated as a Fulton brand and is offered in a full line of SAE Class
I through IV rated straight tongue stamped couplers. The Fas-Lok®
latching mechanism allows quick and easy trailer hook-up, and is factory
adjusted for convenience.
| Part Number | 23300 0301 |
| Brand | Fulton |
| Gross Trailer Weight | 3,500 lbs. |
| Ball Size | 2" |
| SAE Class | II |
| Channel Width | 3" |
| Finish | Z-Max 600 - Superior Zinc Plating |
| Warranty | 5 Year |
| Installation Instructions | |
Since 2012, Fulton has been paired with the BASSMaster elite angler Brent Chapman. Brent relies on the F2 product line for both professional fishing tournaments, and trips with his wife and kids. Fulton is proud to be represented by the 2012 Angler of the Year.
Apart from the notoriety that Brent Chapman brings, the Fulton F2 has also been awarded from numerous organizations. One such award was given to the F2 trailer winch by the Marine Aftermarket Accessories Trade Show in 2008 for its innovation and design.
Suited for all environments, Fulton performs best when the weather is at its worst. When innovative design is combined with quality and value, the result is a brand that is the obvious choice for recreational and marine applications everywhere.
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Fulton Trailer Coupler 3" Channel Tongue Holes on 3" Centers 2" Ball 3,500 lbs. Zinc Install Notes
Installation and Maintenance Instructions for Stamped Couplers
Specifications:
- Rated according to SAE J684.
- Minimum tongue overlap:
- Straight Tongue Couplers: 6.5 inches.
- A-Frame Couplers: Only compatible with 50° trailer tongues.
Tools Required:
- Torque wrench
- Grade 5 bolts with locknuts
- SAE 30 wt. motor oil
- Grease for ball pocket
Step-by-Step Instructions:
Bolting Instructions:
- Ensure the coupler’s internal stop is butted against the end of the trailer tongue for maximum overlap.
- Follow the trailer manufacturer’s specifications for the number and size of fasteners.
Straight Tongue Couplers:
- Class 1 Couplers:
- Preferred: Use (4) 3/8” grade 5 bolts through side holes.
- Alternate: Use (2) 3/8” grade 5 through bolts and locknuts. Torque to SAE proof load specifications. Ensure no deformation of the trailer tongue end.
- Class 2, 3, and 4 Couplers:
- Preferred: Use (4) 1/2” grade 5 bolts through side holes.
- Alternate: Use (2) 1/2” grade 5 through bolts and locknuts. Torque to SAE proof load specifications. Ensure no deformation of the trailer tongue end.
A-Frame Couplers:
- Use with 50° trailer tongues only.
- Bolt coupler to tongue members using grade 5 hardware with locknuts. Torque bolts to SAE proof load specifications:
- Ø 3/8”: 23 ft-lbs.
- Ø 1/2”: 55 ft-lbs.
- Ø 5/8”: 110 ft-lbs.
Adjustable Height Channels:
- For tongues 6” or less in height, gussets are required.
- Center the mounting bracket on the tongue and weld a 1/4” minimum fillet weld around the bracket.
- Secure the coupler using (2) 5/8” x 5” grade 5 bolts through the mounting bracket holes.
- Tighten locknuts to 100-110 ft-lbs.
Weld-On Instructions:
- All welding must be performed by an AWS-certified welder.
- Ensure a 6.5” minimum overlap between the coupler and trailer tongue.
- Weld on both sides and the top using:
- Straight Tongue Couplers: 1/8" fillet weld.
- A-Frame Couplers: 3/16" fillet weld.
Maintenance Instructions:
- Perform the following at least annually:
- Check welds and mounting bolt torque.
- Grease the ball pocket.
- Oil pivot points with SAE 30 wt. motor oil.
- Inspect retaining pins and replace if necessary.
- Keep the ball pocket clean to avoid debris buildup.
Coupling and Uncoupling Instructions:
To Couple:
- Block trailer wheels.
- Align the hitch ball beneath the coupler ball pocket.
- Follow coupler-specific steps to secure the coupler to the hitch ball:
- Fas-Lok® Coupler: Lift latch trigger, ensure proper engagement, and check ball seating.
- Yoke-Style Coupler: Lift latch, raise yoke, and lower coupler over hitch ball. Engage latch handle and check ball seating.
- Low-Latch Coupler: Open locking lever, lower coupler, and ensure latch engagement.
To Uncouple:
- Block trailer wheels.
- Open locking lever and raise the trailer off the hitch ball.
- Return handle to the closed position.
Safety Notes:
- Never exceed the rated capacity of the coupler, hitch, or vehicle.
- Always use the correct hitch ball size as indicated on the coupler body.
- Secure the load and block wheels before latching or unlatching.
- Regularly inspect coupler components and replace worn or damaged parts.
Warranty Information:
Attention: This is a summary of warranty coverage. For detailed warranty instructions, please download the full installation PDF.
- Limited Warranty:
- Coverage includes 5 years for select brands and 1 year for others.
- Exclusions include normal wear and tear, damage from misuse, improper installation, or modifications.
For Technical Support: Our team of experts is available to help. You can reach our tech support by visiting www.trailerjacks.com or calling 877-869-6690.
For Warranty Information: Warranty coverage details are available in the full installation PDF. Please download the PDF for complete instructions.
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