2-5/16 in. Ball A-Frame Trailer Coupler

2-5/16 in. Ball A-Frame Trailer Coupler - Heavy-Duty Professional Grade

Qingdao Ruirui's 2-5/16 in. Ball A-Frame Trailer Coupler delivers enterprise-level performance for heavy-duty towing applications. Our well-designed coupler has a strong A-frame structure that can hold 10,000 to 21,000 pounds gross vehicle weight and 1,000 to 3,000 pounds of tongue weight. This coupler meets SAE J684 standards and is made of heavy-gauge steel with advanced locking mechanisms. It also has better load distribution and structural stability for professional builders and serious recreational users.

Why Choose Our 2-5/16 in. Ball A-Frame Trailer Coupler?

Professional-Grade Construction

Our coupler is made of heavy-gauge cast steel, which is stronger than other options on the market. The A-frame design makes sure that the pulling forces are spread out evenly across the trailer chassis. This design keeps the frame from deforming during emergency stops or rough terrain travel.

Advanced Locking Technology

With our high-tech locking system, your safety comes first. The method automatically locks onto standard 2-5/16" trailer balls and keeps them in place. Our spring-loaded design can handle negative vertical forces that could separate the components by mistake.

Built for Demanding Applications

This coupler can handle rough conditions whether you're pulling building equipment, big RVs, or animal trailers. The strong design handles situations with a lot of power and keeps things running smoothly even when they are loaded with big things.

Technical Specifications

Specification	Details
Ball Size	2-5/16 inches
Gross Trailer Weight	10,000 - 21,000 lbs
Tongue Weight Capacity	1,000 - 3,000 lbs
Material	Heavy-gauge stamped steel
Finish Options	Matte black powder coating, zinc plating
Compliance	SAE J684 certified
A-Frame Angle	50-degree geometry
Latch Type	Automatic engagement with manual release
Corrosion Resistance	500+ hour salt spray tested

Key Advantages

Superior Load Distribution

The A-frame design spreads forces evenly across your trailer frame. This reduces stress concentration points that cause premature failure in straight-tongue designs.

Universal Compatibility

Our coupler works with all standard 2-5/16" hitch balls. It's compatible with weight distribution systems for large travel trailers and heavy equipment haulers.

Easy Installation

Made to be welded or bolted straight to trailer sides. Clear fastening instructions make sure that the right connection is made for maximum safety.

All-Weather Durability

Our finish doesn't rust and can stand up to tough conditions. Tests with salt spray show how well the road works at the coast and in the winter.

Quick Operation

The latch device is easy to use and makes linking and uncoupling quick and easy. Normal function doesn't need any tools.

Applications

Construction and Equipment Transport

Perfect for hauling skid steers, compact excavators, and dump trailers. The 2-5/16 in. Ball A-Frame Trailer Coupler handles extreme vibration and dirt exposure without compromising safety.

Large Recreational Vehicles

Essential for travel trailers exceeding 25 feet. The low-profile design doesn't interfere with propane tanks or battery boxes on A-frame tongues.

Livestock and Horse Trailers

Provides rigid connection that reduces jarring from live load movement. This protects animals and reduces stress on your towing vehicle's suspension.

Quality Assurance

Rigorous Testing Standards

Every coupler undergoes tensile and static load testing per SAE J684 requirements. We test at 1.5x rated capacity to ensure structural integrity under extreme conditions.

Precision Manufacturing

Our ISO 9001:2015 certified facility maintains strict quality control. Ball fitment tolerance testing ensures proper engagement without excessive play.

Durability Validation

Each latch mechanism endures 1,000+ cycle testing. This prevents fatigue-related failures that could compromise safety.

Installation and Maintenance Tips

Proper Installation

Position the coupler to overlap trailer tongue channels adequately. Use AWS E7018 electrodes for welding raw steel units. Never weld perpendicular to stress lines.

Adjustment Procedure

Fine-tune the locking mechanism by adjusting the under-jaw nut. Compress the spring, then back off 1/8 to 1/4 turn for optimal operation.

Maintenance Requirements

Apply white lithium grease to pivot points regularly. This prevents corrosion and ensures smooth latch operation in all conditions.

Why Ruirui Manufacturing?

17+ Years of Expertise

Since 2008, we've specialized in precision trailer components and industrial hardware. Our experience shows in every detail of our product.

Factory Direct Advantages

Skip the middlemen and save 20-30% compared to traders. Our one-stop production capability controls costs while maintaining quality.

Global Quality Standards

ISO 9001:2015 certification proves our commitment to excellence. Full documentation and material certifications support OEM requirements.

Contact Us

Ready to upgrade your towing system with a 2-5/16 in. Ball A-Frame Trailer Coupler? Contact us at kshdhardware@qdkshd.com for quotes and technical support.