Specially designed for 2-1/2" square straight trailer tongues, this 2" ball medium-duty coupler features a precise 2-1/2" single channel. Adopting thick hot-dipped galvanized steel, it delivers strong corrosion resistance for marine and outdoor use. The reliable trigger latch and dual safety system ensure stable towing performance up to 3500LBS GTW. Simple bolt-on installation makes it a perfect replacement and assembly part for medium-duty square tube trailers.
Full Long Description
Our 2" Straight Tongue Trailer Coupler with 2-1/2" single channel is a premium medium-duty towing accessory tailored for 2-1/2" square straight trailer tongues. Matched with standard 2" trailer balls, it provides stable, safe and reliable connection for daily utility towing and marine boat trailer towing.
Made of thickened heavy-gauge steel and hot-dipped galvanized treatment, the coupler body has uniform zinc coating and strong oxidation resistance. It can effectively resist seawater erosion, rain rust and road salt corrosion, maintaining long-term stable service in wet and harsh environments.
The optimized spring trigger latch structure is firm and flexible, realizing fast locking and unlocking. After locking, the safety pin is inserted and fixed with anti-lost chain, which avoids accidental disconnection caused by vibration during medium-load towing, greatly improving towing safety.
Standard pre-drilled mounting holes match the installation size of mainstream 2-1/2" square tube trailer tongues. No welding or modification is required, and the installation is efficient and labor-saving. It is widely used for replacing old couplers and building new medium-duty trailers.
Important Note: Only fits 2" trailer balls and 2-1/2" square straight trailer tongues. Trailer ball is not included. Not for A-frame triangular trailers. Check trailer size before ordering.
FAQ
Q1: What tongue size is this for?
A: Fits 2-1/2" outer width straight square trailer tongues.
Q2: Compatible ball size?
A: Standard 2 inch trailer ball.
Q3: Suitable for boat trailers?
A: Yes, galvanized finish offers great marine rust protection.
Q4: Trailer ball included?
A: No, sold separately.
Q5: For triangular A-frame tongues?
A: No, only for straight square tube tongues.
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Specifications
| Compatible Ball Size | 2" |
| Channel Width | 2-1/2" Single Channel |
| Max GTW | 3500 LBS |
| Material | Thick Heavy Gauge Steel |
| Finish | Hot Dipped Galvanized |
| Latch Type | Trigger Latch |
| Mount Type | Bolt-On Straight Square Tongue |
| Included Parts | Trigger Latch, Safety Pin, Retaining Chain |
| Application | 2.5" Square Tube Utility Trailer, Boat Trailer, Medium Cargo Trailer |
Safety Disclaimer
Verify ball size and tongue dimension prior to use. Inspect all components for wear or damage before each tow. Do not exceed 3500LBS GTW. Follow local towing safety regulations. Improper use or overload may lead to safety hazards.
