{"product_id":"yeopgyeon-2-5-16-a-frame-trailer-coupler-12-500-lb-weld-on-alloy-steel-black-powder-coat","title":"YEOPGYEON 2-5\/16\" A-Frame Trailer Coupler, 12,500 lb — Weld-On Alloy Steel, Black Powder Coat","description":"\u003cp\u003e\u003cstrong\u003eYEOPGYEON's 2-5\/16\" A-frame coupler is a Class 4, weld-on alloy-steel hitch rated for 12,500 lbs GTW, designed for permanent mounting on horse trailers, RVs, campers and tiny house builds.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis heavy-duty weld-on coupler delivers a commercial-grade connection where strength, stability and corrosion resistance matter. Built from high-strength alloy steel with a solid neck and finished in a weather-resistant black powder coat, it replaces temporary bolt-on hitches and provides a rattle-free link between your trailer tongue and tow vehicle. The sleeve-lock latch fully surrounds the trailer ball and includes a safety pin hole for added security on long hauls and rough roads.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this coupler improve towing stability?\u003c\/h3\u003e\n\u003cp\u003eThe permanent weld-on design eliminates play that can develop with bolt-on couplers, giving a more rigid connection and less movement during acceleration, braking and cornering. The solid alloy-steel neck and precision-fit sleeve-lock reduce wobble and distribute load forces more evenly across the trailer tongue.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWeld-on mount for a fixed, vibration-resistant attachment\u003c\/li\u003e\n  \u003cli\u003eSolid steel neck minimizes flex under heavy loads\u003c\/li\u003e\n  \u003cli\u003eSleeve-lock fully surrounds the ball to stop lateral play\u003c\/li\u003e\n  \u003cli\u003eRated 12,500 lbs for commercial and residential towing tasks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this coupler resist corrosion in harsh environments?\u003c\/h3\u003e\n\u003cp\u003eYes — the coupler is protected with a durable black powder-coated finish formulated to resist rust, chipping and salt exposure. That finish, combined with the corrosion-resistant alloy steel, helps preserve the hitch’s appearance and mechanical function over years of outdoor use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBlack powder coat resists moisture, salt spray and abrasion\u003c\/li\u003e\n  \u003cli\u003eAlloy steel construction reduces long-term oxidation risk\u003c\/li\u003e\n  \u003cli\u003eLow-maintenance surface that holds up to boat launches and winter roads\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the sleeve-lock latch enhance safety?\u003c\/h3\u003e\n\u003cp\u003eThe sleeve-lock latch fully surrounds the trailer ball, creating a secure, wobble-free engagement that stays latched under heavy torque. An integrated safety pin hole allows you to add a locking pin or clip for secondary retention, reducing the risk of accidental uncoupling.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSleeve-lock design ensures smooth, complete engagement around the ball\u003c\/li\u003e\n  \u003cli\u003eIntegrated pin hole accepts safety pins or locks for backup security\u003c\/li\u003e\n  \u003cli\u003eDesigned for reliable operation on high-speed and off-road trips\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this coupler suitable for DIY and custom trailer projects?\u003c\/h3\u003e\n\u003cp\u003eAbsolutely — its universal A-frame geometry and weld-on attachment make it a preferred choice for tiny house builds, custom utility trailers and professional repairs. The robust Class 4 rating gives builders the confidence to plan for heavy payloads without upgrading other tongue components unnecessarily.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUniversal A-frame profile fits standard trailer tongues\u003c\/li\u003e\n  \u003cli\u003eRecommended for tiny houses, horse trailers, and large RV projects\u003c\/li\u003e\n  \u003cli\u003ePermanent weld mount favored by professional fabricators and DIY builders\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This YEOPGYEON 2-5\/16\" A-frame weld-on coupler is intended for trailer owners and builders who need a commercial-strength, low-maintenance hitch solution — including horse trailer operators, RV and camper owners, tiny house builders and fleet managers. Choose this coupler when you want a permanent, secure connection rated for heavy loads and designed to stand up to demanding environments and long-term use.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What ball size does this coupler fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This coupler fits a standard 2-5\/16\" trailer ball, the common size for Class 4 towing applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I bolt this coupler on instead of welding?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It’s designed for permanent weld-on installation; bolting is not recommended due to potential loosening and reduced stability.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"YEOPGYEON","offers":[{"title":"Default Title","offer_id":48079867609246,"sku":"B08K2M589B","price":93.47,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/yeopgyeon-front-view-coupler.jpg?v=1785773486","url":"https:\/\/northtrailauto.ca\/products\/yeopgyeon-2-5-16-a-frame-trailer-coupler-12-500-lb-weld-on-alloy-steel-black-powder-coat","provider":"North Trail Auto","version":"1.0","type":"link"}