{"product_id":"curt-x5-gooseneck-to-5th-wheel-adapter-plate-16310-bw-square-shank","title":"CURT X5 Gooseneck-to-5th-Wheel Adapter Plate | 16310 | For B\u0026W Turnoverball | 20K","description":"\u003cp\u003eConvert your gooseneck hitch into a set of 5th wheel rails with the \u003cstrong\u003eCURT X5 Gooseneck-to-5th-Wheel Adapter Plate (Part #16310)\u003c\/strong\u003e. Designed for \u003cstrong\u003eB\u0026amp;W (Turnoverball and compatible) gooseneck hitches\u003c\/strong\u003e — the adapter's square shank inserts into the gooseneck ball hole and locks with your hitch's existing locking mechanism. Provides \u003cstrong\u003eindustry-standard 5th wheel base rails\u003c\/strong\u003e on top to accept any rail-mount 5th wheel hitch. Rated to \u003cstrong\u003e20,000 lb gross trailer weight\u003c\/strong\u003e. Practically instantaneous conversion — no assembly or tools required. Backed by CURT's limited lifetime warranty.\u003c\/p\u003e\n\n\u003ch3\u003e⭐ Instantaneous Gooseneck → 5th Wheel Conversion\u003c\/h3\u003e\n\u003cp\u003eStandout convenience benefit vs installing dedicated 5th wheel rails: \u003cstrong\u003einsert the shank, apply the locking mechanism, and you have a sturdy pair of 5th wheel rails\u003c\/strong\u003e. Meaningful for:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOccasional 5th wheel towing\u003c\/strong\u003e — gooseneck as primary, 5th wheel when needed\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuyers with an under-bed gooseneck already installed\u003c\/strong\u003e — no need to install a second setup\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull truck bed access preserved\u003c\/strong\u003e — remove the adapter and the gooseneck hitch when not towing either\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eNo drilling, no permanent modifications\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e⭐ Multi-Point Mounting\u003c\/h3\u003e\n\u003cp\u003eThe adapter plate features \u003cstrong\u003emultiple mounting points\u003c\/strong\u003e that accept either 5th wheel legs or a 5th wheel roller. Meaningful compatibility with the full range of rail-mount 5th wheel hitches on the market.\u003c\/p\u003e\n\n\u003ch3\u003eGooseneck Hitch Compatibility\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eThis adapter is designed for B\u0026amp;W (Turnoverball and compatible) gooseneck hitches (square shank).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e⚠️ B\u0026amp;W fitment note:\u003c\/strong\u003e Hitch must accept a gooseneck ball with 2\" from the bottom of the shank to the center of the locking pin hole. Not compatible with shallow-hole gooseneck hitches (shank hole is 2.25\" from plate surface).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNot compatible with:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCURT OEM-style gooseneck hitches\u003c\/li\u003e\n  \u003cli\u003eTurret-style pin boxes (Sidewinder, Turning Point, etc.)\u003c\/li\u003e\n  \u003cli\u003eAuto-slide 5th wheel hitches\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eComplete CURT X5 Adapter Lineup\u003c\/h3\u003e\n\u003cp\u003eCURT makes X5 adapters for different gooseneck hitch types — pick the one that matches your existing GN hitch:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/en-au\/products\/curt-x5-gooseneck-to-5th-wheel-adapter-plate-16210-double-lock\"\u003e#16210 — For Double Lock (round shank)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/en-au\/products\/curt-x5-gooseneck-to-5th-wheel-adapter-plate-16220-double-lock-ezr\"\u003e#16220 — For Double Lock EZr (round shank)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e#16310 — For B\u0026amp;W Turnoverball (square shank)\u003c\/strong\u003e ⬅ THIS UNIT\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: 16210 and 16220 both use round shanks but differ in shank length — 16210 is for standard CURT Double Lock hitches, 16220 is specifically for the CURT Double Lock EZr line. Not interchangeable.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003e5th Wheel Hitch Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe adapter provides \u003cstrong\u003eindustry-standard 5th wheel base rails\u003c\/strong\u003e that accept:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAll CURT rail-mount 5th wheel hitches\u003c\/strong\u003e up to 20,000 lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMost competitor rail-mount 5th wheel hitches\u003c\/strong\u003e up to 20,000 lb\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003e5th wheel rollers\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWeight capacities are limited to the lowest-rated towing component (gooseneck hitch + adapter + 5th wheel hitch).\u003c\/p\u003e\n\n\u003ch3\u003eRugged Construction \u0026amp; Safety Certification\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003eConstructed from carbon steel\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCarbide black powder coat finish\u003c\/strong\u003e — resists rust and scratches\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eTested to SAE J2638 safety standards\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCross-Reference Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 16310\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 612314163106\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e⚠️ Freight Note\u003c\/h3\u003e\n\u003cp\u003eThe X5 adapter plate is a heavy, bulky item (approximately 106 lb shipping weight). May ship LTL\/freight depending on carrier — please review shipping details.\u003c\/p\u003e\n\n\u003ch3\u003eLimited Lifetime Warranty\u003c\/h3\u003e\n\u003cp\u003eBacked by CURT's \u003cstrong\u003elimited lifetime warranty\u003c\/strong\u003e (one-year finish, one-year parts).\u003c\/p\u003e\n\n\u003ch3\u003eGenuine CURT OEM\u003c\/h3\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenuine CURT OEM\u003c\/strong\u003e X5 Gooseneck-to-5th-Wheel Adapter Plate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 16310\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 612314163106\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e⭐ Converts gooseneck hitch to 5th wheel rails\u003c\/strong\u003e — no additional installation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e⭐ Practically instantaneous\u003c\/strong\u003e — drop in, lock, tow\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e⭐ Multiple mounting points\u003c\/strong\u003e — accepts legs or rollers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGooseneck compatibility:\u003c\/strong\u003e B\u0026amp;W (Turnoverball and compatible)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank type:\u003c\/strong\u003e Square\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGross trailer weight capacity:\u003c\/strong\u003e 20,000 lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5th wheel hitch compatibility:\u003c\/strong\u003e Industry-standard rail-mount (CURT + competitors)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Carbide black powder coat\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eTested to SAE J2638 safety standards\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003eBacked by limited lifetime warranty (one-year finish, one-year parts)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBrand: CURT\u003c\/li\u003e\n  \u003cli\u003ePart Number: 16310\u003c\/li\u003e\n  \u003cli\u003eUPC: 612314163106\u003c\/li\u003e\n  \u003cli\u003eType: Gooseneck-to-5th-Wheel Adapter Plate (X5 Series)\u003c\/li\u003e\n  \u003cli\u003eGooseneck Hitch Compatibility: B\u0026amp;W (Turnoverball and compatible)\u003c\/li\u003e\n  \u003cli\u003eShank: Square\u003c\/li\u003e\n  \u003cli\u003eGross Trailer Weight Capacity: 20,000 lb\u003c\/li\u003e\n  \u003cli\u003eMounting Points: Multiple (accepts 5th wheel legs or roller)\u003c\/li\u003e\n  \u003cli\u003eFinish: Carbide black powder coat\u003c\/li\u003e\n  \u003cli\u003eApproximate Shipping Weight: 106 lb\u003c\/li\u003e\n  \u003cli\u003eSafety Standard: SAE J2638 tested\u003c\/li\u003e\n  \u003cli\u003eWarranty: Limited lifetime (one-year finish, one-year parts)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CURT","offers":[{"title":"Default Title","offer_id":58388008337711,"sku":"16310","price":1066.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/7663\/0063\/files\/16310_1024x768_a.jpg?v=1788282048","url":"https:\/\/thervsurplus.com\/en-au\/products\/curt-x5-gooseneck-to-5th-wheel-adapter-plate-16310-bw-square-shank","provider":"The RV Surplus","version":"1.0","type":"link"}