{"product_id":"curt-2-5-16-inch-chrome-trailer-hitch-ball-10-000-lb-capacity-1-x-2-1-4-shank-nickel-chrome","title":"CURT 2-5\/16-Inch Chrome Trailer Hitch Ball, 10,000 lb Capacity — 1\" x 2-1\/4\" Shank, Nickel-Chrome","description":"\u003cp\u003e\u003cstrong\u003eCURT 40007 is a heavy-duty 2-5\/16-inch chrome trailer hitch ball rated for 10,000 pounds, built with forged steel and a 1\" x 2-1\/4\" shank for secure, corrosion-resistant towing.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen you need a dependable connection between tow vehicle and trailer, the CURT 40007 delivers a robust, precision-made hitch ball sized for 2-5\/16\" couplers. Finished in nickel-chrome to resist the elements and manufactured to U.S. VESC standards, this ball is designed to pair with Class 5 hitches and mounts that match or exceed its rating. It includes a zinc-plated hex nut and helical lock washer and uses fine threads for tight installation.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this hitch ball handle heavy loads?\u003c\/h3\u003e\n\u003cp\u003eThe CURT 40007 is forged for strength and stamped with a 10,000 lb gross trailer weight rating, giving it the structural capacity needed for many heavy towing tasks when paired with compatible tow components. Testing to industry specs helps ensure consistent performance under load.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e10,000 lb gross trailer weight rating\u003c\/li\u003e\n  \u003cli\u003eHot-forged steel construction for tensile strength\u003c\/li\u003e\n  \u003cli\u003eTested to U.S. VESC specifications for reliability\u003c\/li\u003e\n  \u003cli\u003eDesigned to work with Class 5 hitches and mounts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this fit my trailer coupler and ball mount?\u003c\/h3\u003e\n\u003cp\u003eThis ball is sized to the common 2-5\/16\" coupler diameter and features a 1\" shank diameter with a 2-1\/4\" shank length to fit standard ball mounts. Verify the receiver, ball mount hole, and coupler sizes on your towing setup before installation to avoid mismatches.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e2-5\/16\" ball diameter for matching couplers\u003c\/li\u003e\n  \u003cli\u003e1\" shank diameter x 2-1\/4\" shank length for secure mounting\u003c\/li\u003e\n  \u003cli\u003eFine threads and required torque (250 lb-ft) for proper clamp-down\u003c\/li\u003e\n  \u003cli\u003eIncludes zinc-plated hex nut and helical lock washer\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow well will the finish stand up to weather and road conditions?\u003c\/h3\u003e\n\u003cp\u003eThe nickel-chrome plating provides a protective barrier against moisture, road grime, and rust, extending the service life of the ball in outdoor use. Routine inspection and cleaning will help maintain the finish and prevent corrosion where road salt or abrasive debris are present.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNickel-chrome finish for corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eChrome plating reduces surface wear and pitting\u003c\/li\u003e\n  \u003cli\u003eEasy to wipe clean after exposure to mud or salt\u003c\/li\u003e\n  \u003cli\u003eRecommended periodic checks for wear and thread integrity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I consider during installation and maintenance?\u003c\/h3\u003e\n\u003cp\u003eInstall the ball using the supplied nut and lock washer, tightening to the specified torque for a secure fit. Inspect the ball, nut, and threads regularly; replace any component that shows significant wear, deformation, or corrosion.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTorque requirement: 250 lb-ft for proper clamp force\u003c\/li\u003e\n  \u003cli\u003eUse the included zinc-plated hex nut and helical lock washer\u003c\/li\u003e\n  \u003cli\u003eCheck threads and shank seat for damage before each trip\u003c\/li\u003e\n  \u003cli\u003eLubricate minimally and clean off corrosive residues after use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The CURT 40007 suits owners of Class 5 towing systems and heavy-duty trailers — including dump trailers, dual-axle utilities, toy haulers, larger RVs, and similar loads — who need a high-capacity, precision-fit hitch ball. If your vehicle, hitch, and trailer components all meet or exceed a 10,000 lb rating and you use a 2-5\/16\" coupler, this CURT ball provides a durable, tested connection. Always ensure the lowest-rated towing component determines your maximum safe weight and follow manufacturer torque and inspection recommendations.\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 is the towing capacity of the CURT 40007 hitch ball?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The CURT 40007 is rated for a 10,000 lb gross trailer weight when used with compatible towing components.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the shank dimensions and installation requirements?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It has a 1\" shank diameter and 2-1\/4\" length, uses a zinc-plated nut and lock washer, and requires 250 lb-ft torque for installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"CURT","offers":[{"title":"Default Title","offer_id":67592635482297,"sku":"B0009TAOGW","price":65.97,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/curt-40007-front-view.jpg?v=1790566549","url":"https:\/\/redleafauto.ca\/products\/curt-2-5-16-inch-chrome-trailer-hitch-ball-10-000-lb-capacity-1-x-2-1-4-shank-nickel-chrome","provider":"Redleaf Auto","version":"1.0","type":"link"}