{"product_id":"curt-2-5-16-trailer-hitch-ball-25-000-lb-capacity-raw-steel-1-1-4-x-2-5-8-shank","title":"CURT 2-5\/16\" Trailer Hitch Ball, 25,000 lb Capacity — Raw Steel, 1-1\/4\" x 2-5\/8\" Shank","description":"\u003cstrong\u003eCURT 40086 is a heavy-duty 2-5\/16-inch trailer hitch ball engineered from hot-forged raw steel to tow up to 25,000 pounds.\u003c\/strong\u003e\n\nBuilt for commercial-grade towing tasks, this CURT trailer ball combines high tensile strength, heat-treated wear resistance, and a secure attachment system to handle class 5 loads. The 2-5\/16\" diameter matches standard heavy couplers while the 1-1\/4\" x 2-5\/8\" shank and included zinc-plated hex nut with helical lock washer deliver a dependable connection to your ball mount. CURT tests to U.S. VESC specifications so the component meets recognized safety criteria when installed and used within the limits of your vehicle and trailer configuration.\n\n\u003ch3\u003eHow robust is this hitch ball for heavy towing?\u003c\/h3\u003e\n\u003cp\u003eThe CURT 40086 is rated for a gross trailer weight of 25,000 pounds and is forged from hot-steel for maximum load-bearing capacity. Heat treatment increases surface wear resistance so the ball withstands repeated hookups and heavy use without premature deformation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e25,000 lb gross trailer weight rating\u003c\/li\u003e\n\u003cli\u003eHot-forged raw steel construction for strength\u003c\/li\u003e\n\u003cli\u003eHeat-treated finish to resist wear under heavy loads\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it fit my trailer coupler and hitch mount?\u003c\/h3\u003e\n\u003cp\u003eThis trailer ball uses a 2-5\/16\" diameter ball designed to mate with standard 2-5\/16\" couplers commonly found on class 5 and many heavy-duty trailers. The shank measures 1-1\/4\" in diameter and 2-5\/8\" long, which fits most ball mounts built for these dimensions—verify shank hole size and available length before installation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBall diameter: 2-5\/16\" for standard heavy-duty couplers\u003c\/li\u003e\n\u003cli\u003eShank: 1-1\/4\" diameter, 2-5\/8\" length\u003c\/li\u003e\n\u003cli\u003eCheck mount hole size and available shank length prior to use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat hardware and installation steps are included?\u003c\/h3\u003e\n\u003cp\u003eThe CURT 40086 ships with a zinc-plated hex nut and a helical lock washer to secure the shank against loosening. Fine threads and a recommended torque (450 lb-ft) provide the clamping force needed; use the specified torque and a properly sized wrench for safe installation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIncludes zinc-plated hex nut and helical lock washer\u003c\/li\u003e\n\u003cli\u003eFine threads for strong clamping force\u003c\/li\u003e\n\u003cli\u003eRecommended installation torque: 450 lb-ft\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the raw steel finish affect performance and maintenance?\u003c\/h3\u003e\n\u003cp\u003eThe raw steel finish emphasizes strength and durability for heavy-duty towing; it resists the crushing and shear stresses associated with large loads. Routine inspection and light corrosion protection (grease or rust inhibitor) will preserve the shank and threaded connection over time.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRaw steel offers high structural integrity for heavy-duty use\u003c\/li\u003e\n\u003cli\u003ePeriodic inspection and corrosion protection recommended\u003c\/li\u003e\n\u003cli\u003eReplace if threads or ball surface show significant wear or deformation\u003c\/li\u003e\n\u003c\/ul\u003e\n\nWho is this for: The CURT 40086 is intended for professional haulers, farm and construction operators, and owners of heavy trailers—dump trailers, toy haulers, dual-axle utility trailers, large RVs and similar rigs—who need a robust 2-5\/16\" hitch ball that matches class 5 towing equipment. Always confirm the lowest rated component in your towing system (vehicle, hitch, ball mount, coupler) before towing and follow torque and maintenance guidance to maintain safe operation.\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 weight capacity of the CURT 40086?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This 2-5\/16\" hitch ball is rated for a 25,000-pound gross trailer weight when used within system limits.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What torque is required to install this trailer ball?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Install with the provided hardware and tighten to the specified 450 lb-ft torque for a secure fit.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"CURT","offers":[{"title":"Default Title","offer_id":55168528908631,"sku":"B00IWTAEGG","price":64.92,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/curt-40086-front-view.jpg?v=1790406913","url":"https:\/\/britishgarage.co.uk\/products\/curt-2-5-16-trailer-hitch-ball-25-000-lb-capacity-raw-steel-1-1-4-x-2-5-8-shank","provider":"British Garage","version":"1.0","type":"link"}