The Trailer Ball Mount 21181 from Hayman Reese is a purpose-built, heavy‑duty towing solution designed to keep your setup level, secure, and ready for long hauls. Built around a rigid shank and proven across caravan, trailer, and boat applications, this mount delivers dependable performance when it matters most.

Key features that set 21181 apart

• Impressive towing capacity: engineered for demanding tasks with a high‑torque rating up to 3,500 kg, giving you confidence on rugged backroads or long highway stretches.
• Rigid, precise alignment: a solid shank minimizes movement under load, promoting smoother towing and better trailer–vehicle alignment.
• Ball size versatility: compatible with standard tow ball diameters of 1" or 7/8", enabling quick matching to a wide range of couplers without swapping hardware.
• Flexible height adjustment: multiple drop lengths—76 mm, 98 mm, 125 mm, and 160 mm—so you can level your trailer for stable handling and level tow performance.
• Tailored fit for your vehicle: TBM shank lengths vary by model (approximately 114–305 mm) to suit different receiver heights and mounting geometries.
• Compact geometry for clearance: pin‑to‑rear measurements stay within 66–83 mm, maintaining proper clearance with your vehicle and trailer setup.
• Part of a trusted ecosystem: designed to integrate with Hayman Reese 211‑series and TBM family components, with compatible variants such as T40381, T40382, 21171, 21177, 21196, 21168, 21161, 21163, and 21126.

Who this is for and practical uses

Ideal for caravan owners, horse and livestock trailer operators, boat trailer enthusiasts, and anyone upgrading a worn or undersized hitch component. If you need a robust mounting point that adapts to different trailer heights and coupler sizes, the Trailer Ball Mount 21181 covers a broad spectrum of towing scenarios.

What problems does it solve?

• Level towing to minimize sway and enhance control on diverse road conditions.
• Broad compatibility with both 1" and 7/8" ball diameters, eliminating the need for multiple adapters.
• Durable construction that stands up to highway journeys and off‑road excursions while preserving precise alignment under load.

Real‑world use cases and tips for best results

Before you tow, assess your vehicle’s hitch height and your trailer’s coupler height. Choose a drop length that achieves level towing for optimal stability. Confirm the correct ball size for your coupler and ensure the chosen shank length and pin‑to‑rear clearance suit your receiver and mounting geometry. Regularly inspect the ball, mount, and securing hardware to keep performance reliable trip after trip.

With the Trailer Ball Mount 21181, you gain a flexible, durable, and compatible towing solution that helps you tow with confidence, no matter your gear—caravan, horse trailer, or boat trailer—while keeping your setup perfectly aligned for safer, smoother journeys.