CURT Loaded Ball Mount 2-5/16 in Ball, 15,000 lb, 2 in Drop — Forged Steel with Factory-Installed Ball

CURT 45331 is a ready-to-use, forged loaded ball mount with a factory-installed 2-5/16" trailer ball rated for 15,000 lb gross trailer weight and 1,500 lb tongue weight.

This loaded ball mount arrives pre-assembled so you can hitch and go without installing or torquing a separate ball. Built from forged steel and finished in a carbide black powder coat, the 45331 balances heavy-duty strength with corrosion resistance. Its 2" x 2" shank fits standard 2" receiver hitches and the 2" drop helps achieve proper trailer level for many common heavy trailers.

How does this loaded ball mount save me time before towing?

The CURT 45331 comes with a factory-torqued 2-5/16" ball already secured to the mount, so there's no field assembly required. That eliminates the need to hunt for the correct ball, follow torque specs, or risk improper installation before hooking up.

• Pre-installed, factory-torqued 2-5/16" ball for immediate use
• Ships ready-to-tow—no separate ball or tools needed
• Consistent factory torque reduces installation error

Is the 15,000 lb rating suitable for my trailer needs?

The 15,000 lb gross trailer weight (GTW) and 1,500 lb tongue weight (TW) rating make this mount appropriate for many heavy-duty trailers, including large boats and campers. Always confirm the lowest rated component in your towing system—vehicle hitch, hitch receiver, ball mount, trailer coupler—before loading.

• 15,000 lb GTW and 1,500 lb TW capacity
• 2-5/16" ball fits common heavy-duty couplers
• Use with matching-rated hitch and trailer coupler only

Will this mount fit my vehicle’s hitch and level my trailer?

The 2" x 2" shank is designed for standard 2" receiver tubes; the mount length and 2" drop help set trailer height for many applications. Measure your vehicle-to-trailer geometry to ensure the 2" drop achieves the correct tow angle for safe, level towing.

• 2" x 2" shank fits common receiver openings
• 8-1/2" overall length with a 2" drop for leveling
• Recommend measuring tongue and hitch heights before purchase

How durable is the CURT 45331 for repeated heavy use?

Forged steel construction provides a high-strength core designed for heavy loads, while the carbide black powder coat protects against rust, chips, and UV exposure. Combined with factory assembly quality control, the 45331 is built to withstand demanding towing conditions when used within rated limits.

• Forged steel body for structural integrity
• Carbide black powder-coat guard against corrosion and wear
• Factory-assembled components for consistent performance

Who is this for? The CURT 45331 loaded ball mount is aimed at drivers who tow heavy trailers and want a dependable, out-of-the-box solution. It’s a good match for owners of full-size trucks and SUVs hauling large boat trailers, double-axle utility trailers, travel trailers, or heavy recreational loads—provided the vehicle and hitch are rated to match or exceed the mount’s capacity. If you need a pre-installed trailer ball with forged strength, corrosion resistance, and a predictable 2" drop, this model is designed to simplify hookup while meeting heavy-duty towing demands.