CURT 45456 Forged 2-1/2" Ball Mount — 2-1/2" Shank, 20,000 lb GTW, Carbide Powder-Coat

CURT 45456 is a one-piece forged steel 2-1/2" ball mount built for heavy commercial towing with a 20,000 lb gross trailer weight and 2,700 lb tongue weight capacity.

Designed for contractors, fleet trucks, and serious towing tasks, the CURT 45456 forged ball mount delivers rugged, zero-weld construction and a carbide powder-coat finish to stand up to daily abuse. It fits 2-1/2" x 2-1/2" receivers and pairs with class 5 commercial hitches to provide a dependable connection for large trailers, car haulers, and utility rigs. This description explains its capabilities, mounting details, and the situations where it’s the most useful.

How does this ball mount handle heavy-duty towing?

The CURT forged ball mount uses a single-piece forged-steel design to eliminate weld points that can weaken under repeated heavy loads. Its engineering supports up to 20,000 lb gross trailer weight and 2,700 lb tongue weight when matched with compatible hitch and vehicle ratings.

• Solid, one-piece forged construction resists fatigue and stress.
• 20,000 lb GTW and 2,700 lb TW when system components allow.
• Fits 2-1/2" x 2-1/2" receiver openings standard on heavy trucks.
• 1-1/4" ball hole accepts commonly used hitch balls for commercial trailers.

What are the physical dimensions and fitment details?

This model provides a 2" drop and a 1/2" rise with an overall length of 8-1/2", designed to clear trailer tongues and allow correct trailer level. The 2-1/2" square shank fits receivers with that opening and requires a matching pin and clip or locking hitch pin for secure attachment.

• Shank size: 2-1/2" x 2-1/2" for commercial receivers.
• Drop/Rise: 2" drop, 1/2" rise to help level trailers.
• Length: 8-1/2" from shank to ball hole center for clearance.
• Ball hole: 1-1/4" to fit standard large hitch balls.

How does the finish protect the mount in the field?

The unit receives a black carbide powder-coat that creates a tough barrier against corrosion, scratches and UV damage commonly encountered on job sites. This finish increases service life and reduces maintenance compared with bare steel, keeping the mount functional season after season.

• Carbide powder-coat resists rust and surface wear.
• Durable against abrasion from chains, straps, and loading activity.
• UV-resistant coating prevents premature fading and degradation.
• Easy to wipe clean after exposure to mud, salt, or grease.

Which trailers and vehicles work best with this ball mount?

Because of its high rating and heavy construction, the CURT 45456 is suited to full-size pickups, flatbeds, commercial trucks, and other vehicles equipped with a 2-1/2" receiver and adequate towing capacity. Use it for multi-axle utility trailers, car haulers, dump trailers, livestock trailers, and similar large loads—always adhering to the lowest rated component in your towing setup.

• Common pairings: class 5 commercial hitches and full-size pickup receivers.
• Trailer types: car haulers, dump boxes, utility trailers, RVs, small yachts.
• Recommended on trucks with matching tongue and hitch ratings.
• Not a substitute for components rated below the mount’s capacities.

Who this is for: The CURT 45456 forged ball mount is aimed at professionals, fleet operators, and serious tow vehicle owners who need a reliable, high-capacity hitch accessory. If you run heavy trailers frequently or require a durable, low-maintenance connection that won’t weaken from welded joints, this mount is engineered to meet those needs when installed with compatible towing components.