Description
Overview
CURT Forged Loaded Ball Mount (45371) is designed for heavy-duty trailer towing applications requiring a complete, ready-to-use hitch ball mount assembly.
| Specification | Value |
|---|---|
| MPN | 45371 |
| Brand | CURT |
| Weight | 21.4 lb |
| Ball Size | 2-5/16 Inch |
| Drop | 2 Inches |
| Gross Trailer Weight (GTW) Capacity | 20,000 lb |
| Tongue Weight (TW) Capacity | 2,000 lb |
| Finish | Carbide Black Powder Coat |
| Construction | Forged Steel |
| Color | Black |
Technical Features
- Factory-torqued 2-5/16″ trailer ball included: The ball arrives pre-installed and torqued to specification, eliminating the need for on-site mounting or torque tools before use.
- Forged steel construction: Forging produces a denser, higher-strength component compared to standard cast or welded assemblies, supporting the 20,000 lb GTW and 2,000 lb tongue weight ratings.
- 20,000 lb Gross Trailer Weight capacity: Rated for heavy-duty towing loads including large multi-axle trailers and recreational vehicle transports.
- 2,000 lb tongue weight capacity: Accommodates the downward force exerted by heavily loaded trailers at the hitch point.
- 2-inch drop: Provides the receiver-to-ball height offset required to achieve a level tow on vehicles where the receiver tube sits higher than the trailer coupler.
- Carbide black powder coat finish: Applied finish resists rust, chipping, and UV damage, extending service life in outdoor and weather-exposed towing environments.
- Includes pin and clip: Hardware for securing the ball mount into the receiver tube is included, making the assembly complete out of the box with no additional hardware purchases required.
Applications
- Large boat trailers requiring a 2-5/16″ coupler ball
- Double-axle utility trailers operating within the 20,000 lb GTW rating
- Deluxe and fifth-wheel-style camper trailers
- Livestock trailers
- Recreational vehicle trailers used for hauling motorcycles, personal watercraft, and ATVs
Important: Never exceed the lowest weight capacity of any single towing component in the system including the vehicle, hitch receiver, ball mount, trailer ball, and trailer coupler. The limiting component determines the maximum safe towing capacity for the entire setup.






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