CURT Trailer Ball: III/IV, 10,000 lb Gross Vehicle Wt Capacity, 2 in Ball Dia
The CURT Trailer Ball: III/IV (MPN 40090) is a steel, chrome-finished hitch ball with a 2-inch ball diameter and a gross vehicle weight capacity of 10,000 lb. This trailer ball is designed for towing applications…
SKU 3G-OTH-480511
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Product Description
The CURT Trailer Ball: III/IV (MPN 40090) is a steel, chrome-finished hitch ball with a 2-inch ball diameter and a gross vehicle weight capacity of 10,000 lb. This trailer ball is designed for towing applications requiring a Class III/IV hitch.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the CURT 40090 trailer ball used for?
The CURT 40090 trailer ball is used for towing trailers, boats, or campers that require a Class III/IV hitch. Its 2-inch ball diameter and 10,000 lb gross vehicle weight capacity make it suitable for heavy-duty towing applications in agriculture, construction, and logistics.
What are the specifications of the CURT 40090 trailer ball?
The CURT 40090 trailer ball has a 2-inch ball diameter, a 10,000 lb gross vehicle weight capacity, and a chrome finish over steel construction. It is a Class III/IV hitch ball with manufacturer part number 40090, designed for reliable towing performance.
Where to buy the CURT 40090 trailer ball worldwide?
3G Electric supplies the CURT 40090 trailer ball worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this chrome-finished steel hitch ball for your towing needs.
How to install the CURT 40090 trailer ball?
To install the CURT 40090 trailer ball, select a compatible Class III/IV hitch shank, insert the ball into the shank, and tighten the nut to the manufacturer's recommended torque. Always verify the ball diameter matches your coupler and that the gross vehicle weight capacity exceeds your load.
Used in
Common applications for CURTCURT Products
3G Electric supplies CURT hitch balls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









