CURT Trailer Ball: V, 15,000 lb Gross Vehicle Wt Capacity, 2 5/16 in Ball Dia
The CURT Trailer Ball: V (MPN 40178) is a steel, chrome-finished hitch ball with a 2 5/16 in ball diameter and a 15,000 lb gross vehicle weight capacity. This OEM CURT product is a trailer ball designed for towing…
SKU 3G-OTH-480529
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Product Description
The CURT Trailer Ball: V (MPN 40178) is a steel, chrome-finished hitch ball with a 2 5/16 in ball diameter and a 15,000 lb gross vehicle weight capacity. This OEM CURT product is a trailer ball designed for towing applications.
Frequently Asked Questions
What is the CURT 40178 trailer ball used for?
The CURT 40178 is a steel, chrome-finished hitch ball used for towing trailers, boats, and equipment. With a 2 5/16 in ball diameter and 15,000 lb gross vehicle weight capacity, it suits heavy-duty towing applications across agriculture, construction, and logistics.
What are the specifications of the CURT 40178 trailer ball?
The CURT 40178 is a steel trailer ball with a chrome finish, 2 5/16 in ball diameter, and 15,000 lb gross vehicle weight capacity. It is a V-type ball from CURT, designed for reliable towing. Material is steel; finish is chrome.
Where to buy the CURT 40178 trailer ball worldwide?
3G Electric supplies the CURT 40178 trailer ball worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this 15,000 lb capacity, chrome-finished hitch ball to your location. Contact us for availability and delivery.
How to select the right CURT trailer ball for my towing needs?
Select a CURT trailer ball by matching ball diameter to your coupler size and ensuring the gross vehicle weight capacity exceeds your trailer's loaded weight. For the CURT 40178, use a 2 5/16 in coupler and verify your trailer does not exceed 15,000 lb. Always follow manufacturer guidelines.
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.









