CURT Trailer Ball: III/IV, 3,500 lb_6,000 lb Gross Vehicle Wt Capacity
The CURT Trailer Ball: III/IV (MPN 42178) is a steel hitch ball with a chrome finish, offering a 3,500 lb to 6,000 lb gross vehicle weight capacity and dual ball diameters of 2 in and 1 7/8 in. 3G Electric interprets…
SKU 3G-OTH-480499
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Product Description
The CURT Trailer Ball: III/IV (MPN 42178) is a steel hitch ball with a chrome finish, offering a 3,500 lb to 6,000 lb gross vehicle weight capacity and dual ball diameters of 2 in and 1 7/8 in. 3G Electric interprets customer demand and delivers this genuine industrial equipment across 14 departments — and far more — with specialist depth in combustion, pumps and controls as an authorised distributor.
Frequently Asked Questions
What is the CURT trailer ball 42178 used for?
The CURT trailer ball 42178 is used for towing trailers, boats, or equipment with a gross vehicle weight capacity of 3,500 lb to 6,000 lb. Its dual ball diameters of 2 in and 1 7/8 in fit standard couplers. 3G Electric supplies this genuine CURT steel hitch ball with chrome finish for industrial towing applications worldwide.
What are the specifications of the CURT trailer ball 42178?
The CURT trailer ball 42178 has a gross vehicle weight capacity of 3,500 lb to 6,000 lb, dual ball diameters of 2 in and 1 7/8 in, a chrome finish, and is made of steel. The manufacturer part number is 42178. 3G Electric sources this genuine CURT hitch ball for global delivery.
Where to buy the CURT trailer ball 42178 worldwide?
3G Electric supplies the genuine CURT trailer ball 42178 worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this steel hitch ball with chrome finish and dual ball diameters to your location. Contact us for availability and lead time.
How to select the right CURT trailer ball for my towing needs?
Select a CURT trailer ball by matching its gross vehicle weight capacity to your trailer's GVWR and ensuring the ball diameter fits your coupler. The CURT 42178 offers 3,500 lb to 6,000 lb capacity with 2 in and 1 7/8 in diameters. 3G Electric can help interpret your requirements and source the correct CURT hitch ball.
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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.









