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CURT Trailer Ball: III/IV, 7,500 lb Gross Vehicle Wt Capacity, 2 in Ball Dia - Hitch Balls
CURTHitch Balls

CURT Trailer Ball: III/IV, 7,500 lb Gross Vehicle Wt Capacity, 2 in Ball Dia

The CURT Trailer Ball: III/IV (MPN 40170) is a steel, chrome-finished hitch ball with a 2 in ball diameter and a gross vehicle weight capacity of 7,500 lb. This trailer ball is designed for towing applications…

SKU 3G-OTH-480507

Brand
CURT
Item
Trailer Ball: III/IV, 7,500 lb Gross Vehicle Wt Capacity, 2 in Ball Dia
Category
Hitch Balls
Available to Order
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Technical specs
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

CURT
Manufacturer Part Number
40170
Type
Steel, Chrome
Material
Steel
Finish
Chrome
Ball Dia
2 in
Ball Type
Trailer Ball
Gross Vehicle Wt Capacity
7,500 lb

Technical Documents

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CURT Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CURT Trailer Ball: III/IV (MPN 40170) is a steel, chrome-finished hitch ball with a 2 in ball diameter and a gross vehicle weight capacity of 7,500 lb. This trailer ball is designed for towing applications requiring a Class III/IV hitch.

Frequently Asked Questions

What is the CURT 40170 trailer ball used for?

The CURT 40170 trailer ball is used for towing trailers with a Class III or IV hitch. It supports a gross vehicle weight capacity of 7,500 lb and has a 2 in ball diameter, making it suitable for medium-duty towing applications such as boat trailers, utility trailers, and campers.

What are the specifications of the CURT 40170 trailer ball?

The CURT 40170 trailer ball is made of steel with a chrome finish. It has a 2 in ball diameter and a gross vehicle weight capacity of 7,500 lb. It is designed for Class III/IV hitches and is manufactured by CURT under part number 40170.

Where to buy the CURT 40170 trailer ball worldwide?

3G Electric supplies the CURT 40170 trailer ball to customers worldwide. As a global industrial solutions provider, we handle logistics, customs clearance, and delivery to your location. Contact us to order this chrome-finished steel hitch ball for your towing needs.

How to select the right trailer ball for a Class III hitch?

To select the right trailer ball for a Class III hitch, match the ball diameter to your trailer coupler size—commonly 2 in. Ensure the ball's gross vehicle weight capacity, such as 7,500 lb for the CURT 40170, meets or exceeds your trailer's loaded weight. Also verify the shank diameter fits your hitch.

Used in

Common applications for CURT
Fleet maintenance — CURT Box End Wrench (MPN 20001) for tightening hitch bolts and trailer fasteners
Construction site security — CURT Automotive Hitch Lock (MPN 23666) for securing equipment trailers and tool boxes
Warehouse operations — CURT cable locks for temporary locking of roll cages or pallet racks
Field service — CURT wrenches for on-site repair of towing equipment on service vehicles
Event logistics — CURT hitch locks for securing temporary barriers or stage equipment

CURT 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.

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