We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

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 40037) is a 2-inch diameter, chrome-plated steel hitch ball with a gross vehicle weight capacity of 7,500 lb. This Class III/IV trailer ball is designed for towing applications…

SKU 3G-OTH-480522

Brand
CURT
Item
Trailer Ball: III/IV, 7,500 lb Gross Vehicle Wt Capacity, 2 in Ball Dia
Category
Hitch Balls
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
40037
Type
Steel, Chrome, Silver
Material
Steel
Finish
Chrome
Ball Dia
2 in
Ball Type
Trailer Ball
Gross Vehicle Wt Capacity
7,500 lb

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The CURT Trailer Ball: III/IV (MPN 40037) is a 2-inch diameter, chrome-plated steel hitch ball with a gross vehicle weight capacity of 7,500 lb. This Class III/IV trailer ball is designed for towing applications requiring a 2-inch ball diameter.

Frequently Asked Questions

What is the CURT 40037 trailer ball used for?

The CURT 40037 is a Class III/IV trailer ball used for towing trailers, boats, or campers that require a 2-inch ball diameter. It supports up to 7,500 lb gross vehicle weight. 3G Electric supplies this chrome-plated steel hitch ball for industrial and recreational towing applications worldwide.

What are the specifications of the CURT 40037 trailer ball?

The CURT 40037 has a 2-inch ball diameter, 7,500 lb gross vehicle weight capacity, and is made of chrome-plated steel. It is a Class III/IV trailer ball with a chrome finish. 3G Electric sources this CURT hitch ball for global delivery.

Where to buy the CURT 40037 trailer ball worldwide?

3G Electric supplies the CURT 40037 trailer ball worldwide. As a global industrial solutions provider, we handle logistics, customs clearance, and delivery to your location. Contact us to order this chrome-plated steel hitch ball for your towing needs.

How to select the right trailer ball for a 2-inch coupler?

For a 2-inch coupler, choose a trailer ball with a 2-inch diameter and a weight rating matching your trailer's gross vehicle weight. The CURT 40037 offers 7,500 lb capacity and a chrome finish for corrosion resistance. 3G Electric can help you source the correct CURT ball for your application.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from CURT

View all CURT parts
CURT Gooseneck Ball: 30,000 lb Gross Vehicle Wt Capacity, 2 5/16 in Ball Dia, Alloy Steel, Chrome (MPN 60601)
CURT
CURT Gooseneck Ball: 30,000 lb Gross Vehicle Wt Capacity, 2 5/16 in Ball Dia, Alloy Steel, Chrome (MPN 60601)
CURT Trailer Ball: III/IV, 6,000 lb Gross Vehicle Wt Capacity, 2 in Ball Dia, Steel, Chrome, Silver (MPN 40020)
CURT
CURT Trailer Ball: III/IV, 6,000 lb Gross Vehicle Wt Capacity, 2 in Ball Dia, Steel, Chrome, Silver (MPN 40020)
CURT Trailer Ball: V, 15,000 lb Gross Vehicle Wt Capacity, 2 5/16 in Ball Dia, Steel, Chrome (MPN 40178)
CURT
CURT Trailer Ball: V, 15,000 lb Gross Vehicle Wt Capacity, 2 5/16 in Ball Dia, Steel, Chrome (MPN 40178)
CURT Trailer Ball: III/IV, 10,000 lb Gross Vehicle Wt Capacity, 2 in Ball Dia, Steel, Chrome, Silver (MPN 40090)
CURT
CURT Trailer Ball: III/IV, 10,000 lb Gross Vehicle Wt Capacity, 2 in Ball Dia, Steel, Chrome, Silver (MPN 40090)
CURT Trailer Ball: III/IV, 3,500 lb Gross Vehicle Wt Capacity, 2 in Ball Dia, Steel, Chrome, Silver (MPN 40019)
CURT
CURT Trailer Ball: III/IV, 3,500 lb Gross Vehicle Wt Capacity, 2 in Ball Dia, Steel, Chrome, Silver (MPN 40019)
CURT Trailer Ball: III/IV, 6,000 lb Gross Vehicle Wt Capacity, 2 in Ball Dia, Stainless Steel (MPN 40053)
CURT
CURT Trailer Ball: III/IV, 6,000 lb Gross Vehicle Wt Capacity, 2 in Ball Dia, Stainless Steel (MPN 40053)
CURT Trailer Ball: III/IV, 3,500 lb Gross Vehicle Wt Capacity, 2 in Ball Dia, Steel, Chrome, Silver (MPN 40018)
CURT
CURT Trailer Ball: III/IV, 3,500 lb Gross Vehicle Wt Capacity, 2 in Ball Dia, Steel, Chrome, Silver (MPN 40018)
CURT Trailer Ball: I/II, 2,000 lb Gross Vehicle Wt Capacity, 1 7/8 in Ball Dia, Steel, Chrome (MPN 40015)
CURT
CURT Trailer Ball: I/II, 2,000 lb Gross Vehicle Wt Capacity, 1 7/8 in Ball Dia, Steel, Chrome (MPN 40015)