Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
CURT 40004 Trailer Ball, 2 in, 6,000 lb Capacity, Chrome Steel - Hitch Balls
CURTHitch Balls

CURT 40004 Trailer Ball, 2 in, 6,000 lb Capacity, Chrome Steel

The CURT Trailer Ball: III/IV (MPN 40004) is a 2 in diameter, steel hitch ball with a chrome finish and a gross vehicle weight capacity of 6,000 lb. This Class III/IV trailer ball is designed for towing applications…

SKU 3G-OTH-480526

Brand
CURT
Item
40004 Trailer Ball, 2 in, 6,000 lb Capacity, Chrome Steel
Part Number
40004
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 — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

CURT
Manufacturer Part Number
40004
Type
Steel, Chrome, Silver
Material
Steel
Finish
Chrome
Ball Dia
2 in
Ball Type
Trailer Ball
Gross Vehicle Wt Capacity
6,000 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 40004) is a 2 in diameter, steel hitch ball with a chrome finish and a gross vehicle weight capacity of 6,000 lb. This Class III/IV trailer ball is designed for towing applications requiring a durable, corrosion-resistant connection point.

Frequently Asked Questions

What is the CURT 40004 trailer ball used for?

The CURT 40004 trailer ball is used for towing trailers, boats, and equipment that require a Class III/IV hitch connection. Its 2-inch diameter and 6,000 lb gross vehicle weight capacity make it suitable for medium-duty towing applications where a durable, corrosion-resistant steel ball is needed.

What are the specifications of the CURT 40004 trailer ball?

The CURT 40004 is a steel trailer ball with a chrome finish, 2-inch ball diameter, and a gross vehicle weight capacity of 6,000 lb. It is classified as Class III/IV and comes in a silver chrome appearance. The manufacturer part number is 40004.

Where to buy the CURT 40004 trailer ball worldwide?

3G Electric supplies the CURT 40004 trailer ball to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this Class III/IV hitch ball for your towing needs.

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

To select the right trailer ball for a 2-inch hitch, match the ball diameter to the coupler size (2 inches) and ensure the gross vehicle weight rating meets or exceeds your trailer's loaded weight. The CURT 40004 offers a 6,000 lb capacity and a chrome finish for corrosion resistance, suitable for Class III/IV towing.

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
Not sure this is the right part? Photo-identify it

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

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first