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

CURT 40005 Chrome Steel Trailer Ball, 2-5/16 in, 7,500 lb Capacity - Hitch Balls
CURTHitch Balls

CURT 40005 Chrome Steel Trailer Ball, 2-5/16 in, 7,500 lb Capacity

The CURT Trailer Ball (MPN 40005) is a steel hitch ball with a chrome finish, featuring a 2 5/16-inch ball diameter and a gross vehicle weight capacity of 7,500 lb. This V-style trailer ball is designed for towing…

SKU 3G-OTH-480509

Brand
CURT
Item
40005 Chrome Steel Trailer Ball, 2-5/16 in, 7,500 lb Capacity
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
40005
Type
Steel, Chrome, Silver
Material
Steel
Finish
Chrome
Ball Dia
2 5/16 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 (MPN 40005) is a steel hitch ball with a chrome finish, featuring a 2 5/16-inch ball diameter and a gross vehicle weight capacity of 7,500 lb. This V-style trailer ball is designed for towing applications.

Frequently Asked Questions

What is the CURT 40005 trailer ball used for?

The CURT 40005 trailer ball is used for towing trailers, boats, or campers with a 2 5/16-inch coupler. It supports up to 7,500 lb gross vehicle weight and is made of chrome-plated steel for durability. 3G Electric supplies this CURT hitch ball for industrial and recreational towing applications worldwide.

What are the specifications of the CURT 40005 trailer ball?

The CURT 40005 trailer ball has a 2 5/16-inch ball diameter, a gross vehicle weight capacity of 7,500 lb, and a chrome finish over steel construction. It is a V-style trailer ball with manufacturer part number 40005. 3G Electric sources this CURT hitch ball for global delivery.

Where to buy the CURT 40005 trailer ball worldwide?

You can buy the CURT 40005 trailer ball from 3G Electric, which handles logistics, customs, and delivery worldwide. As a global industrial supplier, we source genuine CURT hitch balls and provide end-to-end support for your towing needs. Contact us for availability and lead times.

How to install the CURT 40005 trailer ball?

To install the CURT 40005 trailer ball, insert the shank into your hitch receiver, align the hole, and tighten the nut to the manufacturer's torque specification. Ensure the ball diameter matches your coupler size. 3G Electric supplies this CURT ball for reliable towing setups worldwide.

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
Steel hitch ball with chrome finish, 1 7/8 in diameter, rated for 3,500 lb gross vehicle weight. Suitable for light-duty towing of small boats, utility trailers, and campers with Class I or II hitches
CURT
Steel hitch ball with chrome finish, 1 7/8 in diameter, rated for 3,500 lb gross vehicle weight. Suitable for light-duty towing of small boats, utility trailers, and campers with Class I or II hitches
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, 7,500 lb Gross Vehicle Wt Capacity, 2 in Ball Dia, Steel, Chrome, Silver (MPN 40037)
CURT
CURT Trailer Ball: III/IV, 7,500 lb Gross Vehicle Wt Capacity, 2 in Ball Dia, Steel, Chrome, Silver (MPN 40037)
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)