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CURT Helux Coil-Spring Gooseneck Pin Box, 3,900 lbs. Pin Weight, 20,000 lbs. Capacity #2024044577

SKU #: 2024044577

gear
Universal Vehicle Fit

The CURT Helux™ gooseneck Pin Box ensures smoother towing with a coil spring and shock absorber design, reducing jolts, vibrations, and gear shifts. Built from durable steel with a maintenance-free system, it’s compatible with Lippert frames.

To find the Max Pin Weight needed for your 5th Wheel, see How to Select the Right Helux for You .

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  • expand-more Quick Facts
    • check Purchase verification required. Refer to instruction sheet for pin weight measuring process
    • check Allows for additional cargo space in the bed of your truck versus traditional 5th wheel towing
    • check Proprietary coil and shock technology reduces chucking and jarring to protect trailer and gear
    • check Reduces force on the RV frame and body by 30% compared to similar pin boxes
    • check Automotive-grade coil spring provides a more comfortable ride for pets and passengers
    • check No break-in period — just install it and go
    • check Virtually maintenance-free design improves user experience over airbags
    • check Compatible with Rhino Box bolt-mounting pattern
    • check Auto-latching coupler accepts standard 2-5/16” gooseneck ball
    • check Robust steel construction and black powder coat finish
    • check Tested for safety in accordance with SAE J2638
    • check Designed, welded, and coated in Wisconsin
    • check Approved on Lippert RV frames (will not void warranty)
    • check Compatible with #23082, #23503, #23520, #23522, #23523, & #23546 CURT locks
    • check 3,900 lb. max pin weight / 2,200 lb. min pin weight
    • check Limited lifetime warranty (one-year finish, one-year parts)
  • expand-more Specifications
    • check SKU: 2024044577
    • check Brand: Curt™
    • check Series: Helux
    • check Product Color: Black
    • check Weight Capacity: 20,000 lbs.
    • check Material Type: Steel
    • check Max Pin Weight Capacity: 3,900 lbs.
    • check Country of Origin: USA
    • check Quantity In Package: 1
    • check Warranty Term: Limited lifetime warranty (one-year finish, one-year parts)
    • check Unit of Measure: EA
    • check Item Length (Inches): 44
    • check Item Width (Inches): 22
    • check Item Height (Inches): 29.5
    • check Item Weight (Pounds): 200
    • check Universal Part: Yes
    • check UPC: 612314057948
    • check Shipping Dimensions: 35.5" L x 25.63" W x 15.75" H, 200 lbs.
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Product description

The CURT coil-spring gooseneck pin box is engineered for RV owners who demand more from their towing setup — more ride comfort, more truck bed space, and more long-term durability. By utilizing a gooseneck connection, this pin box gives you full use of your truck bed without sacrificing performance or stability. At the heart of the system is CURT’s proprietary coil and shock technology, designed to dramatically reduce the bumps, jolts, and vibrations that come with towing. Compared to traditional pin boxes, the Helux pin box cuts down on force to your RV frame and body by up to 30% compared to other gooseneck pin boxes. With the Helux, you’ll feel the difference right away. The automotive-grade coil spring absorbs road shock to deliver a smoother, quieter ride for both pets and passengers. And unlike airbag-style pin boxes, the Helux is virtually maintenance-free. No compressors. No adjustments. No break-in period. Just install it and tow. Built to handle serious loads, this pin box offers a 20,000-lb. gross trailer weight rating with a pin weight range from 2,200 to 3,900 lbs. The auto-latching coupler connects quickly to any standard 2-5/16” gooseneck ball, making hookups fast, easy, and secure. It’s also built to last. The CURT coil-spring gooseneck pin box features high-strength steel construction, a durable black powder coat finish, and has been rigorously tested to SAE J2638 standards for safety and reliability. Plus, it’s compatible with Rhino Box bolt patterns and approved for use on Lippert RV frames, so it won’t void your manufacturer warranty. This Helux pin box is compatible with #23082, #23503, #23520, #23522, #23523, and #23546 CURT locks.

Features

  • SMOOTHER, MORE COMFORTABLE RIDE — The CURT Helux coil-spring gooseneck pin box utilizes innovative coil and shock technology to minimize jarring and chucking while towing. This means fewer harsh jolts on rough roads, reducing fatigue for drivers and providing a steadier, more enjoyable ride for passengers and pets
  • REDUCED FRAME STRESS — Engineered to protect your RV, the Helux coil-spring gooseneck pin box reduces force on the frame and body by 30% compared to similar designs. This helps extend the lifespan of your RV while keeping your trailer and gear more secure, preventing unnecessary wear and tear on your investment
  • NO HASSLE INSTALLATION & MAINTENANCE — With no break-in period required, the Helux coil-spring gooseneck pin box is ready to perform the moment it’s installed. Its virtually maintenance-free coil spring system eliminates the hassle of airbag upkeep, ensuring a reliable, consistent ride without the need for ongoing adjustments
  • DURABLE & RELIABLE CONSTRUCTION — Built with robust steel and coated in a black powder finish, the Helux coil-spring gooseneck pin box is designed to withstand the rigors of long-haul towing. Safety-tested to SAE J2638 standards and designed, welded, and coated in Wisconsin, it delivers uncompromising strength and dependability on every journey
  • COMPATIBLE & WARRANTY-FRIENDLY — Designed to fit the Rhino Box bolt-mounting pattern, the Helux coil-spring 5th wheel pin box seamlessly integrates with Lippert RV frames without voiding your warranty. This ensures a hassle-free upgrade that enhances towing performance while maintaining manufacturer approvals

Notes

  • Not compatible with Rockerball cushion hitch gooseneck ball
  • Includes safety chains, cable-release kit, and mounting hardware
  • Returns will not be accepted after product has been installed
  • Capacity limited to lowest-rated towing component
  • Greasing ball socket recommended to avoid galling of similar metals
Warning:

Warning Cancer and reproductive harm. www.P65Warnings.ca.gov

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Support Documentation

Explore manuals, videos, FAQs and more associated with this product.

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Learn & Explore

  1. Advantages of Using a Gooseneck Hitch for RV Towing

    Thinking about switching your RV towing setup? Learn how a gooseneck hitch can deliver more truck bed space, added versatility, and a smarter towing experience with the right components.

    Read more arrow-right-alt
  2. Upgrading to a Gooseneck Pin Box vs. Using a 5th Wheel Adapter

    Thinking about switching your 5th wheel to a gooseneck setup? See how a gooseneck pin box compares to an adapter and why the right choice can make a major difference in stability, durability, and ride quality.

    Read more arrow-right-alt
  3. What is a 5th Wheel Hitch?

    What is a 5th Wheel Hitch?

    Thinking about buying a 5th wheel hitch? In this blog, we'll cover everything you need to know, starting by answering the basic question: what is a 5th wheel hitch?

    Read more arrow-right-alt
  4. Do 5th Wheel-to-Gooseneck Adapters Actually Work?

    Thinking about using a 5th wheel to gooseneck adapter for your RV? While adapters can make it possible to tow a 5th Wheel with a gooseneck ball, they are not always the best long-term solution. Learn how these adapters work, their real pros and cons, and why many RV owners are switching to a gooseneck pin box instead.

    Read more arrow-right-alt
  5. What Is a Gooseneck Pin Box?

    Some RV owners prefer the simplicity and bed space that come with towing off a gooseneck ball instead of a traditional fifth wheel hitch. A gooseneck pin box makes that possible by replacing the standard pin box and creating a direct connection to the truck’s gooseneck hitch. Here is how it works and why many RV owners are making the switch.

    Read more arrow-right-alt

Get the most out of your experience

  1. Advantages of Using a Gooseneck Hitch for RV Towing

    Thinking about switching your RV towing setup? Learn how a gooseneck hitch can deliver more truck bed space, added versatility, and a smarter towing experience with the right components.

    Read more arrow-right-alt
  2. Upgrading to a Gooseneck Pin Box vs. Using a 5th Wheel Adapter

    Thinking about switching your 5th wheel to a gooseneck setup? See how a gooseneck pin box compares to an adapter and why the right choice can make a major difference in stability, durability, and ride quality.

    Read more arrow-right-alt
  3. What is a 5th Wheel Hitch?

    What is a 5th Wheel Hitch?

    Thinking about buying a 5th wheel hitch? In this blog, we'll cover everything you need to know, starting by answering the basic question: what is a 5th wheel hitch?

    Read more arrow-right-alt
  4. Do 5th Wheel-to-Gooseneck Adapters Actually Work?

    Thinking about using a 5th wheel to gooseneck adapter for your RV? While adapters can make it possible to tow a 5th Wheel with a gooseneck ball, they are not always the best long-term solution. Learn how these adapters work, their real pros and cons, and why many RV owners are switching to a gooseneck pin box instead.

    Read more arrow-right-alt
  5. What Is a Gooseneck Pin Box?

    Some RV owners prefer the simplicity and bed space that come with towing off a gooseneck ball instead of a traditional fifth wheel hitch. A gooseneck pin box makes that possible by replacing the standard pin box and creating a direct connection to the truck’s gooseneck hitch. Here is how it works and why many RV owners are making the switch.

    Read more arrow-right-alt
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