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.
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 2,450 to 4,300 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 made in the USA with global materials, 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
Quick Facts
- Increases cargo space in the bed of your truck compared to traditional 5th wheel towing setups
- Proprietary coil and shock technology reduces chucking and jarring to protect your trailer and gear
- Reduces force on the RV frame and body by 30% compared to similar pin boxes
- Automotive-grade coil spring provides a smoother, more comfortable ride for pets and passengers
- No break-in period — install and use immediately
- Virtually maintenance-free design — easier to maintain than airbag systems
- Compatible with Rhino Box bolt-mounting pattern
- Auto-latching coupler accepts a standard 2-5/16” gooseneck ball
- Heavy-duty steel construction with a durable black powder coat finish
- Tested for safety in accordance with SAE J2638 standards
- Made in the USA with globally sourced materials
- Approved on Lippert RV frames — installation will not void your warranty
- Compatible with CURT locks: #23082, #23503, #23520, #23522, #23523, and #23546
- 4,300 lb. max pin weight / 2,450 lb. min pin weight
- Limited lifetime warranty — one-year finish, one-year parts coverage
Specifications
- SKU: 2024044578
- Brand: Curt™
- Series: Helux
- Product Color: Black
- Weight Capacity: 20,000 lbs.
- Material Type: Steel
- Max Pin Weight Capacity: 4,300 lbs.
- Country of Origin: USA
- Quantity in Package: 1
- UPC: 612314057955
- Warranty Term: Limited lifetime warranty (one-year finish, one-year parts)
- Unit of Measure: EA
- Item Dimensions: 44" L x 22" W x 29.5" H
- Item Weight: 200 lbs.
Helux gooseneck pin boxes offer more usable cargo space in your truck bed compared to traditional 5th wheel setups.
Designed for a smooth ride, Helux significantly reduce jerking and jarring over traditional fixed pin boxes.
Automotive-grade coil spring provides a more comfortable ride for pets and passengers.
When looking to purchase a Helux pin box, the most important piece of information is finding the Pin Weight of your 5th Wheel. The chart below summarizes the optimal pin weight range for each Helux based on your specific scenario.
Helux Gooseneck Pin Boxes
| Part Number |
Spring Rating (lbs.) |
Optimal Pin Weight (*1) |
Minimum Pin Weight (*2) |
Maximum Pin Weight (*3) |
Connection Type |
|
2024044575
|
1,100 |
1,650 - 2,144 |
1,350 |
2,350 |
Gooseneck |
|
2024044574
|
1,250 |
2,145 - 2,484 |
1,550 |
2,700 |
Gooseneck |
| 2024044576 |
1,500 |
2,485 - 2,954 |
1,800 |
3,200 |
Gooseneck |
|
2024044577
|
1,800 |
2,955 - 3,469 |
2,200 |
3,900 |
Gooseneck |
|
2024044578
|
2,000 |
3,470 - 3,964 |
2,450 |
4,300 |
Gooseneck |
|
2024044579
|
2,300 |
3,965 - 5,000 |
2,800 |
5,000 |
Gooseneck |
| |
|
|
|
|
|
|
*1 Optimal pin weight value range when choosing a CURT Helux pin box.
*2 Unloaded — No cargo and empty, fresh, black, and gray water tanks.
*3 Loaded — Cargo loaded including toy hauler area. Water tanks empty.
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