Product Description

CURT Helux™ Coil-Spring 5th Wheel Pin Box – Rhino Box Replacement – 24,000 lbs. Capacity

Upgrade Your Towing Experience with the CURT Helux Pin Box
Enhance comfort, safety, and durability when towing your 5th wheel RV with the CURT Helux™ Coil-Spring 5th Wheel Pin Box. Designed as a direct replacement for Rhino Box models, this innovative pin box uses proprietary coil and shock technology to reduce chucking and jarring, protecting your trailer, gear, and passengers.

Key Benefits:

• Purchase verification required – Refer to instruction sheet for pin weight measuring process

• Reduces force by up to 30% on RV frame and body compared to similar pin boxes

• Automotive-grade coil spring delivers a smoother, more stable ride — great for pets and passengers

• Virtually maintenance-free — no airbags to refill or parts to tune

• Direct bolt-on fit for Rhino Box mounting pattern

• Heavy-duty steel construction with corrosion-resistant black powder coat finish

• Tested to SAE J2638 safety standards

• Made in the USA with global materials

• Limited lifetime warranty (1-year finish & parts)

Technical Specs:

• Towing Capacity: Up to 24,000 lbs.

• Pin Weight: Max 4,850 lbs. / Min 2,570 lbs.

• Compatibility: Lippert RV frames (does not void warranty)

• Patent Pending Design

  Note:

• Not compatible with offset 5th wheel hitches

• Includes all necessary mounting hardware

• Returns not accepted after installation

• Always match towing components to the lowest-rated capacity