Curt Manufacturing Helux Coil-spring 5th Wheel Pin Box 2950lb Pin Weight 18000lb Capacity • 2024044567
CURT Helux Coil-Spring 5th Wheel Pin Box – 18,000 lb Capacity (2,950 lb Max / 1,360 lb Min Pin Weight) • 2024044567
Upgrade your towing experience with the CURT Helux™ Coil-Spring 5th Wheel Pin Box — engineered to deliver a smoother, quieter ride while protecting your RV frame and cargo. Designed for heavy-duty fifth-wheel trailers up to 18,000 lbs GTW, the Helux™ uses automotive-grade coil and shock technology to reduce impact transfer by up to 30% compared to similar pin boxes, creating a more comfortable and controlled towing experience.
Key Features:
Up to 18,000 lb Capacity / 2,950 lb Max Pin Weight (1,360 lb Min): Handles large fifth-wheels with confidence while maintaining stability.
Proprietary Coil + Shock System: Reduces chucking, jarring, and vibration to protect your trailer, hitch, and cargo.
30% Less Force on RV Frame and Body: Tested performance that minimizes wear and fatigue on structure and mounting hardware.
Automotive-Grade Coil Spring: Provides a smooth ride that’s easier on passengers and pets.
Maintenance-Free Operation: No air bags, no pressure checks—install it and go.
Direct Bolt-On Fit: Compatible with Rhino Box bolt-mounting pattern and approved for Lippert RV frames (will not void warranty).
Safety Tested: Meets SAE J2638 standards for strength and durability.
Heavy-Duty Steel Construction: Built in the USA with robust welds and a black powder-coat finish for corrosion resistance.
No Break-In Period: Delivers immediate, consistent damping performance.
Hardware Included: Comes complete with mounting bolts for quick installation.
Not Compatible With: Offset 5th-wheel hitches. Returns not accepted after installation.
Technical Specifications:
Brand CURT®
Model / Part # 2024044567
Product Name Helux™ Coil-Spring 5th Wheel Pin Box
Gross Trailer Weight (GTW) 18,000 lbs
Pin Weight Range 1,360 – 2,950 lbs
Reduction in Force Up to 30% less frame/body stress vs comparable pin boxes
Mounting Pattern Rhino Box bolt-mount (Lippert-approved)
Construction Heavy-gauge steel with integrated coil and shock system
Finish Black powder coat
Testing Standard SAE J2638 Certified
Country of Origin USA
Includes Hardware Yes
Warranty Limited Lifetime (Structure) / 1-Year (Finish)
UPC 612314057849
Dimensions (L × W × H) 44″ × 24″ × 21″
Weight 169 lbs (99 lb dim weight)
Oversize / LTL Charge Yes – Ships via Freight
Installation Notes
Verify Rhino Box pattern compatibility on your RV before ordering.
Use included hardware and follow CURT torque specifications.
Inspect bolt torque after first 50 miles of towing.
Not for use with offset or extended hitches.
(Always match pin-weight and trailer ratings to your lowest-rated towing component.)
Why Choose Helux™
The Helux™ pin box is CURT’s latest innovation in ride control, combining the reliability of mechanical damping with the comfort of air-ride performance—without the complexity. Its coil-spring suspension absorbs vertical shock while the internal damper smooths fore-and-aft motion, keeping your truck, trailer, and gear protected mile after mile.
