4500 Series HD

4500 Series HD: Heavy-Duty Performance & Reliability

The 4500 Series HD boasts a powerful American-made motor, a durable all-metal gearbox, and a reliable magnetic brake. Its heavy-duty extruded aluminum torsion arms feature patented flexible elbows, ensuring smooth operation over loads while maintaining strength.

Universal Fit & Optimized Performance

Designed for all trailer makes and models, the 4500 Series HD delivers optimal torque, preventing damage to your tarp system. Its magnetic brake requires no electrical power, eliminating wiring issues. A patented pivoting motor mount absorbs roll tube misalignment, reducing system strain.

Industry-Leading Durability

✔ Strongest Arms Available – Backed by a lifetime warranty
✔ Easy Installation – Preassembled with a reinforced mounting bracket (no backer plate needed in most cases)
✔ Low-Friction Rear Arm Bracket – Prevents wear for long-lasting use
✔ Inset Arms for Clearance Light Visibility

Enhanced Protection & Smart Features

• Reinforced Rubber Boot – Shields the flex-joint from road and field debris
• Gate Flex™ Option – Adapts to side- and top-mount hinges for tailgate compatibility
• Bolt-On Motor Shroud – Ensures easy maintenance and added protection

Built for strength, efficiency, and longevity, the 4500 Series HD sets the standard for durable, high-performance tarp systems.