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4040 Tailboard Block – 4-1/2″ Sheave for 1/2″ Wire Rope

The 4040 Tailboard Block is engineered for heavy-duty rigging applications, delivering dependable performance with a high-strength design. Built for use with 1/2″ wire rope, this block features a 4-1/2″ sheave and a bronze bushing to reduce friction and wear. With an 8,000 lb working load limit and a 40,000 lb break strength, its made to handle demanding loads in field and industrial settings.

Its open-side construction allows for easy rope insertion, saving time on setup. Whether you’re working in agriculture, construction, utilities, or mining, this block offers the durability and load control you need for static rigging points and load redirection.

Heavy-Duty Pulley Block for Demanding Rigging Conditions

Weighing just 8 lbs, this tailboard block offers a balance of strength and portability. Its built to meet or exceed ASME B30.26 standards, ensuring safe, code-compliant performance on every job.

Key Features

• Wire Rope Size: Designed for 1/2″ wire rope
• Sheave Diameter: 4-1/2″ for smooth cable movement and reduced wear
• Load Ratings: 8,000 lb working load limit; 40,000 lb break strength
• Safety Factor: Built with a 5:1 safety ratio for secure use under load
• Bronze Bushing: Enhances durability and prolongs operational life
• Product Weight: 8 lbs – lightweight for its strength class
• Compliance: Meets or exceeds all ASME B30.26 standards
• Use Cases: Ideal for lifting, pulling, tensioning, and directional control in industrial and agricultural environments

View Product Safety Warnings

California Residents: WARNING