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4040 Tailboard Block – 6″ Sheave for 3/4″ Wire Rope

The 4040 Tailboard Block is built for serious load-handling. Designed for use with 3/4″ wire rope, this block features a 6″ sheave and a rugged bronze bushing for long-lasting performance. With a 16,000 lb working load limit and an 80,000 lb break strength, it meets the demands of high-capacity rigging in heavy industrial settings.

This blocks open-side frame allows for quick rope or cable insertion, making it ideal for fixed rigging points where setup speed matters. Built to meet or exceed ASME B30.26 standards, its a reliable choice for anyone needing strength, compliance, and ease of use in the field.

High-Capacity Pulley Block for Industrial Rigging

Whether lifting, redirecting, or tensioning heavy loads, this block delivers. Weighing 16 lbs, it’s engineered for durability without adding unnecessary bulk. Perfect for utilities, construction, mining, and other demanding environments.

Key Features

• Wire Rope Size: Compatible with 3/4″ wire rope
• Sheave Diameter: 6″ for smooth load movement and reduced wear
• Load Ratings: 16,000 lb working load limit; 80,000 lb break strength
• Safety Factor: 5:1 ratio ensures safe operation under load
• Bronze Bushing: Built to handle repeated use and high-load environments
• Product Weight: 16 lbs – sturdy but manageable in the field
• Compliance: Meets or exceeds ASME B30.26 safety and design standards
• Applications: Built for industrial lifting, tensioning, and directional rigging

View Product Safety Warnings

California Residents: WARNING