Heavy-Duty Ultra Class Mining Wheel Chock, 95-165 In. Tire Dia., 800 Ton Capacity

Engineered for safety and reliability, the Checkers MC4011 Ultra-Class Mining Wheel Chock sets the standard in heavy-duty protection for ultra-class mining vehicles. This advanced mining wheel chock features a lightweight design paired with exceptional strength to secure vehicles weighing up to 1,600,000 lbs (800 tons). Its ergonomic design allows for safe, one-person installation, meeting NIOSH guidelines while enhancing operational efficiency.

Key Features

• Weighs only 27 lbs—the lightest option among ultra-class mining chocks
• Compact dimensions: 17.5" L x 14.5" W x 16" H, making it 7.5" shorter than competing models
• Designed for heavy-duty performance, capable of securing vehicles up to 800 tons
• Ergonomically designed external handle simplifies lifting and placement

Technical Specifications

• Made from durable HDPE resistant to oils, fuels, solvents, abrasion, and extreme weather
• Tested for maximum hold on 10% uphill and downhill grades
• Engineered to maintain an optimal center of gravity for safe handling in rigorous industrial conditions

Usage & Safety

This heavy-duty chock ensures quick, safe installation on bumper mounts, reducing labor strain and minimizing the risk of worker injuries. Fully compliant with OSHA and MSHA standards, it’s designed for use in open-pit mines, quarries, and large-scale mining operations. Accessories, including replacement handles and brackets (or the non-bracket version), are available for tailored applications.

Discover more heavy-duty solutions in our Wheel Chocks collection and improve your operational safety today.