Checkers MC4011 wheel chock is designed specifically for ultra class mining vehicles. If offers superior safety and durability for the largest haul trucks in the mining industry, with a capacity to secure vehicles weighing up to 800 tons and tire sizes up to 419 cm in diameter. It complies with MSHA and OSHA regulations, providing peace of mind in high-risk environments.

- Designed for vehicles up to 1,600,000 lbs (800 tons) and tire sizes up to 165 inches (419 cm) in diameter.
- High-visibility yellow color for improved visibility in low-light conditions.
- Made from high-density polyethylene (HDPE) for chemical resistance and structural integrity, resistant to oils, fuels, solvents, and extreme weather conditions.
- Compact size and lightweight design for easy transport and positioning.
- Meets NIOSH one-person lift requirements for safe lifting above shoulder height with weighing less than 30 lbs (24% lighter than industry standards) and shorter length for easy carrying without dragging on the ground,
- Can be used with or without mounting brackets, suitable for inclines and uneven terrain.
- Complies with MSHA and OSHA regulations.

Recommended use:
Recommended for use with ultra-class vehicles, chocking requires placing chocks snugly against wheels on sloped or level ground. Ideal for mining, construction, and quarrying sites, it secures haul trucks, loaders, and massive mining dump trucks during operations or parking.