wheel-chocks-mc3012

Heavy-Duty Wheel Chocks MC3012

Model No: MC3012
In Stock
  • Lightweight with tough urethane construction
  • Rated for vehicles with a gross operating weight up to 855,000 lbs., and tire sizes up to 142 in. diameter
  • Maximum rated payload of 240 tons
  • Optional studs available for snow and ice
  • Barcode imprinted on back of chock
  • Approved and being used by Caterpillar and mines worldwide
  • ANSI compliant color guidelines on proper chocking and wheel chock placement in English
  • Meets MSHA specifications
  • Resistant to oils, fuels, and solvents
  • Recessed carrying handle on the backside of the chock
  • Replaceable rubber anti-slip traction pads
  • Mounting hole for ropes, chains or brackets
  • Molded-in “How to Use” guidelines in English
  • Safety yellow color

The Checkers™ heavy-duty MC3012 wheel chocks for ground vehicles are manufactured with highly durable, lightweight polyurethane and they feature a larger base that makes them ideal for use with heavy equipment such as haul trucks, loaders, and cranes. MC3012 wheel chocks are for mine haul trucks with tire sizes up to 142″ (241.3 cm) in diameter and gross vehicle operating weight up to 855,000 lbs. (725,748 kg). A maximum rated payload of 240 tons. This chock is designed for normal haul road grades.

Key Technical Specifications

  • Color: Yellow
  • Quantity: 1
  • Maximum Weight Capacity: Rated for haul trucks with a Gross Vehicle Operating Weight (GVW) up to 855,000 lbs (approx. 387.8 metric tons) and a payload capacity of up to 240 tons.
  • Tire Size Compatibility: Specifically designed for giant mining tires with outside diameters ranging from 95 inches to 142 inches (241.3 cm to 360.7 cm).
  • Premium Material Construction: Molded from high-durability, UV-stabilized Polyurethane (Urethane). This material makes the chock exceptionally strong yet lightweight (only 24 lbs / 10.8 kg) compared to steel or wood alternatives, making it easier for operators to handle.
  • Chemical Resistance: Highly resistant to damage from oils, fuels, grease, acids, salt, water, and industrial solvents.
    • Length: 21.5 Inch
    • Width: 14.5 Inch
    • Height: 10 Inch

    Safety & Design Features

    • Compliance Approved: Meets strict mining safety guidelines, aligns with MSHA (Mine Safety and Health Administration) specifications, and is officially approved for global Caterpillar haul truck fleets.
    • Anti-Slip Traction: Features replaceable rubber traction pads on the bottom surface to ensure a firm, non-slip grip on concrete, gravel, or muddy mining haul roads.
    • Integrated Visual Safety: Includes molded-in ANSI Z535.4 compliant color safety warnings and operating instructions directly on the chock body for long-lasting visibility.
    • Easy Handling & Mounting: Designed with a built-in recessed carrying handle on the back. It also includes a dedicated mounting hole for attaching ropes, chains, or securing the chock to vehicle brackets.