Checkers heavy duty MC3009 mining chocks are manufactured with highly durable, lightweight polyurethane construction and they feature a larger base that makes them ideal for use with heavy equipment.   MC3009 mining chocks are designed for mine support equipment such as lubrication trucks and heavy maintenance vehicles. Rated for tire sizes up to 165cm in diameter and gross vehicle operating weight up 111,130 kg. Maximum rated payload of 63.5 metric tonnes.   MC3009 mining chock key features: Highly durable polyurethane construction Feature a larger base that makes them ideal for use with heavy equipment Rated for vehicles with a gross operating weight up to 111,130 kgs and tire sizes up to 165cm in diameter For mining truck payloads up to 63,503 kg use two MC3009 Durable polyurethane construction is resistant to oils, fuels, and solvents Larger base that makes them ideal for use with heavy equipment Recessed carrying handle on the backside of the chock Light weight with tough urethane construction Specially designed for use with mine support equipment such as lubrication trucks and heavy maintenance vehicles.   Advantages of Urethane Wheel Chocks: Urethane makes chocks durable, lightweight and easy to use when compared to other materials such as aluminum or wood. The durable nature of urethane results in a long-lasting product life span.  After thorough testing, the Checkers MC series wheel chocks are approved and used by Caterpillar in mines worldwide.   To view our full range of wheel chocks, please click here.