The MKT 11B3 hammer is the largest of the B3 series hammers from MKT. It is a great option for driving larger piles in non-cohesive soils. Most times it is used with a crane and U-shaped box leads but it can be mounted on an excavator with a spud beam. Available with a flat anvil for sheet pile, I-beams, pipe pile, or precast concrete piles, and a cup anvil for timber pile. The hammer weighs 14,200 pounds and it delivers 19,150 foot pounds of energy per blow.