Available in seven models for carriers ranging from 14,000 to 160,000 pounds, the GT Series concrete crushers are available with pin-on replaceable jaws and are fitted with four-way rotatable rebar cutter blades. The attachment is made of high-strength, abrasive-resistant steel and has standard wear-resistant alloy pivot bearings. Shear blades are replaceable. Crushers weigh from approximately 840 to 7,810 pounds.