NOW HIRING! Explore a Career at SMS Equipment. View Opportunities


Reverse-mounted cylinder protects cylinder rod from debris.

Tight fit between the cylinder, body and upper jaw minimizes the risk of debris damaging internal components.

360° rotation comes standard with every GDR attachment. 

Combination of a large-bore cylinder and a regeneration valve eliminates the need for an intensifier and a complex hydraulic system.

Heavy-duty pivot design with recessed end caps provides structural strength and long-term durability.

Indexable blades provide two useable cutting edges.

Extended chin aids in positioning concrete for processing.

Bolt-on teeth and blades reduce maintenance time. 

Weld-on tooth and blade pockets greatly improve the ability to maintain the jaws, extending the GDR’s useful life. 

Extended upper plate aids in positioning concrete for processing. 

Large-bore cylinder and regeneration valve deliver quick cycle times and impactful crushing force