Hydraulic Crushers and Shears for Excavators. Hydraulic excavator crushers and shears designed for controlled demolition. Ideal for cutting cables, pipes, iron beams and metal girders.Hydraulic Drum Crusher Compactors. The model HDC-905-IDC crushes 55-gallon steel drums to approximately 6 high and resets automatically to crush another drum. Full cycle time is 25 seconds (crush and retract). This unit is designed for a duty cycle that will allow for crushing or compacting up to 250 drums per week in a typical non-hazardous.