Caterpillar B Series Hammers

The B Series hydraulic hammers (B20, B30, and B35) are designed for high production in a range of severe applications, such as quarry, road construction, demolition, and general construction.

• Operating weights from 1,846 to 6,660 lbs. and matched to excavators weighing 18 to 40 metric tons 
• 4,000-, 6,000- and 7,500-ft.-lb. frequency class
• Housings feature bottom reinforcement plates to protect against breakage and wear
• Field-serviceable high-pressure accumulator 
• Long piston transfers long shock wave into material
• Outer-type oil control valve allows easy setting and reduced pulsation 
• Side rod (though-bolt) specially heat treated for durability and side-rod nut protected from thread damage
• Stroke-control valve allows adjusting for primary or secondary breaking chores
• Full-length side plate allows easy access to service point, with the lower tool-bushing replaceable in the field
• Easily accessible pressure check point allows quick monitoring of the hammer's operating condition
• Moil, cone, chisel, long-life chisel and blunt tool types available