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B4 Non-Silenced Hydraulic Hammer

Used for demolition and construction applications.



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Model shown represents features on all Cat® Hammers except where indicated.



  • General
    Spec Value
    Operating Weight - With Tool 350.5 lb
    Energy Class 272.9 ft·lbf
    Machine Class 2-5 Ton Mini Excavators, 216-299 Skid Steer/Compact Track Loaders
    Tool Shaft Diameter 2.1 in
    Impact Frequency 600-1100 bpm
    Minimum Operating Pressure 1491.9 psi
    Minimum Carrier Weight 5599.7 lb
    Optimal Hydraulic Flow 25-50 lpm (6.6-13.2 gpm)
    Overall Width 11.8 in
    Overall Length 13.4 in
    Overall Height 46.9 in
    Height - Without Tool 32.7 in
    Sound Level 128 dB
    Mounting Bracket Size Small-Medium