Hammer CB40

The first step in progress

The CB40 has a 40” drop hammer design that breaks up to 9” thick reinforced concrete.
Drop Hammer Design
82,000 lb.
of impact force
thick reinforced concrete breaking capacity

The Danuser Hammer CB40 has a 40” drop hammer design that breaks up to 9” thick reinforced concrete.

This low maintenance concrete breaker achieves a full stroke with every cycle, delivering 82,000 lb. of impact force. An innovative anti-dry fire feature improves the durability of the machine. This is a great product for the industrial or commercial jobsite. Ideal for the demolition of parking lots, foundations, flooring, sidewalks, curbs, and more!

FEATURESProven Design

40" Drop Hammer Design

Breaks up to 9" thick reinforced concrete. 

Anti-Dry Fire

 An innovative anti-dry fire feature prevents unnecessary firing which improves the durability of the machine. 

Free Fall Design

Creates smooth operation with less shock back to the vehicle. 

CB40 Breaker Kit

Available to convert any Hammer post driver into a concrete breaker. 

CB40 Hammer concrete breaker

Options and Specifications

  • Overall Length (inches)


  • Overall Width (inches)


  • Overall Height (inches)


  • Machine Weight

    1,080 lb.

  • Hammer Weight

    500 lb.

  • Length of Stroke (inches)


  • Maximum Strokes per Minute


  • Hydraulic Requirements

    1,500 - 3,000 PSI

    *12-30 GPM

  • Impact Force

    82,000 lb.

  • Impact Energy

    1,709 ft.-lb.


Backhoe & Excavator Mount Specification Form

Literature and Media

Asphalt & Concrete Removal Using a Skid Steer Attachment
Company Vertical


This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov/product.