H115GC S

Reliable and Durable Design

  • Cat� Hammers use up to 25 percent less fuel and are up to 27 percent more efficient.
  • The standard silencing feature, indicated by the �S� in the nomenclature, protects your operator and everyone near the jobsite.
  • It also allows you to work on jobsites where noise is regulated.
  • The power cell is protected by the fully enclosed housing.
  • The housing also prevents dust and debris from entering the bushing.
  • Enjoy fast service times and lower owning and operating costs with the simplified design.
  • Choose between top and side mount options to match your application.
  • Achieve consistent power and production over time with the gas fired design.
  • Cat Hammers are designed to work with our machines as a total solution and provide seamless hydraulic connectivity for maximum performance.
  • The Cat buffering system reduces vibration to the machine, improves noise suppression, and improved hammer durability.
  • Easy to Maintain

  • Achieve up to 18 percent lower maintenance costs with Cat� Hammers.
  • Easy and quick access to maintenance areas ensures the hammer always operates at its peak.
  • Spend more time working and less time on service.
  • Greasing can be performed quickly from one standing-height grease point.
  • Service the lower bushing in the field using simple hand tools.
  • Verify the gas charge of the hammer without removing it from your machine.
  • With the standard auto-lube system, your hammer is greased while it runs � saving you time and protecting your investment.
  • Easy to Operate

  • Protect against blank firing with automatic shut off.
  • This feature helps prevent damage to your machine and premature damage to your hammer by detecting when the hammer is not in contact with material.
  • Operator feel, and control is improved with an interlocking quad wear system which guides and supports the front head.
  • Select between high blow frequency and maximum power to get the performance you need to suit your application.
  • Easily adjust the piston stroke between long and short stroke positions to match application requirements.
  • You Are Supported

  • Go where the job takes you. The Cat Dealer Network is there to help when you need it.
  • Rely on Caterpillar for complete system support. Receive parts, service, and technical assistance for your machine, hammer, and hydraulics from a single source.
  • Select Units


    Cat® Hammers make short work of your demolition, construction, and quarry needs. Combine the simple, lightweight design of the GC S Hammer series with the reliability, durability, and value you expect from Cat products. The result is a low cost per hour solution providing the consistent power and performance you need.

    • Impact Energy Class 2212.0 ft-lb 3.0 J
    • Blows per Minute 450-800 450-800
    • Maximum Operating Weight 2928.2 lb 1331.0 kg
    • Overall Height 2928.2 lb 18.0 kg
    • Minimum Operating Weight 2875.0 lb 1307.0 kg
    • Maximum Carrier Weight 39.683 lb 18.0 t
    • Minimum Carrier Weight 28.66 lb 13.0 t
    • Height - Without Tool 28.66 lb
    • Overall Length 13.0 kg
    • Tool Shaft Diameter NaN in 120.0 mm
    • Operating Weight 2.175 psi 120.0 mm
    • Maximum Operating Pressure 2.465 psi 17.0 kPa
    • Operating Weight - With Tool 2.465 psi 24.0 gal/min
    • Overall Width 17.0 kPa
    • Minimum Operating Pressure 2.175 psi 15.0 kPa
    • Rated Flow - Maximum 32.0 gal/min 120.0 l/min
    • Operating Pressure 90.0 l/min
    • Rated Flow - Minimum 24.0 gal/min 90.0 l/min
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