H120GC, side mount

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Reliable and Durable Design

  • Cat� Hammers use up to 25 percent less fuel and are up to 27 percent more efficient.
  • 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.
  • 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 servicing.
  • 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.
  • tough applications.
  • All breakers are tested in accordance with ISO Quality Control System before delivery.
  • Easy to Operate

  • 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 piston frequency and more impact power 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.
  • Overview

    Cat® Hammers make short work of your demolition, construction, and quarry needs. Combine the simple, lightweight design of the GC 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 2950.0 ft-lb 4000.0 J Less
    Blows per Minute 400-800 400-800 Less
    Maximum Operating Weight 3779.6 lb 1718.0 kg Less
    Minimum Operating Weight 3780.0 lb 1718.0 kg Less
    Impact Frequency 25 25 Less
    Maximum Carrier Weight 55115.0 lb 25.0 t Less
    Minimum Carrier Weight 39683.0 lb 18.0 t Less
    Tool Shaft Diameter -5.31 in 135.0 mm Less
    Maximum Operating Pressure 2610.0 psi 18000.0 kPa Less
    Minimum Operating Pressure 2320.0 psi 16000.0 kPa Less
    Rated Flow - Maximum 40.0 gal/min 150.0 l/min Less
    Rated Flow - Minimum 33.0 gal/min 125.0 l/min Less