US Hammer has developed a line of gas-powered jackhammers, the Gas Breaker GB-70 and Gas Breaker GB-90. Unlike larger pneumatic-driven models, no air compressor is required, making the units cost-effective to operate and easy to stow on any truck.
- 70-lb. GB-70 delivers 64 ft.-lbs. of impact energy and the 90-lb. GB-90 produces impact energy up to 76 ft.-lbs.
- 2-hp, 50cc Honda four-stroke, single-cylinder, fan-cooled gasoline engine relies on less than 4 gal. of fuel for an 8-hour work day
- Vibration-reducing technology allows operators to work comfortably for longer periods
- Sound levels of 100 dB(A)
- CARB and EPA certified
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