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Hydraulic Breaker can match frequency to ground conditions.

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Press Release Summary:

February 29, 2012 - To promote efficiency in demolition and rock-breaking applications, DXB260H features 2-speed control of breaker frequency for adjustment between short and long stroke settings. Product weighs 5,400 lb and delivers up to 600 blows/min. It is designed for use with excavators in 27-37 metric ton range. Rated in 8,000 lb-ft impact energy class, breaker requires hydraulic flow rate from 39.5-63.5 gpm. Features include cradle-mounted grease station and blank fire protection.

Doosan Infracore America Corp & Eng Center

8 York Avenue, West Caldwell, NJ, 07006, USA

Original Press Release

Doosan DXB260H Breaker Allows Operators to Match Breaker Frequency to Ground Conditions

Press release date: January 1, 2012

WEST FARGO, N.D. - The Doosan DXB260H hydraulic breaker features two-speed control of breaker frequency for improved efficiency in demanding demolition and rock-breaking applications.

Delivering up to 600 blows per minute, the 5,400-pound DXB260H is designed for use with excavators in the 27-to-37-metric-ton weight range, specifically the Doosan DX300LC and DX350LC. Rated in the 8,000 ft.-lb. impact energy class, the DXB260H requires a hydraulic flow rate of between 39.5 and 63.5 gallons per minute.

With two speeds, the DXB260H breaker frequency can be easily adjusted between short and long stroke settings. This allows the operator to match the breaker frequency to the ground conditions for optimized productivity.

Standard features include a cradle-mounted grease station and blank fire protection. The cradle-mounted grease station delivers continuous grease flow, reducing bushing and tool wear while minimizing maintenance costs and downtime. Blank fire protection uses a cushion of oil at the base of the cylinder to reduce metal-to-metal contact.

The breaker's suspension system extends excavator workgroup life by absorbing harmful vibrations and stress waves. Also, a patented main valve design reduces hydraulic pressure peaks that can reduce pump life, crack excavator workgroup welds and cause system overheating. Finally, an energy recovery system on the DXB260H increases strike power by using energy generated by piston rebound.

The DXB260H breaker comes with a mounting cap, auxiliary hydraulic hoses, cradle-mounted greaser, two moil points, toolbox and a nitrogen checking device. A one-year warranty is standard.

In addition to the general purpose moil, tools available for the DXB260H include a blunt tool, a chisel and a pyramidal or "nail" tool.

ABOUT DOOSAN INFRACORE CONSTRUCTION EQUIPMENT AMERICA Doosan Infracore Construction Equipment America, headquartered in West Fargo, N.D., markets the Doosan brand of products which includes large excavators, wheel loaders and articulated dump trucks. With more than 100 heavy equipment dealer locations in North America, Doosan is known for an unmatched dedication to service and customer uptime, and durable, reliable products. Doosan is fast becoming a global force in heavy construction equipment. For more information on Doosan products, visit www.doosanequipment.com.

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