Equipment Spotlight: Rock Tools

May 2014, Vol. 69 No. 5
Doosan's DXB260H breaker

Rock tools by Doosan, Vermeer, Railhead Underground Products, Underground Tools Inc., INROCK, Kenco, Ballantine, Mincon, Barbco, Bor-It Mfg., Ditch Witch, Sharewell HDD Services, Melfred Borzall, Radius HDD, StraightLine HDD, Armadrillco and Terra-Bore.

Doosan
Doosan DXB260H breaker allows operators to match breaker frequency to ground conditions. The DXB260H breaker features two-speed control of breaker frequency for improved efficiency in demanding demotion 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 crawler excavators. Rated in the 8,000 foot-pound impact energy class, the DXB260H requires a hydraulic flow rate of between 39.5 and 63.5 gallons per minute. doosanequipment.com

Vermeer
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The Armor Drilling System from Vermeer is available for horizontal directional drills (HDD) ranging from 9,000 pounds to 100,000 pounds of thrust/pullback. The system features multiple bits, each specially configured to battle a range of ground conditions. An innovative and patent-pending advanced bit mounting design utilizes a solid pin for bit retention and for ease in bit interchangeability and maintenance. The housing is constructed with dual water ports that deliver up to 70 gpm at 800 psi of mud flow to effectively carry cuttings out of the bore hole. It’s designed to be used with the Vermeer Navigator HDD models from the D9x13 S3 to the D100x140 machines, and is compatible with comparable Ditch Witch HDD machines. 888.837.6337, vermeer.com

Railhead Underground Products
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From 6 to 16 inches, the EXTReam Rock Reamers from Railhead require a mere 500 pounds of pullback pressure. The newly designed 6-, 8- and 10-inch EXTReam reamers, built with a removable pulling eye on the back, allow flow through capabilities and tandem pulls to be used as a centering wheel. 888.313.7455, railhead.com