Brooke WisdomRoadbuildingRoad Science TutorialRecycled concrete aggregate proves its value; but it demands an engineered approach.April 1, 2010MaintenanceProduct FocusPull-behind scrapers By Amy Materson  CONTROL THE CUT Icon Industries’ 821 pull-type scraper includes an Operator Reference Control Gauge that controls the cutting bit and front load gate for precision depths. • Capacity of 21 cubic yards, transport width of less than 12 feet • Features a quick-attach 360-degree cast hitch • Swingwall ensures […]March 3, 2010TechnologyUtility SupplementSponsored Information Section  Drill enables fast performance in HDD jobs Perform a wide range of HDD jobs with Ditch Witch’s JT1220 Mach 1 directional drill. The 60-horsepower unit enables the operator to consistently drill and backream with precision, and Mach 1 technology monitors and troubleshoots the system – controlling the ground drive, pipeloader and […]March 3, 2010MaintenanceProduct ReportDitch Witch PR100 pipebursting unit Tom Jackson  Name your pipe – clay, PVC, steel, cast iron or ductile iron – used in water, sewer or utility installations. If it’s 16 inches or less in diameter, the new Ditch Witch PR100 pipebursting unit can cut or fracture it with up to 100 tons of pullback […]March 3, 2010SafetyProduct ReportCaterpillar F-Series mining truck F-Series mining trucks log more than 75,000 hours of field testing By Kerry Clines  Caterpillar’s F-Series mechanical drive large mining trucks – the 793F (shown) and 797F – have accumulated more than 75,000 hours of field testing. In addition, Cat is also prototype testing the 795F AC electric drive truck, […]March 3, 2010Machine controlTechnologyTechnology products New machine automation products make heavy construction faster, more precise and profitable By Tom Jackson  Laser grading integrates with existing controls Caterpillar’s new Accugrade laser-based grading system integrates with its machine controls and hydraulics for simplified installation and operation. The system works with the Cat C-Series skid steer loaders, multi-terrain loaders and […]March 3, 2010MaintenanceMarketplaceBy Marcia Gruver  Editor’s Pick  COMBO TOOL The XT855 excavator-tool carrier from Ditch Witch is a 260-degree swing excavator combined with a tool carrier with more than 70 attachments. The 30-net-horsepower engine directs up to 18 horsepower to the tool carrier end. When equipped with optional extension legs, which provide leveling support in […]March 3, 2010Equipment2010 Innovations Awards: AggreScreed, Komatsu PC200LC-8, Deere E/H controlsOne-pass gravel How one contractor converted a simple idea into an attachment that creates stakeless road beds By Marcia Gruver Myron Mullett’s gut told him there had to be an easier way. As owner of Mullett Excavating, Westcliffe, Colorado, he had received a multiyear military contract to lay gravel on 90 miles of road in […]March 3, 2010MaintenanceOwning and Operating CostsSingle drum vibratory compactors Stay on top of the maintenance and you can get a decade of low-cost operation out of these workhorses By Tom Jackson  Of all the machines in the construction arsenal, none are more straightforward than the single drum vibratory compactor. Since its mission is simple, to compact soil and gravel […]March 3, 2010SafetyReporterVisual safety By Equipment World staff Show your workers exactly what an unsafe condition looks like by browsing the Library of Construction Occupational Safety and Health’s website, eLCOSH.org/images. The CPWR Center for Construction Research and Training’s website allows users to browse thousands of free photos by category in order to find images that help to […]March 2, 2010Previous PagePage 36 of 48Next PageTop StoriesTelehandlersBobcat Unveils Electric Telehandler PrototypeThe new zero-emissions machine is powered by liquid-cooled batteries and has a rated operating capacity of 5,511 pounds.Safety & ComplianceContractor Faces $394K in Fines After Worker Dies in TrenchWheel LoadersLiebherr Debuts World's First Large Wheel Loader with a Hydrogen EngineDozersHyundai Breaks into the Dozer Market with HD100The DirtTest Run & Review: The Market's First Electric Mini Excavator, JCB’s 19C-1E