John Deere Dozers Boast More Power, Increased Fuel Efficiency

John Deere 750K and 850K Crawler Dozers not only meet Final Tier 4 emissions standards, but also incorporate value-enhancing features such as EcoMode and an updated Electro-Hydraulic (EH) control system. The K-Series crawlers provide contractors a Final Tier 4 product that affords higher productivity, increased uptime and lower daily operating costs in earth moving, waste, and grading applications. “The new 750K…

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Komatsu Articulated Dump Truck is Tier 4 Final

Komatsu America Corp offers its HM400-5 articulated dump truck. Featuring a net 469 hp (350 kW), the HM400-5 is powered by a Komatsu SAA6D140E-7 engine that is EPA Tier 4 Final emissions certified. Komatsu’s Tier 4 Final engines are built on the solid foundation inaugurated in 1996 with the introduction of Komatsu’s Tier 1 engines. This new articulated dump truck leverages…

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Hitachi Construction Machinery Launches Rigid Dump Trucks

Hitachi Construction Machinery Co. Ltd. launched two rigid dump truck models designed for use in large-scale mining operations anywhere in the world – the 180-ton payload class EH3500AC-3 (nominal payload with standard equipment of 181 tons, target gross machine operating weight of 322,000 kg), and the 220-ton payload class EH4000AC-3 (nominal payload with standard equipment of 221tons, target gross machine operating…

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Rockmore DTH Hammer a ‘High-Performance Tool’

Rockmore International launched the T series DTH hammer line and introduced the first model in this class – the ROK 600T. The new T hammer line was officially unveiled at the National Ground Water Association exhibition last year in Las Vegas. This new addition to Rockmore’s existing broad range of DTH hammers is a breakthrough for DTH drilling technology for mining,…

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A Need to Feed

EDWARDS SAND AND GRAVEL RELIES ON VIBRATORY FEEDERS TO KEEP MATERIAL MOVING AT ITS PENNSYLVANIA QUARRY. By Mark S. Kuhar Aggregate operations require equipment that can perform well during high-volume production and also withstand dirt, dust and corrosive conditions. That is certainly the situation at Edwards Sand & Gravel where the six-decade-old company produces construction aggregate for customers in its market…

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Boosting Throughput

AN ONTARIO QUARRY INCREASES PRODUCTION CAPACITY AND PLANT UPTIME WITH ANTI-PEGGING SCREEN MEDIA SOLUTIONS. By Carol Wasson Frequent plugging or pegging within a screening circuit is a costly maintenance downtime issue. Pegging is the result of near-sized material becoming wedged in the openings of the screen media – a situation which halts efficient aggregate processing and can often create a fines…

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AGG1 2015 Preview

THE AGGREGATES INDUSTRY’S BIG SHOW OF THE YEAR PUTS THE ‘MORE’ IN BALTIMORE. By Mark S. Kuhar AGG1 is right around the corner. The AGG1 Academy & Expo is geared to the decision-makers and buyers from the companies that produce the vast majority of crushed stone, sand and gravel in the marketplace, including company owners, senior managers, plant managers, superintendents,…

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First Look – February 2015

TOP NEWS Deficient Roads, Bridges Cost New Jersey Roads and bridges that are deficient, congested or lacking desirable safety features cost New Jersey motorists a total of $11.8 billion statewide annually. Construction Starts Rose 7 Percent in 2014  For 2014 as a whole, total construction starts climbed 7 percent to $575.3 billion, according to Dodge Data & Analytics. This continues…

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