Issue link: http://read.dmtmag.com/i/75471
Increased bucket capacity Hitachi Construction Products' new ultra-large, EX2600-6 hydraulic excavator is heavier than its predecessor and has more engine horsepower. The bucket capacity has been increased from 19.6 cubic yards to 22.2 cubic yards. The reach of the front attachment has been shortened, and the engine output boosted by 7 percent. The cooling performance of the radiator and oil cooler has been increased, due to the use of one large 60-inch fan. Hydraulic pump output has been increased by 10 percent, resulting in a higher flow rate at the same pressure. The auto-leveling crowd mechanism increases job efficiency with one-lever control. The EX2600-6 is offered in both backhoe and loader shovel configurations. Write 55 on reader card. Links to portable equipment Superior Industries' new Geotrek Conveyor is a track-mounted radial stacker that can be directly linked with portable crushing and screening equipment in applications that require material stockpiling. Equipped with independent hydraulic cylinders at both the head and tail ends of the conveyor, the unit can also be used as a mobile transfer or link conveyor. The conveyor fea- tures a powerfold design and is equipped with proportional track drive control, which allows smoother, steadier travel when the tracks are engaged. The 42-inch-wide by 8-foot-long conveyors are self-contained, each equipped with a 77-horsepower diesel engine. Write 56 on reader card. Hybrid screen media W.S. Tyler combined the durability and longevity of polyurethane with the greater open area and cost-effective characteristics of woven wire cloth to create its new Ty-Wire screen media. Com- prised of high-carbon woven wire encased with an engineered grid comprised of polyurethane composite, Ty-Wire is able to withstand high temperatures and high tonnages, while offering a wear life up to six times longer than wire cloth, according to the company. The new material delivers up to 80 percent more open area than modular polyurethane, which minimizes blinding and virtually eliminates pegging. The hybrid design is also said to reduce main- tenance costs and enhance product longevity. The media is compat- ible with any vibrating screen and requires no deck conversion before installation. Write 56 on reader card. 14 Designed for efficiency Volvo Construction Equipment says its new D-Series excavators — the EC140D, EC160D, and EC220D — feature the latest fuel-efficient Tier 4 Interim-compliant Volvo engines and enhanced hydraulics, which means greater digging forces, faster cycle times, and better fuel efficiency. Each track is powered by an automatic two-speed shift travel motor and features greased and sealed track chains. The superstructure features anti-slip plates, steps, and handrails for safe access. Rear access behind the cab of the EC140D and EC160D models brings the main hydraulic components and engine within easy reach. Maximum net power ranges from 113 horsepower for the EC140D to 172 horsepower for the EC220D. Write 57 on reader card. AGGREGATES MANAGER August 2012