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September 02, 2010 |

By Amy Materson

JAWBREAKER

Crush up to 750 tons per hour with the Powerscreen Pegson XA750 mobile jaw crusher from Terex. Fitted with a hydraulically driven pan feeder and live pre-screening unit, the Pegson XA750 removes fines and sizes prior to crushing while avoiding packing and unnecessary manganese wear. A 55-by-32-inch unrestricted feed opening delivers a consistent feed to the jaw crusher and prevents bridging. A hydraulic closed side setting adjustment system controls product sizing at the touch of a button.

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EASY LIFTING

Reach heights of 45 feet with Caterpillar’s TH514 telehandler, which offers an 11,000-pound load capacity and 30-foot 3-inch forward reach. The TH514 features a 101-horsepower turbocharged engine, and a limited slip differential is fitted in the front axle. All three boom functions operate simultaneously, and load sensing hydraulics deliver smooth control for difficult sites. A new cab promotes visibility and features a single lever joystick with roller switches for easy operation. Readily accessible service points and ground level components simplify maintenance.

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EDITOR’S PICK

CAPABLE CRAWLER

Perform heavy dozing and finishing operations with Komatsu’s D65-16 crawler dozer, which provides 205 horsepower at 1,950 rpm and feature an automatic transmission with torque converter lock-up that improves fuel economy. The torque converter automatically transfers engine power to the transmission for a fuel savings of up to 10 percent. The dozer also has automatic or manual gear shift modes and two selectable working modes – E, for general dozing, leveling or spreading, and P, useful when slot dozing and ripping. Choose from Komatsu’s Sigmadozer blade, which has a blade capacity of up to 7.72 cubic yards for grading productivity, or a six-way PAT blade for versatility across a range of applications. The D65-16 is available in standard, low ground pressure and wide track models, and weighs in between 43,690 and 48,940 pounds. Joystick controls with Palm Command Control System improve fine control while reducing operator fatigue, and a simple electronic throttle control dial controls engine speed. A new cab design with ROPS moves the operator’s seat 4 inches closer to the blade for better visibility, reduces shocks and vibration and limits noise to 75 decibels. Routine maintenance is simplified with daily engine checks grouped together in a convenient location, and a manually reversing fan that allows the operator to clean the radiator without leaving the cab. The standard PLUS undercarriage has a rotary bushing system for extended life.