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Construction Equipment Guide
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Tue April 09, 2013 - National Edition
The Wirtgen W 60i cold mill offers big performance in restricted spaces, but also is suited for medium-sized jobs. This new rear-loading cold mill cuts 24 in. (61 cm) wide and 12 in. (30.5 cm) deep, and meets U.S. Tier IVi emission requirements while maintaining productivity and profitability.
Its six-cylinder Deutz engine generates 215 hp (160 kW) and is ideal for removing pavement strips or trenches, milling around manhole covers, and detail work left behind by the big mills. It’s available in three- or four-wheel models, and a fold-in support wheel and detachable loading conveyor are standard features.
Soundproofing of the machine’s engine compartment reduces noise emission levels to a minimum. Wide opening service flaps permit convenient access to all filters, hydraulic components and the engine. And WIDRIVE, Wirtgen’s fully electronic machine control system, is responsible for governing the diesel engine speed, turning the water spray system on or off, governing the conveyor belt speed or assisting the machine driver in operating the leveling system.
The conveyor belt speed can be adjusted continuously to ensure optimum loading of the milled material at minimum wear and tear. When part of the milled material is to remain in the trench, the scraper blade can be raised and locked hydraulically at the required height. The remaining milled material is loaded on trucks via the discharge conveyor.
Users can choose from two discharge conveyor options: the standard discharge conveyor, or a folding discharge conveyor, which considerably shortens the machine’s overall transport length. The discharge conveyor can be adjusted in height and slewed to either side, enabling the machine operator to adjust loading of the milled material to the position of the loading truck. Mounting or removing the conveyor is a matter of minutes and can be carried out by one person only, according to the manufacturer.
The machine’s all-wheel drive with engageable hydraulic flow divider ensures optimum traction on almost any type of ground. The large locking angle of the machine’s front wheels permits an extremely small turning radius, which enables it to easily mill around manhole covers.
The available Level Pro system for the W 60i is an acclaimed automatic leveling system with two wire-rope sensors, and the available FCS/Flexible Cutter System Light option permits the use of milling drums with different tool spacings.
For more information, visit www.wirtgenamerica.com.