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Wirtgen Introduces New Half-Lane Cold Mills

Tue January 25, 2011 - National Edition
Construction Equipment Guide

There are two new large cold mills from Wirtgen America Inc. — the W 200 and W 210 asphalt cold milling machines

The new W 200 is a large but compact milling machine that can be equipped with milling drum assemblies of 59 in. (150 cm), 79 in. (200 cm), or 87 in. (221 cm) working width. Three selectable engine speeds enable a broad range of applications, such as large-scale surface course rehabilitation, complete pavement removal at full depth, fine milling, and many others. It has a milling depth of 0 to 13 in. (0 to 33 cm) and is powered by a single engine generating 550 hp (410 kW). Its operating weight is 59,934 lbs. (27,185 kg) with half-full water tank, half-full fuel tank, a 165-lb. driver, and tools.

Like the W 200, the new W 210 is a large but compact milling machine, which can be equipped with milling drum assemblies of 59, 79, or 87 in. working width. But unlike the W 200, the W 210 boasts a fuel-saving drive concept utilizing two diesel engines, generating a total 671 hp (500 kW) with both engines engaged. Like the W 200, it features three selectable engine speeds, which enable a broad range of applications. Its operating weight is 62,138 lbs. (28,185 kg).

The W 200 and W 210 incorporate a number of innovative new technologies for cold mills.

Their Parallel-to-Surface (PTS) technology automatically keeps the cutter housing level as the W 200 and W 210 move into a cut, accelerating production, and their “smart” WIDRIVE technology offers new microprocessor-controlled enhancements to machine control systems, tying all main functions to a single source to manage fuel costs, tooth costs and other variables.

Their Intelligent Speed Control system incorporates an electronic flow divider that makes the four tracks work in harmony when turning a radius. Skipping and notching are eliminated, track wear is minimized, and the machine operates smoother. They incorporate the Level Pro, Wirtgen’s existing automatic leveling system which is highly user-friendly, and regulates the pre-set milling depth and actual readout electronically, according to the manufacturer.

Asphalt and concrete milling is one of the most abrasive environments for any machine, but the new Vacuum Cutting System will remove dust, fines and smoke from the cutter chamber and extract it out of the conveyor, keeping the machine cleaner and prolonging component life. And Wirtgen’s new 3DS Flexible Application Drum Speed system will automatically slow drum speeds in deep cuts, saving on fuel consumption and tooth wear.

Optional forward and rear television cameras provide a view of reclaimed asphalt pavement into the haul truck hopper, or when the unit is in reverse, a view to the rear.

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