Wirtgen debuts flagship large milling machines

By Jenny Lescohier17 March 2020

Wirtgen has introduced the W 220 Fi and W 250 Fi flagship models to its intelligent F Series large milling machines.

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Wirtgen introduces two new models to intelligent F Series large milling machines

The new W 220 Fi and W 250 Fi large milling machines serve a wide range of applications at a maximum milling depth of 350° mm/14 in. – from surface course rehabilitation and fine milling work to complete removal of the surface.

The W 220 Fi is equipped with a two-speed Dual Shift powershift transmission, while the W 250 Fi has an Active Dual Power dual engine drive. With an engine power of 801 HP/812 PS (W 220 Fi) and 1,010 HP/1,024 PS (W 250 Fi) respectively, the two flagship models are built for power.

Like the F Series models W 200 Fi, W 207 Fi and W 210 Fi, the W 220 Fi and W 250 Fi also have as standard equipment the Mill Assist standard assistance system that provides the optimal balance between performance and operating costs. This is said to not only improves milling performance, but also reduces diesel, water, and pick consumption, as well as CO2 emissions.

The machine operator can also preselect a working strategy from ’Cost-optimised,’ ’Performance-optimised,’ or ’Milling texture quality.’ For example, it is possible to define the required milling texture quality on a scale of one (coarse) to ten (very fine) in advance at the touch of a button.

Mill Assist also automatically controls the two-speed Dual Shift powershift transmission. Together with the diesel engine, the intelligent control of the two-speed powershift transmission extends both the upper and lower range of possible milling drum speeds.

With the Active Dual Power dual engine drive of the W 250 Fi, depending on the project situation and the pre-selected working strategy, Mill Assist then automatically controls just one or both motors. In addition, the engines operate efficiently at optimally adapted speeds. This significantly reduces costs for diesel and cutting tools.

The Wirtgen Performance Tracker (WPT) calculates the surface milling performance, milling volume, and consumption values for the machine. All-important performance and consumption data are displayed on the operator’s platform in real time for the milling machine operator and are also sent to the machine operator by email in an automatically generated report immediately after completion of the milling work.

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