Wirtgen W 220 Xfi.
Wirtgen has announced its W 220 Xfi cold milling machine is now available for contractors and businesses working on asphalt projects. Equipped with a John Deere engine and multiple features for the active protection of the environment, the W 220 XFi combines sustainability and performance.
In automatic mode, Mill Assist selects the operating strategy with the most favorable balance between milling performance and operation. The Multiple Cutting System for milling widths between 2.20 m and 3.80 m (7 ft., 3 in. to 12 ft., 6 in.) makes it possible to switch between milling drums and units.
Engine and Performance
This large milling machine from the “Xtended F-Series” with a standard working width of 2.20 m (7 ft., 3 in.) comes equipped with the latest engine technology. The 18 L (1,100 cu. in.) John Deere JD18L engine provides up its maximum power of 627 kW (840 hp) even at only 1,500 rpm. It has been designed for cold milling, with high torque under various load conditions.
Due to the dual shift transmission, the high torque can be used at low rpm for milling performance. Even at low engine speeds, high milling drum rotation speeds are possible. The engine meets emissions standards without requiring DEF (diesel exhaust fluid or AdBlue).
Mill Assist
The machine control system Mill Assist increases milling performance while simultaneously reducing diesel and water consumption and pick wear. The system controls engine speed automatically according to the needs of the operator.
At lower speeds, fuel consumption, noise emission and pick wear can be reduced. The upper speed range makes milling patterns possible at higher area performance rates.
The operator can also select one of three operating strategies: ECO, performance-optimized or milling pattern quality. This makes it possible, for example, to pre-define the required milling pattern quality incrementally from coarse to very fine at the press of a button.
Wirtgen W 220 Xfi.
Digital Assistance Systems
The machine control system Mill Assist and the Wirtgen Group Performance Tracker Milling (WPT Milling) assist operating personnel and increase milling performance. These systems have already delivered clear proof of their potential in the other F-series cold milling machines.
With the W 220 XFi, these systems have been further developed to display CO₂ emissions. Both the current emissions and the carbon intensity can be viewed on the control screen in relation to milling mass. The automatically-generated WPT report can also include the CO₂ emissions of the entire project in addition to other construction-relevant data—an expansion of the data foundation used in jobsite analysis and documentation.
Different construction projects can now be compared in terms of carbon emissions, leading to new conclusions about how to optimize the next job.
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