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Volvo unveils DD128C double-drum compactor

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Volvo Construction Equipment’s new DD128C double-drum compactor, showcased at its ConExpo booth, is designed to provide both smoothness and productivity, says the company.

The 79-inch-wide drum with chamfer and radii drum edges gives the machine high compaction performance and reliability, Volvo CE says. With a diameter of 55 inches, the drum has auto-reversing eccentrics to ensure eccentric rotation in the direction the drum is rolling. An automatic drum wetting system adjusts water flow to the speed of the drum to both minimize water use and ensure uniform drum coverage, preventing material pickup.

With an eight amplitude eccentric system, the DD128C has an amplitude range of 0.003 – 0.03 inches, giving it the ability to compact materials from an ultra-thin lift on up to a 4-inch lift. Using technology to detect the amplitude setting, vibration frequency is automatically adjusted to the highest vpm available for the amplitude setting.

Powered by a 148-horsepower Volvo D4 Tier 4 Final engine, the DD128C has optional auto-idling and auto-engine shutdown. The engine and hydraulics are designed to work together to provide quick eccentric start times and enhanced drum performance.

The machine’s ROPS/FOPS certified platform, all-around visibility, adjustable seat and 180-degree rotating console provide jobsite visibility as well as unobstructed sightlines to the mat. The swing-up hood gives unobstructed access to the engine and hydraulic components; a single key accesses all service doors.

The DD128C features Compact Assist intelligent compaction system, which gives the operator with real-time feedback via a 10-inch Volvo Co-Pilot display on compaction status. Pass mapping shows where work has been done, and which areas require more attention. Temperature mapping ensures operators are compacting the asphalt before it cools. Compact Assist with Density Direct reveals the density of the mat in real-time. All the job data is stored and made available on the machine or over the air.

The Impact Spacing Meter from Volvo provides a visual reference of speed control to maintain proper impact spacing. The DD128C can also limit machine speed to maintain proper impact spacing automatically.

Global Heavy Machinery Parts Dealers: website AGA Parts.

 

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