An all-new 66inch (1.7m) tandem roller in two different weight classes is among Hamm's launches at CONEXPO-CON/AGG 2011. Hamm will introduce the new HD+ 110 platform and the smaller HD+ 90 platform. Both platforms will offer a variety of different options, including conventional vibration, high frequency compaction at 4,020vpm, exclusive Hamm Oscillation compaction, a combination option, and a split-drum option. The HD+ 110 VO incorporates vibration and oscillation in a single platform.
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