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Hamm HD+ Asphalt Rollers Feature Pivoting Seat, Console

Fri October 23, 2009 - National Edition
Construction Equipment Guide

The HD+ 120 and HD+ 140 rollers — the first of the HD+ Series of tandem asphalt rollers from Hamm Compaction — are articulated tandem rollers, with respective operating weights of 13.8 and 14.5 tons (12.5 and 13 t), and respective drum widths of 78 and 84 in. (198 and 213 cm).

The HD+ 120 and HD+ 140 rollers replace the existing HD 120 and HD 130 rollers in the Hamm lineup.

Each size compactor will be available in three models: the HD+ 120 or 140 VV, with conventional vibration in both drums; the HD+ 120 or 140 VO, with vibration in the front and exclusive Oscillation compaction in the rear; and the HD+ 120 or 140 VV HF, offering high-frequency vibration to 4,020 vpm. Frequency and amplitude can now be controlled independently on either drum, providing increased flexibility in the roll train.

“This machine has been developed over the last four years specifically to meet the criteria of the North American contractor,” said Richard Evans, vice president-sales, Hamm Compaction Division of Wirtgen America Inc. “They are available as conventional vibratory machines and, of course, exclusive Hamm Oscillation compaction is available on either model. A third option is a high frequency HD+ machine that features 4,020 vpm.”

Unlike some machines, which require physical movement of weights on the side of each drum to change amplitude, amplitude and frequency adjustment on the HD+ models can be done by the operator on the dashboard.

New on the HD+ models is the ability to pivot both the seat and the console across the full width of the big HD+ platform, for much better control and visibility, particularly to the drum edges. Operator comfort is enhanced with cup holders and lunch box tray.

“In addition, if you are a big guy, the steering column tilts up out of the way when you are climbing in or out of the seat,” Evans said. “Also, the drive levers are wide, so you have plenty of room for your legs.”

Also unique is the HD+ Series’ offset capability, which is close to 7 in. (17.7 cm).

“We can roll around a curb with the front drum without risking damage by the rear drum and now, with the extra 3-inch offset over the older model, we now have enough offset for a good roller operator to pinch a joint,” Evans said.

That means an operator can keep the front drum on the hot material and offset the rear drum so it can bridge between the pre-compacted hot material and the cold joint, potentially saving a pass for higher productivity, and avoiding travel in the other lane of traffic, for enhanced safety.

New drum edge lights are now standard on the Hamm HD+ Series. Halogen lights mounted on the ROPS are available either in a four-light or six-light configuration. A xenon light option on the ROPS for those markets with this requirement also is available for use where it’s specified.

For more information, call 615/501-0600 or visit

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