Hamm Compaction Division, Wirtgen America Inc., introduced the benefits
of Oscillation Compaction technology with the HD O90V.
The designation HD O90V signifies a hybrid roller of the Hamm HD 90 platform, in which the front has a conventional vibratory drum, and the rear incorporates the revolutionary Oscillatory technology.
With an operating weight of 20,172 lbs., this 66-inch, double-drum, articulated machine offers many benefits in addition to its unique Oscillation technology. The HD O90V features a hydrostatic dual-drum drive which is infinitely variable, front and rear visibility of 3 X 3 feet, and a full 150-degree swing-around and swiveling operator's seat in an ergonomically designed operator's compartment. The intermittent spray system has manual override and is served by dual pumps and noncorroding polyethylene water tanks. All spray nozzles are clearly visible from the operator's seat.
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Its 3.5-inch drum offset to either side permits pinching of joints and increased rolling width. Service features include tiltable operator's compartment for easy service access. There is excellent visibility to both drums as well as all spray nozzles, an emergency braking system, and a maintenance-free articulated steering system. In addition to the HD O90V Oscillation/vibration compactor, the HD 90 is an all-vibratory model without Oscillation compaction, and the HD 90K is a combination model with four pneumatic tires on the rear.
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