The forward section is home to a massive roller or drum while the rear section carries the driver’s cab, engine and huge tires. The two are connected with a three-joint, self-leveling, center pivot assembly. In a design like this, a heavy roller can apply as much as 50 tons of compaction power to the ground. Whether building a reservoir in the valley of Chile’s Rio Blanco or a dam in the eternal ice of the Tiefenbachferner glacier in Austria, rollers designed to compact the soil hardly shy away from extremes. Dirt, dust, vibrations and ambient temperatures between -40 and +50 degrees Celsius make the greatest conceivable demands on all the machinery components used in Hamm’s H Series.
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