Tandem vibratory roller consists of a large drum in front and a vibrating drum on the rear end, with operating weight varies from 3 tons to 13 tons. Two heavy drums surely increase the tandem rollers' weight, at the same time, the rear drum aids in compacting the road surface as the front drum passes over it. The tandem rollers adopt water wheel type lubrication on the vibratory bearing, and its plastic lined water tanks can provide water continuously to prevent asphalt from sticking to drums during the compaction.
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