Small pavers, big differences

As the name suggests, gravity-fed pavers rely solely on gravity to feed asphalt from the hopper to the screed assembly. When asphalt is dumped into the hopper by feeder trucks, the paver's bed is hydraulically raised until gravity takes effect. Photos: BOMAG Americas Inc.

When paving at full width, consistent material flow to the entire screed can be a problem. Some manufacturers are countering this through the implementation of material-feeder augers mounted directly to the screed.

Relying on conveyors, not gravity, to deliver asphalt to the screed, conveyor-fed pavers can continuously receive new asphalt while pushing the feeder truck. Also, there is enough hopper capacity to continue paving while swapping a new, full truck into the operation.

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