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Updated: July 8th, 2008 05:26 PM GMT-05:00

Advances in Asphalt Paving

Screeds and other features expand paver applications.

By Equipment Today Staff

BOMAG 4413 self-propelled paver
The 4413 self-propelled asphalt paver delivers more engine horsepower, a redesigned undercarriage and improved operator ergonomics.

The 4413 is powered by a 60-hp Cummins A-series water-cooled, turbocharged diesel engine. A load-sensing hydraulic system delivers power only as needed. Even with this power-saving system, the paver can push asphalt feeder trucks while maintaining working speeds up to 160 fpm.

The redesigned undercarriage utilizes welded-steel crawler-style components. Six sealed rollers per side carry the weight of the machine. Bolt-on rock guards installed on the inside and outside of each track drive prevent asphalt buildup on the chains. Each track drive is bolted to a crossmember frame structure and can be individually removed for maintenance. The entire undercarriage structure is removable, as well.

Dual operating positions allow control from either side of the paver. Operator's stations have been rotated back towards the operator to keep controls within easy reach. Upper platforms are cushioned in rubber to reduce vibration, and the lower walk boards extend to promote easier mobility.

The 4413 offers paving widths from 8 to 13 ft. A full-floating screed provides variable paving widths and features heat and vibration to help maintain material flow and consistency. The paver hopper is designed to hold up to 7.5 tons of asphalt for long operation intervals with fewer refills. A Mega-Feed dual auger system is standard.

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