The Extec S4 Screener is a mobile screening machine used for classifying and separating aggregates, soil, and recycled materials across multiple size fractions on construction, quarrying, and waste-processing sites. Extec is an established manufacturer of portable crushing and screening equipment serving the aggregate, demolition, and recycling industries.
This machine is a dual-deck, three-fraction screener, meaning it uses two separate vibrating screen decks to produce three distinct material grades in a single pass. The screen deck measures 5 by 1.5 metres. Material is fed onto the upper deck, where a hydraulically operated grizzly grate pre-screens oversized material before the finer material passes through the primary and secondary screening surfaces. The three-fraction configuration allows operators to achieve precise product separation for applications such as sand, gravel, and fines recovery.
The screener is powered by a Deutz diesel engine and has logged 6,300 hours of use. It was imported from Germany and has not been operated in Poland. The machine is equipped with support legs for stable operation on uneven ground.
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