This 2021 Astec Ranger SRT11 is a used mobile screener — sometimes referred to as a trommel screen — designed to separate and classify bulk materials by size, making it well suited to quarrying, aggregate processing, recycling, and similar heavy-industry applications. Astec is a widely recognised manufacturer of infrastructure and materials-processing equipment, serving the construction, mining, and quarry industries with a range of crushing, screening, and conveying machinery.
At the heart of this machine is a rotary drum measuring 4 feet 11 inches by 13 feet 9 inches, which tumbles and grades material as it passes through. Feed is handled by a 3.8-cubic-yard hopper equipped with a 36-inch belt feeder, and the hopper is fitted with extensions to accommodate higher-volume loading. A 5-inch (125 mm) grizzly provides preliminary scalping ahead of the drum, helping to protect the screen from oversized material and improving overall throughput efficiency.
Processed material is discharged via three conveyors: a 48-inch collection conveyor, a 30-inch fines conveyor, and a 40-inch overs conveyor, giving the operator the ability to stockpile separated fractions independently on site.
Power comes from a Deutz TD2.2 L3 engine rated at 74 horsepower and certified to Tier 4 Final emissions standards, supported by a 26-gallon fuel tank for extended run times between refuelling. The machine is tracked and features a wireless remote control with grid tip functionality, allowing the operator to manage tramming and screen positioning from a safe distance. The unit is currently located in Utah, USA, and is offered at $210,000.
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