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Roadtec SX-4e Reclaimer-Stabilizer



The Roadtec SX-4e is the first model of the company’s new reclaimer-stabilizer line, a 450-horsepower machine designed to take on various applications. According to Roadtec, the high-strength steel used in the SX-4e’s frame fabrication provides twice the yield strength of standard A 36 steel, thus providing high strength without excessive weight. The SX-4e uses a Cummins QSX-15 Tier 4-Interim engine and features four-wheel drive and four-mode steering. The new model can cut to depths of 20 inches and to widths of 100 inches, depending on the drum used. Its suspension system is hydraulically controlled, allowing the depth of cut to be selected via push button. The variable-geometry cutter housing allows for optimum control of material sizing and flow, and the front and rear doors of the housing are hydraulically adjustable. The belt-driven cutter drum has four speeds, and, according to Roadtec, an air-shift, four-speed cutter transmission allows speed changes without production losses. An optional, automated water/emulsion system has a 500-gpm capacity and uses fully automatic controls to modulate flow based on cut depth, machine speed, and open nozzles. The machine’s on-demand cooling system uses a variable-speed fan that takes in air from the cleanest possible area to reduce the amount of dust and debris entering the engine compartment. The fully enclosed operator station slides 18 inches past the right side of the machine for optimum visibility, and the seat and console swivel 90 degrees to further enhance visibility. The SX-4e will be joined by the SX-6e and SX-8e to round out the Roadtec family of reclaimer-stabilizers.



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