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Alcoa Rolls Out New Lightweight Wheels and Aerodynamic Covers

Pittsburgh-based Alcoa Corp., the eighth largest aluminum producer in the world, recently introduced new lighter wheels and more aerodynamic wheel covers. The ULT36x, a 22.5 X 8.25-inch wheel and the 22.5 X 14-inch wide-base wheels 84U61 and 84U64x were introduced last spring at the Transportation Technology Exhibition in Orlando.

At 36 pounds with a 7,400-pound load rating, the ULT36x is three pounds lighter than its predecessor. It is equipped with proprietary MagnaForce alloy. According to Alcoa, the lighter weight generates a savings of up to nearly one gallon of fuel per 1,000 miles when converting from steel to aluminum on all wheel positions.

The wheel is available in Alcoa’s “High Polish” or “Mirror Polish” finish and “Dura-Bright” or “Dura-Black” surface treatments.

The ULT36x wheel offers vHub Bore Technology, which reduces hubto-wheel contact area by up to 64% versus other aluminum wheels, leaving less surface area for corrosion. It also features a unique valve access designed for easy inflation and pressure checks.

The vHub works with ATIS and Halo Tire Inflator and brings both the inner and outer dual valve into the wheel well for improved access.

The 84U61 and 84U64x weigh in at 49 pounds, three pounds lighter than their predecessors and substantially lighter than comparable steel wheels. These wide-base wheels are available with dual valves featuring a second valve stem and a pressure monitoring sensor with no disruptions when operating one valve while air pressure is serviced on the other.

The wheels have Alcoa’s “DuraBlack” surface treatment on both sides. They also come with color-matched components including black valve stem and laser-etched logo.

To go with these new wheels, Alcoa has debuted its Aerodynamic Solutions line of wheel covers. The Aerodynamic Steer Cover was designed and manufactured to push air away from a vehicles wheel while limiting aerodynamic drag.

Testing on the new covers revealed fuel savings of up to 0.35 gallons of fuel per 1,000 miles, representing a $120 annual savings per truck based on 100,000 miles. Overall, savings from the new wheels and covers could add up to an estimated $350 a year per 100,000 miles.

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