Wide-base wheel takes a low profile
Alcoa Wheel Products
Alcoa has introduced a new wide base wheel engineered to work with today’s low profile long haul tires on drive and trailer axles. The new 22.5 by 14-inch wheel specifications include 10-hole, hub piloted mount with 285.75mm bolt circle. In the wide base system, one wide wheel and tire replaces a set of dualable wheels and tires.
At a lean 71 pounds, the Alcoa wide base wheel carries a 12,800 pound maximum load rating-offering more weight savings compared to the steel duals it replaces. The company says that switching from steel duals to Alcoa wide base wheels saves 318 pounds per axle – up to 1,272 pounds per tractor and tandem axle trailer. A set of dualed wheels and tires have four flexing sidewalls, compared to two for a wide base system.
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