Designed to improve serviceability and reliability of vehicle wheel ends, PreSet Plus hub systems are now standard on all Class 8 truck models from Peterbilt Motors Co.
The hub systems, according to the manufacturer, feature a 40% improvement in surface finish, resulting in superior rolling contact, reduced friction, lower operating temperatures, and increased lubrication and bearing life. PreSet Plus hub assemblies are available in iron and aluminum versions on steer and drive axles with disc or drum brakes.