Dana Corporation's Commercial Vehicle Systems group has expanded its family of heavy-duty single and tandem drive axles with the introduction of the new Dana® Spicer® 590 drive axle series. The helical reduction axles represent a natural extension of the successful 190 series that debuted last year. They are designed to meet and exceed the unique requirements for vehicles involved in vocational applications such as construction, heavy hauling, mining, logging, oil fields, and refuse.