Jarrett H
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Just found this article that answers lots of fixed spindle vs unit bearing questions.
Unit Bearings Versus Rebuildable Hubs Debate - Dynatrac - SpynTec - Off-Road Magazine
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Unit Bearings Versus Rebuildable Hubs Debate - Dynatrac - SpynTec - Off-Road Magazine
The Ford Super Duty unit bearing design is different in that is held together by a large nut on the back. The vehicle can be driven with a broke stub shaft or with the axleshaft removed. These also use selectable hubs, providing maximum fuel economy and reducing front axle wear.
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