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A: SRW Super Duty's from '99-'01 wear a Dana 50 in the front (4x4 only). The Dually's wear a Dana 60. In '02 the front axle was changed to a Dana 60 for ALL Super Duty's (SRW & DRW). All SRW trucks use a Sterling 10.5" full floating axle in the rear. Dually's use a Dana 80.
Rezvani's Latest Post-Apocalytic Monster Is a Ford F-150 Raptor Underneath
Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.