Fitting Vehicle Options: 3 - HD DODGE 2WD, 63 - REG CAB CHASSIS WHEEL BASE 1, 64 - REG CAB CHASSIS WHEEL BASE 2, 8 - HD DODGE 4WD, 93 - CREW CAB W.B.4, DF3 - 6-Speed Automatic Transmission Aisin AS66RC HD, DFX - 8-Speed Automatic Transmission 8HP75-LCV, ESB - 8 Cyl 6.4L Heavy Duty HEMI