Front Runner Air Cooled S/N 600,000-669,999
Front Runner Air Cooled S/N 670,000 & Up FR23KC S/N 670,000 & Up (2007) FR25KD S/N 670,000 & Up (2007) FR27KC S/N 670,000 & Up (2007) FR31BV S/N 670,000 & Up (2007)
Front Runner Air Cooled S/N 720,000 & Up FR23KC S/N 720,000 & Up FR27KC S/N 720,000 & Up FR31BV S/N 720,000 & Up
Front Runner Air Cooled S/N 790,000 & Up FR27KC S/N 790,000 & Up FR31BV S/N 790,000 & Up
Front Runner Diesel S/N 600,000-669,999 FR25KD S/N 600,000-669,000 (2006)
Front Runner Diesel S/N 720,000 & Up FR25KD S/N 720,000 & Up
Navigator S/N 510,000-599,999 NAV20KC S/N 510,000-599,999 (2005) NAV27KC S/N 510,000-599,999 (2005)
Navigator S/N 600,000-669,999
Navigator S/N 670,000 & Up NAV20KC S/N 670,000 & Up (2007) NAV27KC S/N 670,000 & Up (2007)
Navigator S/N 720,000 & Up NAV20KC S/N 720,000 & Up NAV27KC S/N 720,000 & Up
Navigator S/N 790,000 & Up NAV20KC S/N 790,000 & Up NAV27KC S/N 790,000 & Up
Navigator S/N 850,000 & Up NAV20KC S/N 850,000 & Up NAV27KC S/N 850,000 & Up
NV20KC S/N 920,000 & Up
NV27KC S/N 920,000 & Up
NV640KC S/N 312,000,000 & Up
NV730EKC S/N 312,000,000 & Up
NV740KC S/N 312,000,000 & Up