Help i lost the d-series

Ok so i uninstalled the game and installed it again. it was there but when i added this mods it whent away:
http://www.beamng.com/resources/new-bov-sound.975/
http://www.beamng.com/resources/djploppers-configurations-mega-pack.451/
http://www.beamng.com/resources/djplopper-reworked-d-series-tow-truck-by-drowsysam.673/
http://www.beamng.com/resources/trailerpack.734/

Pleas help me find out!!