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© 1996-2012 Harald Pietschmann

Four wheel drive systems "Full Time 4WD / Part time 4WD / automatic 4WD"

 

To offer the best of all 4WD systems some manufacturers combine some or all sytems. Sometimes to your advantage - sometimes not. I have seen systems that have: automatic AWD Hi part time 4WD Hi part time 4WD Lo  (Ford Control-Trac) automatic AWD Hi full time 4WD Hi part time 4WD Lo  (I forgot which truck) 2WD part time 4WD Hi part time 4WD Lo  (Merceds G 460 series, Jeep Command-Trac [NV231], Liberty, Wrangler) 2WD automatic AWD Hi full time 4WD Hi part time 4WD Lo  (I forgot which truck) 2WD automatic AWD Hi (TOD) part time 4WD Lo  (Isuzu Trooper, VehiCROSS) full time 4WD Hi full time 4WD Lo part time 4WD Hi part time 4WD Lo (Mercedes-Benz G 463 series, LandRover) full time 4WD Hi part time 4WD Hi part time 4WD Lo (NV 244, Dodge Durango 2002) 2WD full time 4WD Hi full time 4WD Lo part time 4WD Hi part time 4WD Lo (2003 Toypota 4Runner) automatic AWD Hi part time 4WD Lo (Quadra-Trac II,Grand Cherokee WJ + KJ [NV 247], Liberty, Dodge Ram, Chevy Suburban) automatic AWD Hi part time 4WD Hi part time 4WD Lo (Dodge Ram) 2WD part time 4WD Hi full time 4WD Hi part time 4WD Lo (Jeep Grand Cherokee, Dodge Durango - Selec Trac (NV242 ), Mitsubishi Montero (SS4)) overview of all available 4x4/4WD/AWD systems full time 4WD - symmetric all wheel drive - automatic asymmetric AWD - part time 4WD | 2WD use of traction | 4WD layouts | crawl ratio | 4WD components | Learn from 4x4 professionals to get the most from your 4WD investment: 2012 hands-on "real life" 4WD introductions