Putting the 4x4 transfer case to neutral effectively disconnects the drive axles from the transmisson, allowing to then be towed 4 down - the 2 wheel drive Jeep has no transfer case and therefore does not do this.
Vince and Susan
2011 Tiffin Phaeton 40QTH (Cummins ISC/Freightliner)
Flat towing a modified 2005 Jeep (Rubicon Wrangler)
Previously a 2002 Fleetwood Pace Arrow 37A and a 1995 Safari Trek 2830.