dubdub07 wrote:
But if you can tow it four down without removing the driveshaft, you can tow it on a dolly without removing the driveshaft.
You can't tow a 4WD 2 down because the rear wheels are linked to the front wheels thru the transfer case therefor the front wheels are trying to rotate along with the rear wheels. Depending on the design of the transfer case differential, clutches /gears under normal driving conditions see very small speed difference between front and rear axle. Towing with the front shaft held stationary and the rear shaft rotating at highway speed will very quickly build exceesive heat and destroy driveline components.