Never could really understand why the expense of both transport and combat tracks for the Tiger 1. That was a huge expense of production, not even considering the logistics of storing and then transport of the tracks to meet at a particular rail head for a company of Tigers.,,just for a little more track width. That would have required a dozen heavy trucks and man power which would have been better served delivering ammo, fuel, food and supplies to the front line units. From photos of Tigers with transport track, they were just as effective as the field or combat version.