Dragon follows their Ausf.C with an Ausf.D
While the lower hull looks the same, it's a completely new piece.
The upper hull is also new, it shares a few interior pieces with the Ausf.D
The running gear is also the same.
The tracks are identical, here is a view of the inner side of the tracks.
Dragon has included a piece of wire for the antenna, along with the same photo-etch gun shield.
Markings are included for 11 different Ausf.D's.