Those don't look like any German World War II Panther or Tiger or Panzer tanks I'd ever seen.
No CGI at the time obviously and it was very expensive to build your own replicas from scratch so hence they used T34's for this film.
This was standard practice for pretty much every WWII movie from the 50's through the 70's.
On a related CGI note, just sat down to watch Red Tails, it has been sitting on the DVR for more than a year, while the story it's self is fine, the flying scenes...
Chlanna nan con thigibh a so's gheibh sibh feoil Sons of the hound come here and get flesh Clan Cameron