When I was a kid, back in the 70s, there was a movie shown on local TV quite a bit. The only thing I remember about it was a tank (possibly a Sherman) and a Stuka(?) dueling it out in the desert. There was something wrong with the Stuka and it could barely get off the ground. I think there was something wrong with the Sherman as well. The whole movie might have been a back and forth duel in the desert between them. Anyone know what this movie was?