Quoting Tom Simon
You have captured the look of it nicely. I am rating it 4/5 and I think you are only a smidge away from 5/5: slightly longer gun, and put hinges on the 2 side armor panels so you can angle them out. BTW: the pak40 had no problems knocking out T34s, but there were not many around. The T34 surprised the Germans by overrunning 37mm guns and such.
Hey! Did you see my updated model, because I swear I made just those revisions maybe a month ago, and have been waiting to upload it! Thanks for your comment, now I'm going to have to upload it! =)