A huge site with detailed drawings of all the vehicels used by the RKKA in the GPW. It is quite extensive: Engines of the Red Army in WW2
Gotthard, Thanks for the link. I think I stumbled on the old website a while ago, but now looks improved. Regards Tom
Ah, yes, has been in my bookmarks list since times immemorial. Also very interesting is their summary on Lend-Lease numbers.