You're right, it's impossible to quantify. The point I tried to carry across with my notes on my experience was that these vehicles were very fragile and considering road conditions in Russia (I take it you saw those mud road pictures recently published) it would be very difficult to keep a significant number running. Hence the importance of railways, but that's another matter.

Converting those Opel Blitz to 4x4 was a good idea, only the numbers (25,000) were as ever with the Reich insufficient. The Russians got a quarter off a million trucks in Lend Lease only (go to the recent thread on LL for exact figures) and even then sustaining offensive operations was a pain, no wonder their offensives worked by hiccups.

Also something that is not generally taken into consideration is that we normally have available figures for American origin LL, I would like to see the same level of detail on Canadian equipment and suplies sent to the SU. In this particular case I mean the cornucopia of Canadian Military Pattern Fords and Chevrolets.

Very interesting forum, by the way.