War in Poland 1939 - false myths?

[Bartek]

Originally posted by Tony Smith
Bartek, see the thread Sherman M4A2 diesel engine designation

I don't denied that Sherman had got a diesel engine.Now I know it had,but I was intersted if it was a serial production or only prototypes,that's all.More important for me was fact that polish tank 7 TP was less flammable than its germany opponents from 1939.