Tudor Tanase
Active member
A bit OT, but seeing that bevelled roof edges are mentioned, I wonder how many people know what the reason for them is, e.g. on military trucks like the iconic Gaz66. The shape of the body is intended to fit the railway loading gauge specifications (marked "Eisenbahn-Lichtraum" on the diagram) for rail transport through tunnels and the like. AFAIK the Russians made sure their trucks fit western Europe tunnels - gives you an indication intentions were a bit more than purely defensive 
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