Even though it is not from WW2 the Sweeds built a main battle tank with no turret, the STVR 103 or S tank. Check it out.

Oh and the Jagd-Tiger is the best. WOW!

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The Muslim Brotherhood “must understand that their work in America is a kind of grand Jihad in eliminating and destroying the Western civilization from within and ‘sabotaging’ its miserable house by their hands..." — Mohamed Akram. http://jihadwatch.org/