The Fiat-Ansaldo M11/39 was an Italian medium tank from the Second World War. The Fiat-Ansaldo M11/39, or Carro Armato M11/39 as it was officially named, was armed with a 37 mm Vickers-Terni L/40 main gun along with 2 Breda 38 machine guns (8 mm). The vehicle weighed 11,175 kg (24,640 lb) and armour up to 30 mm.
1. “Fiat M11/39.” Wikipedia: The Free Encyclopedia. Wikimedia Foundation, Inc., 28 Sep 2013. Web. 14 Oct 2013. <http://en.wikipedia.org/wiki/Fiat_M11/39>.