Carro Armato was the Italian Army's designation for tanks from 1938. This would be followed by a letter and a series of numbers. The letter would be either L, M or P meaning light, medium, and heavy tank respectively. The official Italian military tank classification differed from contemporary classifications in other countries. The numbers would follow the pattern of X/Y where X would be the weight in tonnes and Y the year of adoption. The following are some Carro Armatos that entered service:Carro Armato L5/21: Fiat L5/21 light tank Carro Armato L5/30: Fiat L5/30 light tank Carro Armato L6/40: Fiat L6/40 light tank Carro Armato M11/39: Fiat M11/39 medium tank Carro Armato M13/40: Fiat M13/40 medium tank Carro Armato M14/41: Fiat M14/41 medium tank Carro Armato M15/42: Fiat M15/42 medium tank Carro Armato P40: Fiat P26/40 heavy tank
