The soldiers frequently refer to being shelled by "English 88s". Although the German 88mm gun is famous, this is not an error. The British 25-pounder field gun fired an 88mm calibre shell, and the Italians would of course follow their practice of referring to calibre rather than the British practice of referring to the weight of the shell.
The motorcycle which delivers volunteer Private Serra at the beginning and then rescues him at the end is a Moto Guzzi SuperAlce.