In 1975, the battalion was named for the Ticino river and received the number 131st, which had been used by the 131st Engineer Company that served with the 131st Armored Division "Centauro" during the Tunisian campaign in World War II.

With the name and number the battalion was also assigned the flag and traditions of the 9th Engineer Regiment, which had been active between 1926 and 1943.

[1] The battalion's anniversary falls, as for all engineer units, on 24 June 1918, the last day of the Second Battle of the Piave River.

[1] During World War II the regiment's depot in Trani mobilized the following units:[1] The XXVI Engineer Battalion fought on the Eastern Front and was awarded a Bronze Medal of Military Valor for its conduct and sacrifice.

In the evening of 8 September 1943, the Armistice of Cassibile, which ended hostilities between the Kingdom of Italy and the Anglo-American Allies, was announced by General Dwight D. Eisenhower on Radio Algiers and by Marshal Pietro Badoglio on Italian radio.

Germany reacted by invading Italy and the 9th Engineer Regiment was disbanded on 14 September 1943 by German forces.

In October 1942, the division was transferred to Libya to reinforce the Panzer Army Africa fighting in the Western Desert campaign.

[1] In November 1968, the battalion was deployed in the Province of Vercelli to help rescue efforts after heavy floods had devastated the area.

For its work in Vercelli the battalion was awarded a Bronze Medal of Civil Merit.

Also on the same day, the "Ticino" battalion transferred the 5th and 6th engineer companies, which had been formed during the 1963 reform, to the two new brigades.

[1][5] On 12 November 1976, the President of the Italian Republic Giovanni Leone assigned with decree 846 the flag and traditions of the 9th Engineer Regiment to the battalion.

The battalion also received the traditions of all engineer units, which had served with the "Centauro" divisions.