A Silver metal and enamel device 1 1/8 inches (2.86 cm) in height overall consisting of a shield blazoned: Gules, in bend a railroad track between a fleur-de-lis and palm tree Argent, on a pale surtout of the second a heart of the first broken into two vertical parts by a zigzag line Argent. Attached below the shield a Silver scroll inscribed "BUILDERS OF FREEDOM" in Red letters.
Scarlet and white are the colors of Engineer organizations. The railroad track alludes to the parent unit, 47th Engineer Maintenance of Way Battalion and symbolizes one of the many construction duties of the Engineers; placed "in bend," it is a mark of military honor. The pale, symbol of strength, depicts a road, bridge, landing strip, etc., the construction and maintenance of which are the fundamental functions of the organization. The fleur-de-lis represents the organization's service in France during World War I and the palm tree represents service in the Pacific area during World War II. The scarlet, broken heart is for service in Korea, and is the identification mark used by the organization in that theater.
The distinctive unit insignia was originally approved for the 44th Engineer Construction Battalion on 6 November 1951. It was redesignated for the 44th Engineer Battalion on 31 October 1955.