Gules, a sea lion Argent, in dexter chief the head of a stone war club of the like.
On a wreath of the colors Argent and Gules, a castle tower with four battlements of the first, masoned Sable, charged with a Korean taeguk (scarlet at the top, blue at base) all in front of a demi-Philippine sunburst Or, bearing an upright arrowhead of the second.
LABORARE EST VINCERE (To Work Is To Conquer).
Scarlet and white are the colors used for the Corps of Engineers. The sea lion, from the coat of arms of the City of Manila, represents service in the Philippine Islands. The stone war club head, commonly used by the native warriors of New Guinea, alludes to service in New Guinea during World War II.
The Philippine sunburst symbolizes the organization's Philippine Presidential Unit Citation. The scarlet arrowhead is symbolic of the unit's assault landing at Luzon. The Korea taeguk alludes to the organization's Korean Presidential Unit Citation. The tower with four merlons represents the 76th Engineer Battalion's four Meritorious Unit Commendations.
The coat of arms was originally approved for the 76th Engineer Construction Battalion on 27 June 1952. It was redesignated for the 76th Engineer Battalion (Construction) on 12 April 1955. The insignia was redesignated for the 76th Engineer Battalion and amended to add a crest and revise the blazon of the shield on 17 May 1976.