ShieldGules, on a fess flory of three abased Argent a trussed girder fesswise throughout of the first, in chief two bunches of grapes with stalks saltirewise of the second.
CrestThat for the regiments and separate battalions of the Army Reserve: From a wreath Argent and Gules, the Lexington Minute Man Proper. The statue of the Minute Man, Captain John Parker (H.H. Kitson, sculptor), stands on the common in Lexington, Massachusetts.
ShieldScarlet and white are the colors for Engineers. The trussed girder symbolizes the Battalion's mission of construction. The three fleurs-de-lis allude to honors awarded for service in France and the two bunches of grapes for service in the Rhineland and Central Europe in World War II.
CrestThe crest is that of the United States Army Reserve.
The coat of arms was approved on 23 June 1958. It was amended to change the motto to the English translation of "Ready Now" on 20 November 1970.