Shield
Gules, on a chevron Or, a wrench Sable fesswise surmounted by a wheel of eight spokes of the first, garnished of the second charged with a bezant, bearing a gutt de poix; on a chief of the second, a tribal salmon naiant Proper.
Crest
That for the regiments and separate battalions of the Army Reserve: From a wreath Or 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.
Motto
VICTORY THROUGH SUSTAINMENT.
Shield
The wrench signifies maintenance support. The wheel represents the unit's transportation and movement control mission. The oil drop upon the yellow disc denotes petroleum support handled by the battalion. The tribal salmon symbolizes the Pacific Northwest Native American culture and the location of the unit.
Crest
The crest is that of the United States Army Reserve.
The coat of arms was approved effective 17 September 2006.