253rd Infantry Regiment 254th Infantry Regiment 255th Infantry Regiment 718th Field Artillery Battalion (155mm) 861st Field Artillery Battalion (105mm) 862d Field Artillery Battalion (105mm) 863rd Field Artillery Battalion (105 mm) 63rd Reconnaissance Troop, Mechanized 263rd Engineer Combat Battalion 363rd Medical Battalion 63rd Counter-Intelligence Detachment 763rd Ordnance Light Maintenance Company 63rd Quartermaster Company 563rd Signal Company 63rd Military Police Platoon Headquarters and Headquarters Company, 63rd Infantry Division Headquarters and Headquarters Battery, 63rd Division Artillery Headquarters Special Troops 63rd Infantry Division Band
Detachments- Division units attached to other units.
254th Inf to 3d Inf Div- 28 Dec 44-9 Feb 45 255th Inf to 100th Inf Div-- 31 Dec 44- 19 Jan 45 253rd Inf to 44th Inf Div--31 Dec 44 - 6 Feb 45 255th Inf to 44th Inf Div--19 Jan 45 - 6 Feb 45 254th Inf to 100th Inf Div--9 Feb - 17 Feb 45 63rd Div Arty to 45th Inf Div--24 Mar - 27 Mar 45 2d Bn, 254th Inf to 6th Army Group--31 Mar 45- 5 Apr 45 2d Bn, 253rd Inf to 35th AAA Brigade--16 Apr - 20 Apr 45