Order of Battle Battle of Pingxingguan

China
Chinese units mentioned defending Pingxingguan: [1]
 * 17th Corps - Kao Kuei-tse (from 7th Army Group)
 * 84st Division - Kao Kuei-tse (concurrent)
 * 21st Division - Li Hsien-chou
 * 73rd Division - Liu Feng-pin (from 33rd Army)
 * 15th Corps - Liu Mao-en (from 13th Army)
 * 64th Division - Wu Ting-lin
 * 65th Division - Liu Mao-en (concurrent)
 * 115th Division – Lin Biao, deputy Nie Rongzhen (from 18th Army Group – 8th Route Army)
 * 343th Brigade - Zhou Jianping
 * 685th Regiment – Yang Dezhi
 * 686th Regiment - Li Tienyou
 * 344th Brigade - Xu Haidong
 * 687th Regiment - Zhang Shaodong
 * 688th Regiment – ? (in reserve)

Japan
Attacking Pingxingguan:
 * 21st Brigade, 5th Japanese Division

Japanese forces in the ambush battle of Pingxingguan:
 * 3rd Battalion, 21st Regiment, 21st Brigade, 5th Japanese Division
 * Supply troops of the 21st Regiment - Lieutenant 高桥义夫
 * 15 supply troops and 70 escorts in 70 horse-drawn vehicles with 50 horses, filled with clothes, food, ammunition and proceeded westwards towards Pingxingguan.
 * Japanese 6th Depot
 * 2nd Company motorized supply column - First Lieutenant 矢岛俊彦
 * 176 men in 50 trucks
 * 3rd Company motorized supply column - Major 中西次八
 * ? men in 30 trucks