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)
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
