Operation Nekka order of battle

The Japanese and Manchukuoan order of battle for Operation Nekka was:

Japan
Kwantung Army

Jehol Operation Force - Field Marshal Baron Nobuyoshi Muto,
 * 6th Division (11th & 36th Infantry Brigades) - Lt. Gen. Sakamoto
 * 8th Division (4th & 16th Infantry Brigades) - Lt. Gen. Nishi
 * 14th Mixed Brigade / 7th Division - Major Gen. Hattori
 * 33rd Mixed Brigade / 10th Division - Major Gen. Nakamura
 * 4th Cavalry Brigade - Major Gen. Mogi
 * 1st Special Tank Company - Captain Hyakutake
 * 11 x Type 89 Medium Tank
 * 2 x Type 92 Combat Cars

Manchukuo Imperial Army

Manchukuoan Force 42,000 men - Zhang Haipeng

Manchukuoan units with the Japanese Northern Column 10,000 men
 * Taoliao Army - Zhang Haipeng (concurrent)
 * 7 Detachments( at least 2 are cavalry brigades)
 * National Foundation Army (Manchukuo Preparatory 2nd Corps) - Zheng Guorui
 * 3 Detachments

Manchukuoan units with the Japanese Eastern Column 15,000 men
 * National Protection Army (Fengtian Province Garrison Corps) - Yu Zhishan
 * 1st Brigade of the Guard Corps (Manchukuo Imperial Guards) - Li Shoushan
 * National Salvation Army (about 10,000 men) - Li Jizhun

China
5th Army Group - Commander in chief Tang Yulin (governor of Rehe)
 * 55th Army - Tang Yulin
 * 36th Division - Tang Yulin, at Beipiao,
 * 36th Cavalry Regiment - Shao Benliang, at Beipiao, Chaoyang, Zhuluke and Jianping. Shao defected to the Japanese.
 * 31st Brigade - ?, at Heishuizhen-Chifeng
 * Reserve Regiment - ?, at Pingquan-Chengde
 * 36th Artillery Regiment - ?, near Pingzhen
 * 1st Cavalry Brigade - ?, at Qinglianggou
 * 9th Cavalry Brigade - Cui Xingwu, at Kailu. Cui defected to the Japanese.
 * 10th Cavalry Brigade - ?, at Tianshan

6th Army Group - Zhang Zuoxiang (former governor of Jilin)*
 * 41st Army - Sun Dianying
 * 117th Brigade - Ding Ting, at Haladaokou, east of Chifeng.
 * 118th Brigade - Liu Yueting, to the north of Chifeng
 * Reinforced 1st Brigade - Xing Yuchou, to the north of Chifeng
 * Northeastern Loyal and Brave Army - Feng Zhanhai, to the north of Chifeng
 * 10th Cavalry Division - Deng Wen
 * 11th Cavalry Division - Tan Zixin
 * 12th Cavalry Division - Wu Songlin
 * 21st Cavalry Brigade - Guo Fenglai
 * 1st Infantry Brigade - Tang Zhongxin

4th Army Group - Wan Fulin* (former chairman of Heilongjiang)
 * 53rd Army - Wan Fulin
 * 130th Division - Zhu Hongxun, at Yebaishou - Dachengzi
 * 119th Division - Sun Dequan, Dachengzi – Lingnan
 * 129th Division - Wang Yongsheng, Pingquan – Sanshijia
 * 116th Division - Miao Chengliu, Lamadong – Yiyuankou
 * 106th Division - Shen Ke, Daordeng – Tangdaohe
 * 11th Artillery Regiment, Lingyuan
 * 108th Division - Yang Zhengzhi, East of Lingnan on February 27