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Jin Army Trebuchet System

Type Object Region East Asia Time c. 1125–1200

A combination of projectile-throwing siege engines, including manpower and counterweight trebuchets, formed by the Jurchen after absorbing Liao and S…

Timeline

  1. c. 1125–1135Siege battlefields of Yanyun and the Central Plains · YanyunIn the course of conquering Liao and invading Song, the Jin army captured craftsmen and engines, incorporating Liao and Song trebuchet technology into its engineer corps to form mobile trebuchet units that could accompany the army.
  2. 1141–1150Circuits of North China · North ChinaBetween 1141 and 1150, in operations against rebellious cities, Song positions, and internal garrisons in North China, the Jin army used trebuchets in combination with scaling ladders and tunnel shelters, becoming the leading firepower for breaching cities.
  3. c. 1145–1150Zhongdu Ministry of Works and military offices of the circuits · North ChinaThe Jin dynasty established engineer institutions in key centers such as Yanjing, responsible for trebuchet manufacture, repair, and storage, ensuring siege engine supplies for garrisons in North China in the mid-to-late 1140s.

Sources