Ming War Wagon. Scaled for 15mm , but can easily be rescaled for 10-28mm
The primary war cart of Che Ying, Pian Xiang Che is a two-wheeled cart designed to be drawn by mule. Like its namesake, only one side of the war cart (either left or right) is protected by several collapsible wooden screens, while all other sides are left unprotected. A Pian Xiang Che is one zhang five chi long and weighs six hundred catties, and comes with two large calibre Fo Lang Ji (佛狼機) breech-loading cannons. Qi Ji Guang also assigned twelve Pen Tong (噴筒) per cart, as well as one small bombard per three carts. He later added one chevaux de frise per two cart
Many thanks to https://greatmingmilitary.blogspot.com/ for the resources.