The following lines can be found in the official biographical record of the Shu ruler: "In the second month of the 9th year, Zhuge Liang set out with his army, using the wooden ox for transport" and "In the tenth year, Zhuge Liang rested his soldiers at Huangsha, encouraging them to farm the land.
木人駕車，田馬插秧《三國志蜀書後主傳》：「九年春二月，亮復出軍圍祈山，始以木牛運。」