Wooden ox

The wooden ox (木牛流馬; lit. wooden ox and flowing horse) was created by Zhuge Liang while he served Shu Han. It was a thought to be either

or

The correct English name should be "wooden galloper with a free-standing cargo box" since said device walks in a gallop form. It was equipped with two handles to make it walk by manpower. The swing cargo box is used to store useless work caused by the up-and-down motion of the walking machine. When the cargo box swung forward, the walking machine steps forward at the same time to raise efficiency. This invention was specifically mentioned in the Romance of the Three Kingdoms, Records of Three Kingdoms, Book of Qi, and some other works from the Song Dynasty.

The "pulled wheelbarrow" understanding of the wooden ox was noted in the book "The Seventy Great Inventions of the Ancient World by Brian M. Fagan", and was thought to be similar to the rickshaw. This would make better sense, because the wheelbarrow could have been a development flowing forth from the chariot.

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