Age of Strategy Forums

The Sōkō Sagyō Ki (装甲作業機, lit. "armoured work vehicle"), also known as the SS-Ki (SS機/SS器), was a fulltrack engineering vehicle of the Imperial Japanese Army (IJA) introduced in 1931. The vehicle was considered by the IJA to be one of its most versatile multi-function support vehicles.

https://en.wikipedia.org/wiki/S%C5%8Dk% ... y%C5%8D_Ki