While no one reported it, there are indications that a number of the Russian MT-LBu (Multi-Purpose Fully-Amphibious Armored Carrier) are now in service with the PLA. Initially, the MT-LBu was developed to host the 122mm 2S1 Gvozidka self-propelled artillery system. Over time, it has become known as the “tractor” because it has the same chassis as so many specialized variants that are in service