2019-6-10 · The PTS is a Soviet tracked amphibious transport. PTS stands for Plavayushchij Transportyer - Sryednyj or medium amphibious transport vehicle. Its industrial index was Ob'yekt 65. Introduced in 1965,[1] it is large, with a substantial payload of 10 tons, two to four times the capacity of the BAV 485, and better cross-country performance, at ...