... technique, high performance, 3 Engine model: YC4A125Z XP163/XP203 tyre compactor is the landmark of 3 series products developed on the ... 2 series products. It leads the development of Chinese tyre compactor due to its high start, high technique, high performance, and ... . The speed change adopts the gearbox with synchronizer, with 3 forward gears and 2 reverse gears, which can respectively meet the ...