Adopting EQ 1161FFJ drive 4X2 special carrier produced by Dongfeng Cross-country Vehicle Co. for truck crane. The main components and parts of chassis are general parts for Dongfeng heavy vehicles with simple control and maintenance. Yuchai Euro II (environmental protection) engine is of the characteristic of strong and well-reserved power. Three-section main boom is equipped with the second and the third section synchronous telescoping. 8.7m boom base section is of 12t max. lifting capacity, 22. ! m max. lifting height and 18m max. working radius. Hydraulic system adopts new leak-proof joints and pipe lines. Rated lifting weight:12t Maximum lifting height (m):22.1m Engine power:118kw 2600r/min Total mass (kg):14610kg