This article introduces new technology and differences of three kinds of foreign crawler cranes, also domestic crawler crane market situation is included. As its unique features of high lift capacity, wide work space and lower pressure, superiorities of crawler crane are recognized by many people. Recently, therere big changes in its structure, transmission, control etc.. Many Chinese companies have imported high lift capacity crawler crane for business, for example Liebherr LR11250 and Manitowc 21000. At the same time, domestic manufactures commit themselves to develop more new products. SANY has launched SCC4000 crawler crane in May 2006. Its lift capacity is the heaviest among domestic crawler cranes now.
