??W170B?W190B??????????CNH Tier III??????????????????145???195???169???227?? – ??????????????????13%????????????16% ? 

Komatsu? PC160LC-7???????????? Komatsu America Corp.??????????PC160LC-7???????????????Tier 3???????????????????????PC160LC-7??????????????????????????????? 

John Deere?????????????? ??????John Deere J????????????????????????????Tier 3???????PowerTech????Deere?????Quad-Cool?????????????????????????????????? 

??Liebherr???????????????12% ?2007 Bauma????Liebherr????????????????2001????Bauma???A 314 Litronic????????????? 

Sumitomo????????????? ?????????Sumitomo Construction Machinery & Manufacturing??????????Dash-5??????