LT70-6 7ton crawler excavater LT70-6 7Ton Crawler ExcavatorMain Features1.Meeting Eu Tier3 Emission Regulations, more power and lower fuel consumption;2.New high performance original Cummins engine, with lower malfuction ratio and better roughness-wearing;3.Advanced positive flow hydraulic control system, easier operation and highier effienciency;4.User-friendly design, perfect after-sale service ...