... capacity:0.24 m3 3,operating weight:7t 6tons to 22 tons Hydraulic Crawler Excavator 7t Model HYE70-6 Main ... mp Hydraulic systemMain pump2X Column pump+Column pumpMax.displacement66.2 ml/rMax.pressureBoom,Arm,Bucket22MpaTravel circuit22MpaSwing circuit21MpaControl circuit4MpaPilot pumpGear pumpMain ... 85X880X55(mm)Bucket85X600X55(mm)Blade110X183X60(mm) 6 tons to 22 tons Hydraulic Crawler Excavator