Technical Parameters: Model WF-RSL-6 WF-RSL-7 WF-RSL-8 Max. Digging Depth (mm) 1850 2150 2640 Max. Digging Radius (mm) 2800 3360 3930 Max. Digging Height (mm) 2500 3400 3510 Loading Height (mm) 1400 1760 2000 Swing Arc (deg.) 160 160 160 Bucket Rotation (deg.) 160 160 160 Connect Height (mm) 410 460 460 Connect Width (mm) 399 530 530 Valve Standard Pressure 16Mpa. 16Mpa. 16Mpa. Load Capacity (m3) 0.036 0.045 0.054 Structural Weight (kg) 620 650 680 Shipping Dimensions (mm) 2200*900*2200 2200*900*2200 2200*900*2200 Bucket Width (mm) 300 400 500 Max. Digging Length (mm) 1410 1450 1610 Packing Method Iron Crate Iron Crate Iron Crate