18m Long Reach fits CAT 320D 320DL 320EL Excavator 9.7m boom, 8.3m stick, 0.6m3 Bucket, 6 pins, 7 pipes, 12ton linkage, CAT 312 cylinder. Total Weight: 4620 Kgs including bucket Supporting structure included for easier packing and transportation CE mark Using Computerized analysis for the stress distribution of the long reach and optimizes the design structure Using larging milling equipment to improve welding Using Cold-rolled precision steel for the pipes and finishing by phosphoric acid washing, in order to make the pipes smoother, reducing hydraulic oil flow resistance and reducing oil circuit pollution Using Robotic top quality welding Using ultrasonic non-destructive testing to ensure the welding quality Using top Quality boring machine to ensure the parallelism of the pin holes All products are sandblasted, the appearance of the product is smooth and clean Using top quality cylinders