Original Excavator TRACK-LINK 1022315 for Hitachi ZX800

This heavy-duty high-strength chassis Original Track Link assembly has Hitachi original core part number 1022315. The core skeleton of this high-end chassis serves as the absolute physical proof for the excavator to bear the weight and driving force of the entire machine, and is specially designed for deep matching of Hitachi's large heavy-duty mining hydraulic excavator. It is precisely suitable for 80 to 90 ton giant Mingxing models such as Hitachi ZX800, ZX850, ZX870, etc. The product is based on first principles and is made of high-quality and high hardenability alloy steel through fully automatic forging and precision deep induction heat treatment technology, which endows it with extremely high surface wear resistance hardness and core impact toughness, seamlessly resisting the ultra-high pressure instantaneous alternating load under extreme mining rock excavation and rough transition conditions. The single-sided chain link (with pitch and number perfectly matching the original chassis) has an overall net weight of approximately 820kg (depending on the number of links in the entire chain track).

"Extreme cleaning and original factory matching (core pit avoidance): Before installation, a wire brush must be used to thoroughly remove rust, oil stains, and sand and gravel from the mating surfaces of the drive wheel, guide wheel, and chain rail joint. When the master pin of the chain rail joint is pressed, it must be matched with a brand new original high-strength sealing ring and locking pin. It is strictly prohibited to cause plastic deformation of the pin end face due to rough tapping to prevent sudden fracture in the later stage.

Special hydraulic equipment press fitting: When connecting the Master Link, a professional large tonnage portable hydraulic track press machine (Track Press) must be used for precise and smooth pushing to ensure that the axial interference fit stress distribution between the pin shaft and the liner is uniform, and to prevent late shaft displacement caused by slight deformation due to unilateral force."