日立zx870-3 850-3 zx1800-3 分动箱 9249785 9276421

Looking for a reliable transfer gearbox solution for your large mining excavators? In this video, we explore the Hitachi ZX870-3, ZX850-3, and ZX1800-3 transfer gearbox models 9249785 and 9276421. You'll see a detailed walkthrough of this heavy-duty power transmission assembly, including its multi-output power distribution structure, precision gear system, and robust housing design. We demonstrate how this component efficiently distributes power to multiple systems while maintaining stability under extreme conditions.