When it comes to the quality of an excavator top roller, elements like raw materials, heat treatment, precision machining, and part quality are essential—but the assembly process is just as crucial.
This video shows the assembly line for our Hitachi EX300 top roller. You can see the key steps before painting, including installing the bronze bushings and oil seals, pressure testing, and oil injection.
The EX300 carrier roller is also compatible with other Hitachi excavator models, such as EX400, EX450, ZX370, ZX450, and ZX470.
Contact us to learn more about our excavator undercarriage parts!
Email: info@kthpart.com
Whatsapp: 86-18850110101
Address : Building 17, Block 9, Section D, 27th Road, Chenghui International Hardware and Electrical City, Xiamei Town, Nan'an City, Quanzhou, Fujian Province
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