Hydraulic pressure dropping or slow cycle times on your ZX330-3? A worn HPV145 pump lets the rotating group bypass internally, starving every circuit. The HPV145 is a Hitachi main pump used on ZX330-3, ZX330-5G, EX300-3 excavators. RITO rebuilds this main pump to OEM clearances so your machine's dig force and speed come back from the first hour.
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