Hydraulic pressure dropping or slow cycle times on your ZX70? A worn HPV55 pump lets the rotating group bypass internally, starving every circuit. The HPV55 is a Hitachi main pump used on ZX70, ZX75 excavators. RITO rebuilds this main pump to OEM clearances so your machine's dig force and speed come back from the first hour.
Item NO.:
HPV55Order(MOQ):
1pcsPayment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANShipping Port:
Huangpu,GuangzhouLead Time：
In StockHPV55 Excavator Main Hydraulic Pump for Hitachi systems on ZX70, ZX75 excavators. Precision-machined barrel bores and lapped valve face restore volumetric efficiency, while the factory-calibrated regulator maintains stable pressure-flow output.
| Part Number | HPV55 |
|---|---|
| Part Name | Excavator Hydraulic Main Pump (Piston Pump) |
| Compatible Brand | Hitachi (HPV55) |
| Applicable Models | ZX70, ZX75 Excavator |
| Application | Main hydraulic pump for ZX70, ZX75 excavator all-function operation |
| Material | High-strength alloy steel |
| Product Color | Metallic industrial finish |
| Working Temperature | -25°C~+60°C |
| Key Function | Generates main hydraulic flow and pressure for work circuits |
| Condition | 100% New Aftermarket OEM Quality |
| Packaging | Wooden Case Reinforced Carton Neutral Packing Customized Box |
The HPV55 components are machined to OEM clearance for correct fit and restored volumetric efficiency on ZX70, ZX75 machines.
High-grade alloy steel and phosphor bronze construction withstand the pressure loads of Hitachi systems in continuous duty.
Supplied ready for installation with the components required to rebuild the HPV55 drive group in one order.
The HPV55 covers ZX70, ZX75 - one part number serving multiple machine models.
FAQ
Q: Which excavator models does the HPV55 fit?
A: The HPV55 is used on ZX70, ZX75 excavators. Confirm your machine model and serial number for exact application.
Q: What symptoms indicate the HPV55 needs replacing?
A: Main circuit pressure falls below specification, all functions slow, and case-drain flow exceeds the OEM limit.
Q: What is included with the HPV55?
A: The HPV55 is supplied as a complete assembly/kitset ready for installation. Confirm exact scope with our team for your machine.
Q: How to confirm the HPV55 is the correct part for my machine?
A: Match the part number HPV55 and confirm the machine model is ZX70 / ZX75. Provide the machine serial number for cross-reference.
Q: What quality options are available?
A: We provide original, OEM and high-quality aftermarket versions with stable supply capability.
Q:Why Choose RITO?
A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies
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