Hydraulic pressure dropping or slow cycle times on your PC40-7? A worn PVK-2B-505 pump lets the rotating group bypass internally, starving every circuit. The PVK-2B-505 is a Nachi main pump used on PC40-7, PC50UU, PC55 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.:
PVK-2B-505Order(MOQ):
1pcsPayment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANShipping Port:
Huangpu,GuangzhouLead Time:
In StockPVK-2B-505 Excavator Main Hydraulic Pump for Nachi systems on PC40-7, PC50UU, PC55 excavators. Precision-machined barrel bores and lapped valve face restore volumetric efficiency, while the factory-calibrated regulator maintains stable pressure-flow output.
| Part Number | PVK-2B-505 |
|---|---|
| Part Name | Excavator Hydraulic Main Pump (Piston Pump) |
| Compatible Brand | Nachi (PVK-2B-505) |
| Applicable Models | PC40-7, PC50UU, PC55 Excavator |
| Application | Main hydraulic pump for PC40-7, PC50UU, PC55 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 PVK-2B-505 components are machined to OEM clearance for correct fit and restored volumetric efficiency on PC40-7, PC50UU, PC55 machines.

High-grade alloy steel and phosphor bronze construction withstand the pressure loads of Nachi systems in continuous duty.

Supplied ready for installation with the components required to rebuild the PVK-2B-505 drive group in one order.

The PVK-2B-505 covers PC40-7, PC50UU, PC55 - one part number serving multiple machine models.

FAQ
Q: Which excavator models does the PVK-2B-505 fit?
A: The PVK-2B-505 is used on PC40-7, PC50UU, PC55 excavators. Confirm your machine model and serial number for exact application.
Q: What symptoms indicate the PVK-2B-505 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 PVK-2B-505?
A: The PVK-2B-505 is supplied as a complete assembly/kitset ready for installation. Confirm exact scope with our team for your machine.
Q: How to confirm the PVK-2B-505 is the correct part for my machine?
A: Match the part number PVK-2B-505 and confirm the machine model is PC40-7 / PC50UU / PC55. 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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