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RG468-61110 PVD-0B-18P Main Hydraulic Pump for Kubota KX030-4 Mini Excavator
1. OEM Part Number & Machine Compatibility
Original pump model: Nachi PVD-0B-18P tandem variable displacement piston pump assembly
Kubota OEM part number: RG468-61110
Exact fit mini excavator model: Kubota KX030-4
Standard mounting flange, input shaft spline and hydraulic port layout enables direct bolt-on replacement for original pump assembly
2. Core Technical Specifications
Structure type: Dual variable axial piston main pump (first stage + second stage) integrated with built-in pilot charge gear pump
Displacement per main pump: 18 cm³/rev, matched to factory hydraulic system design of KX030-4 compact excavator platform
Second Stage Specified Parameters
Rated working pressure (second stage): 22.5 MPa
Maximum relief pressure (second stage): 24.5 MPa
Rated operating speed (second stage): 2300 rpm
Corresponding rated input power (second stage): 16.7 kW
Overall operating speed range precisely calibrated to match rated output of original engine equipped on KX030-4
Mounting bolt layout, input shaft dimension and oil port orientation strictly comply with Kubota OEM dimensional drawings
Pump housing constructed from high-strength ductile iron; internal pistons, valve plates and friction components adopt quenched wear-resistant alloy steel to extend total service lifespan
3. Internal Structure & Functional Introduction
Dual main piston pumps deliver high-pressure hydraulic oil to drive boom, arm, bucket, travel and swing working motions
Integrated pilot gear pump supplies stable pressurized oil for pilot control circuits and system hydraulic oil replenishment
Built-in load-sensing power regulator automatically adjusts pump flow output according to real-time load fluctuation, preventing engine stall during heavy digging operations
Compact tandem integrated layout fits neatly inside the limited hydraulic compartment space of KX030-4 zero-tail mini excavator
4. Product Advantages
Exact 1:1 OEM outer casting dimensions, supporting plug-and-play installation without modification to hydraulic pipelines or chassis mounting structure
Every finished pump undergoes comprehensive hydraulic bench inspection covering pressure stability, flow consistency and internal leakage testing before shipment
Complete maintenance spare parts are held in stock, including overhaul seal kits, piston assemblies, swash plates and valve plates for separate component replacement during repair work
Single dedicated OEM part number designed exclusively for KX030-4, simplifying spare part ordering and inventory management for suppliers and repair service workshops
5. Packaging & Global Delivery Details
Input shaft and all hydraulic ports are coated with anti-rust grease and sealed with protective dust plugs
The entire pump is wrapped with moisture-proof plastic film and secured inside export-grade solid wooden crate to prevent collision and moisture damage during long-distance sea or air transportation
In-stock items can be dispatched within 3 to 5 working days after order confirmation
Multiple global shipping solutions are available: international air express, sea LCL/FCL bulk shipment and overland truck transportation for global customers
6. FAQ
Q: Can RG468-61110 install directly on Kubota KX030-4?
A: Yes, unified mounting sizing and factory-calibrated hydraulic parameters support direct bolt-on fitting for KX030-4 with no extra adjustment or modification required.
Q: What is the connection between PVD-0B-18P and RG468-61110?
A: PVD-0B-18P is the official Nachi original pump model designation, while RG468-61110 is the exclusive OEM part number assigned by Kubota for this complete pump assembly.
Q: Are individual repair spare parts available for this hydraulic pump?
A: Corresponding full overhaul seal kits, piston shoe assemblies, valve plates, swash plates and standalone pilot gear pump spare parts are all available for partial overhaul and individual component replacement work.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2013
Total Annual:
900000-3000000
Employee Number:
50~93
Ecer Certification：
Verified Supplier
GUANGZHOU BELPARTS ENGINEERING MACHINERY LIMITED founded in September 2013, loed in the engineering machinery market in Guangzhou, China. At present , we have one shop, one warehouse and one office as well as a professional team for purchasing, selling, packing, shipping and after-sale service.... GUANGZHOU BELPARTS ENGINEERING MACHINERY LIMITED founded in September 2013, loed in the engineering machinery market in Guangzhou, China. At present , we have one shop, one warehouse and one office as well as a professional team for purchasing, selling, packing, shipping and after-sale service....
