Kubota KX030-4 Main Hydraulic Pump RG468-61110 OEM Nachi for Mini Excavator Repair Replacement parts
Kubota KX030-4 hydraulic pump
,Nachi excavator replacement parts
,mini excavator hydraulic pump
| # | Part No. | Description | Qty |
|---|---|---|---|
| 010 | RG468-61110 | PUMP,ASSY(PISTON) | 1 |
| 020 | RC348-69160 | SHAFT | 1 |
| 030 | RC348-69000 | ASSY,CYLINDER(BARREL) | 1 |
| 040 | RC348-69140 | CYLINDER,BARREL | 1 |
| 050 | RC348-69090 | PLATE VALVE | 1 |
| 060 | RC348-69100 | ASSY PISTON | 1 |
| 070 | RC348-69050 | HOLDER,SHOE | 1 |
| 080 | RB401-69180 | PIN | 3 |
| 090 | RB401-69150 | SPRING | 1 |
| 100 | RC348-69020 | RETAINER | 2 |
| 110 | 04611-00350 | CIP-CLIP INTERNAL | 1 |
| 120 | RA211-90250 | PLATE | 1 |
| 130 | RB401-69030 | PIN | 2 |
| 140 | RB401-69010 | BEARING,BALL | 1 |
| 150 | RB401-69350 | SEAL,OIL | 1 |
| 160 | 04611-00520 | CIR-CLIP INTERNAL | 1 |
| 170 | 04612-00250 | CIR-CLIP EXTERNAL | 1 |
| 180 | RC348-68990 | COUPLING | 1 |
| 190 | RB401-69190 | COLLAR | 1 |
| 200 | RB401-69400 | KIT SEAL | 1 |
- 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
- 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
- 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
- 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
- Exact 1:1 OEM outer casting dimensions, supporting plug-and-play installation without modifiion 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 dedied OEM part number designed exclusively for KX030-4, simplifying spare part ordering and inventory management for suppliers and repair service workshops
- 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
- 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 modifiion 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.
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