The 7081S00251 Hydraulic Main Pump is a premium GP replacement component specifically engineered for Komatsu PC30 series excavators. This high-performance hydraulic pump delivers exceptional power, reliability, and efficiency for your construction and excavation operations. Manufactured to meet Komatsu’s exacting standards, this main pump ensures optimal hydraulic system performance in various working conditions.
Compatible Models and Applications
This hydraulic main pump is designed for perfect compatibility with Komatsu PC30 excavator models including:
PC30 Series:
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Komatsu PC30MR-2
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Komatsu PC30MR-2S
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Komatsu PC30UU-2 (Urban Utility)
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Komatsu PC30R-2
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Komatsu PC30R-2S
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Komatsu PC30MR-3
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Komatsu PC30MR-3S
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Komatsu PC30UU-3
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Komatsu PC30R-3
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Komatsu PC30R-3S
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Komatsu PC30MR-4
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Komatsu PC30MR-4S
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Komatsu PC30UU-4
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Komatsu PC30R-4
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Komatsu PC30R-4S
Additional Variants:
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Komatsu PC30 Compact Excavator
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Komatsu PC30 Mini Excavator
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Komatsu PC30 Material Handler
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Komatsu PC30 with Blade
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Komatsu PC30 Zero Tail Swing
This unit serves as a direct replacement for part numbers 7081S00251 and 708-1S-00251, ensuring perfect fitment and performance compatibility with all PC30 series excavators.
Key Features and Benefits
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Premium Construction: Built with high-quality materials to withstand demanding excavation conditions
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Precision Engineering: Manufactured to exact Komatsu specifications for seamless integration
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Enhanced Efficiency: Optimized hydraulic flow design ensures maximum power output
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Superior Durability: Advanced sealing technology protects against contamination and wear
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Smooth Operation: Precision-balanced components minimize vibration and noise
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Corrosion Resistance: Multi-layer surface treatment protects against rust
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Easy Installation: Direct OEM replacement design reduces downtime
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Compact Design: Perfect fit for mini excavator applications
Technical Specifications
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Part Number: 7081S00251
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Alternative Part Number: 708-1S-00251
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Type: Hydraulic Main Pump
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Maximum Pressure: 280 bar
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Flow Capacity: 45 L/min
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RPM Range: 1500-2000
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Port Connections: SAE standard fittings
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Mounting Pattern: Direct bolt-on compatibility
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Weight: 12 kg
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Material: High-grade aluminum and steel components
Performance Advantages
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15% improved efficiency over standard replacement pumps
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20% reduction in noise levels
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Enhanced contamination resistance
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Optimized for compact excavator applications
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Stable hydraulic pressure across operating conditions
Installation and Maintenance
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Direct replacement requiring no modifications
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Comprehensive installation guide included
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Recommended service intervals: 1,500 operating hours
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Compatible with Komatsu original hydraulic fluids
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Easy access to service points for maintenance
Why Choose Our 7081S00251 Hydraulic Main Pump?
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Perfect Compatibility: Exact OEM replacement ensures no fitment issues
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Quality Assurance: Rigorous testing under simulated working conditions
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Durability: Quality materials for extended service life
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Warranty Protection: Comprehensive coverage against defects
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Performance Guarantee: Matches or exceeds original equipment performance
Frequently Asked Questions
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Is this pump compatible with all PC30 variants?
Yes, it is designed for all PC30 series models including MR, UU, and R versions. -
What’s the difference between 7081S00251 and 708-1S-00251?
These are alternative part numbers for the same genuine Komatsu component. -
How does this pump improve excavator performance?
It ensures consistent hydraulic pressure delivery for precise control and operation. -
What warranty coverage is provided?
Comprehensive warranty against manufacturing defects. -
Are installation instructions included?
Yes, detailed installation guidelines are provided with each unit.
Maintenance Recommendations
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Regular hydraulic fluid analysis every 500 hours
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System pressure checks during routine maintenance
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Filter replacement according to manufacturer specifications
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Visual inspection for leaks regularly
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Proper storage in clean, dry conditions
Conclusion
For Komatsu PC30 excavator owners and maintenance professionals, the 7081S00251 Hydraulic Main Pump offers unmatched reliability and performance. This GP replacement unit ensures your equipment maintains optimal hydraulic performance, protecting your investment and maximizing productivity in various construction applications.