7081S00253 Hydraulic Main Pump for Komatsu PC30 Excavator | GP Pump Replacement

Introducing the 7081S00253 Hydraulic Main Pump for Komatsu Compact Excavators
The 7081S00253 Hydraulic Main Pump is a premium GP replacement component specifically engineered for Komatsu PC30 series compact excavators. This high-performance hydraulic main pump delivers exceptional power, reliability, and operational efficiency for construction, landscaping, and utility applications. Manufactured to meet Komatsu’s exact specifications, this main pump ensures optimal hydraulic system performance in various working conditions.

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Compatible Models and Applications
This hydraulic main pump is designed for perfect compatibility with Komatsu PC30 excavator models including:

PC30 Series Compact Excavators:

• Komatsu PC30MR-2

• Komatsu PC30MR-3

• Komatsu PC30MR-4

• Komatsu PC30MR-5

• Komatsu PC30UU-2 (Urban Utility)

• Komatsu PC30UU-3

• Komatsu PC30UU-4

• Komatsu PC30UU-5

• Komatsu PC30R-2

• Komatsu PC30R-3

• Komatsu PC30R-4

• Komatsu PC30R-5

Additional Specialized Variants:

• Zero tail swing models

• Material handling configurations

• Blade-equipped versions

• Rubber track options

• High-flow hydraulic packages

• Demolition specification units

This unit serves as a direct replacement for part numbers 7081S00253 and 708-1S-00253, ensuring perfect compatibility with all PC30 series compact excavators.

Key Features and Benefits

• Compact Design: Engineered specifically for mini excavator applications with space-saving dimensions

• Premium Construction: Built with high-strength materials to withstand demanding digging conditions

• Precision Engineering: Manufactured to exact Komatsu specifications for seamless hydraulic system integration

• Enhanced Efficiency: Optimized hydraulic flow design ensures maximum power output and fuel economy

• Superior Durability: Advanced sealing technology protects against contamination and component wear

• Smooth Operation: Precision-balanced components minimize vibration and operational noise

• Corrosion Resistance: Multi-layer surface treatment provides protection against rust and environmental damage

• Easy Installation: Direct OEM replacement design reduces downtime and maintenance costs

Technical Specifications

• Part Number: 7081S00253

• Alternative Part Number: 708-1S-00253

• Type: Hydraulic Main Pump (Piston Pump)

• Maximum Operating Pressure: 28 MPa (280 bar)

• Flow Capacity: 48 L/min

• RPM Range: 1500-2200

• Port Connections: SAE standard fittings

• Mounting Pattern: Direct bolt-on compatibility

• Weight: 12.8 kg

• Material: High-grade aluminum alloy and steel components

Performance Advantages

• 20% improved hydraulic efficiency compared to standard replacement pumps

• 25% reduction in operational noise levels

• Enhanced contamination resistance with superior filtration protection

• Optimized for compact excavator digging and lifting cycles

• Stable hydraulic pressure maintenance across operating conditions

• Extended service life exceeding 7,500 operating hours

• Quick response time for precise control operations

Installation and Maintenance

• Direct replacement requiring no modifications or adapters

• Comprehensive installation guide with torque specifications included

• Recommended service intervals: 1,500 operating hours

• Compatible with Komatsu original hydraulic fluids and approved equivalents

• Easy access to service points for routine maintenance and inspection

• Standard maintenance tools required for installation and service

Why Choose Our 7081S00253 Hydraulic Main Pump?

• Perfect Compatibility: Guaranteed fitment with all PC30 series compact excavators

• Quality Assurance: Rigorous testing program including pressure validation and performance testing

• Durability Guarantee: Premium materials and construction for extended service life

• Warranty Protection: Comprehensive 12-month warranty against manufacturing defects

• Performance Match: Meets or exceeds original equipment performance specifications

• Technical Support: Expert assistance available for installation and troubleshooting

Frequently Asked Questions

1. Is this pump compatible with all PC30 variants?
   Yes, it is designed for all MR, UU, and R versions of PC30 compact excavators.

2. What’s the difference between 7081S00253 and 708-1S-00253?
   These are alternative part numbers for the same genuine Komatsu component.

3. How does this pump improve compact excavator performance?
   It ensures consistent hydraulic pressure for smooth digging operations and precise control.

4. What warranty coverage is provided?
   Comprehensive 12-month warranty against manufacturing defects and performance issues.

5. Are installation instructions included?
   Yes, detailed installation guidelines and torque specifications are provided with each unit.

Maintenance Recommendations

• Regular hydraulic fluid analysis every 500 operating hours

• System pressure checks during routine maintenance intervals

• Filter replacement according to manufacturer specifications

• Visual inspection for leaks and component wear

• Proper storage in clean, dry conditions when not in use

• Use of recommended hydraulic fluids for optimal performance

Conclusion
For Komatsu PC30 compact excavator owners and maintenance professionals, the 7081S00253 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 construction and landscaping applications. With OEM-level quality and perfect compatibility, this hydraulic main pump is the ideal choice for maintaining peak performance in your Komatsu compact excavators.