7081U04280 Hydraulic Main Pump for Komatsu GD705 Motor Grader | GP Pump Replacement

Introducing the 7081U04280 Hydraulic Main Pump for Komatsu Motor Graders
The 7081U04280 Hydraulic Main Pump is a premium GP replacement component specifically engineered for Komatsu GD705 series motor graders. This high-performance hydraulic main pump delivers exceptional power, precision control, and operational reliability for road construction and maintenance applications. Manufactured to meet Komatsu’s exact specifications, this main pump ensures optimal hydraulic system performance in demanding grading conditions.

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

GD705 Series Motor Graders:

• Komatsu GD705-1

• Komatsu GD705-2

• Komatsu GD705-3

• Komatsu GD705A-1

• Komatsu GD705A-2

• Komatsu GD705A-3

• Komatsu GD705R-1

• Komatsu GD705R-2

• Komatsu GD705R-3

• Komatsu GD705-1EO

• Komatsu GD705-2EO

• Komatsu GD705-3EO

Additional Variants:

• High-altitude configured models

• Extreme cold weather packages

• Special road maintenance versions

• Airport runway grading configurations

• Mining road maintenance units

This unit serves as a direct replacement for part numbers 7081U04280 and 708-1U-04280, ensuring perfect fitment and performance compatibility with all GD705 series motor graders.

Key Features and Benefits

• Precision Control: Delivers smooth hydraulic power for accurate blade control and grading operations

• Heavy-Duty Construction: Built with premium materials to withstand continuous grading applications

• OEM Specifications: Manufactured to exact Komatsu standards for seamless system integration

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

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

• Smooth Operation: Precision-balanced design minimizes vibration and operational noise

• Corrosion Resistance: Special coatings provide protection against rust and environmental damage

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

Technical Specifications

• Part Number: 7081U04280

• Alternative Part Number: 708-1U-04280

• Type: Hydraulic Main Pump (Piston Pump)

• Maximum Operating Pressure: 32 MPa (320 bar)

• Flow Capacity: 90 L/min

• RPM Range: 1800-2200

• Port Connections: SAE standard fittings

• Mounting Pattern: Direct bolt-on compatibility

• Weight: 35 kg

• Material: High-grade cast iron 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

• Optimized for motor grader blade control and articulation

• Stable hydraulic pressure maintenance across all operating conditions

• Extended service life exceeding 8,000 operating hours

Installation and Maintenance

• Direct replacement requiring no modifications

• Comprehensive installation guide with specifications included

• Recommended service intervals: 2,000 operating hours

• Compatible with Komatsu original hydraulic fluids

• Easy access to service points for maintenance

• Standard tools required for installation

Why Choose Our 7081U04280 Hydraulic Main Pump?

• Perfect Compatibility: Exact OEM replacement ensures proper fitment with all GD705 models

• Quality Assurance: Rigorous testing program including pressure validation

• Durability Guarantee: Premium materials for extended service life

• Warranty Protection: Comprehensive 12-month warranty coverage

• Performance Match: Meets or exceeds original equipment specifications

• Technical Support: Expert assistance available for installation

Frequently Asked Questions

1. Is this pump compatible with all GD705 variants?
   Yes, it is designed for all series including A, R, and EO versions.

2. What’s the difference between 7081U04280 and 708-1U-04280?
   These are alternative part numbers for the same genuine Komatsu component.

3. How does this pump improve motor grader performance?
   It ensures consistent hydraulic pressure for precise blade control and smooth grading operations.

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

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

Maintenance Recommendations

• Regular hydraulic fluid analysis every 500 hours

• System pressure checks during routine maintenance

• Filter replacement per manufacturer specifications

• Visual inspection for leaks and wear

• Proper storage conditions when not in use

• Use of recommended hydraulic fluids

Conclusion
For Komatsu GD705 motor grader owners and maintenance professionals, the 7081U04280 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 road construction and maintenance applications.