7202L01020 Hydraulic Main Pump for Komatsu D51EX D51PX Bulldozer | GP Pump Replacement

Introducing the 7202L01020 Hydraulic Main Pump for Komatsu Bulldozers
The 7202L01020 Hydraulic Main Pump is a premium GP replacement component specifically engineered for Komatsu D51EX and D51PX series bulldozers. This high-performance hydraulic main pump delivers exceptional power, reliability, and operational efficiency for construction, earthmoving, and site development applications. Manufactured to meet Komatsu’s exact specifications, this main pump ensures optimal hydraulic system performance in demanding working conditions.

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

D51EX Series Bulldozers:

• Komatsu D51EX-22

• Komatsu D51EX-23

• Komatsu D51EX-24

• Komatsu D51EX-25

• Komatsu D51EX-22EO

• Komatsu D51EX-23EO

• Komatsu D51EX-24EO

• Komatsu D51EX-25EO

• Komatsu D51EX-22A0 (High Altitude)

• Komatsu D51EX-23A0 (High Altitude)

D51PX Series Bulldozers:

• Komatsu D51PX-22

• Komatsu D51PX-23

• Komatsu D51PX-24

• Komatsu D51PX-25

• Komatsu D51PX-22EO

• Komatsu D51PX-23EO

• Komatsu D51PX-24EO

• Komatsu D51PX-25EO

• Komatsu D51PX-22A0 (High Altitude)

• Komatsu D51PX-23A0 (High Altitude)

Additional Variants:

• Komatsu D51EX with Ripper attachment

• Komatsu D51PX with Winch configuration

• Komatsu D51EX with PAT blade

• Komatsu D51PX with Semi-U blade

• Komatsu D51EX/PX Cold Weather versions

• Komatsu D51EX/PX Desert operation packages

This unit serves as a direct replacement for part numbers 7202L01020 and 720-2L-01020, ensuring perfect fitment and performance compatibility with all specified bulldozer models.

Key Features and Benefits

• Premium Construction: Built with high-strength materials to withstand extreme dozing conditions and heavy workloads

• Precision Engineering: Manufactured to exact Komatsu specifications for seamless integration with existing hydraulic systems

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

• Superior Durability: Advanced sealing technology and hardened components protect against contamination and wear

• Smooth Operation: Precision-balanced components minimize vibration and noise for comfortable operation

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

• Easy Installation: Direct OEM replacement design reduces downtime and installation complexity

• Temperature Resilience: Consistent performance in extreme temperature conditions from -25°C to 85°C

Technical Specifications

• Part Number: 7202L01020

• Alternative Part Number: 720-2L-01020

• Type: Hydraulic Main Pump (Variable Displacement Piston Pump)

• Maximum Operating Pressure: 32 MPa (320 bar)

• Flow Capacity: 2 x 95 L/min

• RPM Range: 1800-2200

• Port Connections: SAE standard fittings

• Mounting Pattern: Direct bolt-on compatibility

• Weight: 45 kg

• Material: High-grade cast iron and alloy steel components

• Fluid Compatibility: Mineral-based hydraulic oils ISO VG 46

Performance Advantages

• 20% improved hydraulic efficiency compared to standard replacement pumps

• 25% reduction in operational noise levels during heavy dozing operations

• Enhanced contamination resistance with superior filtration protection

• Optimized for continuous dozing cycles and heavy earthmoving applications

• Stable hydraulic pressure maintenance across all operating conditions

• Reduced heat generation for extended fluid life and component durability

• Quick response time for precise blade control and machine operation

Installation and Maintenance

• Direct replacement requiring no modifications or adapters

• Comprehensive installation guide with torque specifications included

• Recommended service intervals: 2,000 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 procedures

Why Choose Our 7202L01020 Hydraulic Main Pump?

• Perfect Compatibility: Exact OEM replacement ensures no fitment issues with all D51EX and D51PX variants

• Quality Assurance: Rigorous testing under simulated working conditions including pressure testing and endurance validation

• Durability: Premium materials and construction for extended service life (8,000+ operating hours)

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

• Performance Guarantee: Matches or exceeds original equipment performance specifications

• Technical Support: Expert assistance available for installation guidance and troubleshooting

Frequently Asked Questions

1. Is this pump compatible with all D51EX and D51PX variants?
   Yes, it is designed for all series including EO and A0 versions of these bulldozer models.

2. What’s the difference between 7202L01020 and 720-2L-01020?
   These are alternative part numbers for the same genuine Komatsu component with identical specifications.

3. How does this pump improve bulldozer performance?
   It ensures consistent hydraulic pressure delivery for smooth blade control, efficient dozing operations, and better fuel efficiency.

4. What warranty coverage is provided with this pump?
   Comprehensive 12-month warranty covering manufacturing defects and performance issues.

5. Are installation instructions and technical support available?
   Yes, detailed installation guidelines are included, and technical support is available for assistance.

Maintenance Recommendations

• Regular hydraulic fluid analysis every 500 operating hours

• System pressure checks during routine maintenance intervals

• Filter replacement according to manufacturer specifications (every 500 hours)

• Visual inspection for leaks and wear during daily equipment checks

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

• Use of recommended hydraulic fluids for optimal performance and longevity

Conclusion
For Komatsu D51EX and D51PX bulldozer owners and maintenance professionals, the 7202L01020 Hydraulic Main Pump offers unmatched reliability, performance, and value. This GP replacement unit ensures your equipment maintains optimal hydraulic performance, protecting your investment and maximizing productivity in demanding earthmoving and construction applications. With OEM-level quality, perfect compatibility, and comprehensive warranty coverage, this hydraulic main pump is the ideal choice for keeping your Komatsu bulldozers operating at peak performance.