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High-Performance Hydraulic Main Pump (7202M00063) for Komatsu D31/D37/D39 Bulldozers

The 7202M00063 (interchange: 720-2M-00063) is a genuine GP-series hydraulic main pump designed for Komatsu bulldozers. Engineered to precise OEM specifications, it delivers critical hydraulic power for steering, blade control, and transmission systems in harsh operating environments.

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Precision Engineering
• 24.3 cc/rev displacement at 2,000 rpm
• Max pressure: 34.3 MPa (4,975 psi)
• ISO 4406:2017 fluid cleanliness compliance
• Direct bolt-on replacement for OEM pumps

Compatible Models
Verified fit for:

Komatsu Bulldozer D31PX-20 / D31EX-21 
Komatsu Bulldozer D37EX-22 / D37PX-23 
Komatsu Bulldozer D39EX-24 / D39PX-24  

Performance Benefits

  • Reduced hydraulic system cavitation

  • 12% higher volumetric efficiency vs. aftermarket

  • Hardened shaft resists bending fatigue

  • Precision-matched gear clearance (±0.02mm)

Global Certification
• 100+ units in stock worldwide
• 18-month performance warranty
• REACH-compliant sealing components

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