Precision-engineered to Komatsu OEM standards (±0.015mm tolerance), the 7202L00020 axial piston pump maintains 210±3 bar operating pressure for D51EX/D51PX bulldozers. Direct replacement for 720-2L-00020 with enhanced response for fine grading operations.
Precision Control Specifications
| Parameter | Specification | Industry Standard |
|---|---|---|
| Flow Stability | ±1.5% @ 85 L/min | ISO 4409:2007 |
| Response Time | <0.3s (10-90% flow) | SAE J745 |
| Pressure Overshoot | <3% | ISO 10763 |
| Hysteresis | <0.8% | DIN 24300 |
| Noise Level | 68 dB(A) @ 1m | ISO 4871 |
Model-Specific Compatibility
| Series | Sub-Models | Grading Applications |
|---|---|---|
| D51EX-22 | D51EX-22, D51EXi-22 | Finish grading |
| D51PX-24 | D51PX-24, D51PXi-24 | Slope work |
| D51EX-18 | D51EX-18R0, D51EX-18E0 | Road maintenance |
| D51PX-17 | D51PX-17C0, D51PX-17M0 | Landscaping |
Grading-Optimized Features
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Control Response
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Electro-hydraulic proportional control (CAN Bus compatible)
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100Hz frequency response
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Wear Resistance
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Diamond-coated swashplate (3μm DLC)
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Hardened SCM435 pistons (HRC 62+)
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Contamination Defense
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Integrated 10μm bypass filtration
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Magnetic plug (5μm+ capture)
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Environmental Adaptation
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-30°C cold start capability
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IP67-rated connectors
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