Precision-engineered to Komatsu OEM standards, the 7082H00480 axial piston pump delivers 280±5 bar continuous pressure for WA1200-series mining loaders. Direct replacement for 708-2H-00480 with enhanced contamination resistance for 24/7 ore handling operations.
Extreme-Condition Performance Matrix
| Parameter | Specification | Mining Standard |
|---|---|---|
| Flow Rate | 340 L/min @ 2,200 RPM | ISO 4409:2007 |
| Pressure Holding | <0.8% drop @ 10k cycles | ISO 10763 |
| Abrasion Resistance | 10,000 PSH abrasive index | ASTM D4170 |
| Thermal Range | -30°C to 130°C | MSHA 30 CFR §56/57 |
| Vibration Survival | 15g @ 200Hz | ISO 10816-8 |
Model-Specific Compatibility
| WA1200 Generation | Mining Configurations | Critical Applications |
|---|---|---|
| WA1200-1/2 (1998-2004) | WA1200M-1, WA1200M-2 | Copper ore loading |
| WA1200-3/4 (2005-2011) | WA1200M-3, WA1200M-4 | Oil sands operation |
| WA1200-5/6 (2012-2018) | WA1200M-5, WA1200M-6 | Iron ore handling |
| WA1200-7/8 (2019-Present) | WA1200M-7, WA1200M-8 | High-altitude mining |
Failure-Prevention Engineering
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Hardened Rotary Group
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WC-Co coated swashplate (2,800 HV)
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Nitrided 34CrAlMo5 steel pistons
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Contamination Defense System
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Integrated vortex filtration (ISO 19/17/14)
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Magnetic plug capture (5μm+)
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Thermal Management
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Graphite-impregnated valve plates
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-40°C cold start capability
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Seal Integrity
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Quad-lip Turcon® seals (18,000 PSI rating)
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360° laser-welded casing
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