Place of Origin:
China
Brand Name:
CAVOYD
Model Number:
EX3600-5 EX3600-6 EX8000-6
The K3V280 hydraulic main piston pump is engineered for the demanding duty cycles of Hitachi EX3600-5, EX3600-6, and EX8000-6 mining excavators. Compatible with part numbers 4422386, YA00003085, 4689080, and 4624104, this pump assembly delivers the high flow and pressure stability required for continuous heavy-load mining operations.
| Operating Weight | 352 t (backhoe) / 354 t (front shovel) |
|---|---|
| Engine | QSK60, rated power 1450 kW (1943 HP), single-engine, Tier 2 emission |
| Bucket Capacity | 17–22 m³ for backhoe; 21–24 m³ for front shovel |
| Hydraulic System | Hitachi OHS optimized hydraulic system with 8 variable axial piston main pumps (4 sets of twin pump assemblies) |
| Max Flow per Pump | 500 L/min |
| Main Relief Pressure | 29.4 MPa |
| Pilot Pump | Equipped with one gear pilot pump |
| Control System | Hitachi E-P electronic engine-pump control with load sensing. The 8-pump & 4-valve system provides large oil flow for stable combined movements of boom, arm, bucket, swing, and travel under heavy load. |
| Pump Design | Forced lubrication and forced cooling for long-hour continuous heavy mining operation |
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