311-9541 Excavator Hydraulic Main Pump Assembly Replacement for CAT Excavator Spare Parts
311-9541 Excavator Hydraulic Main Pump Assembly
The 311-9541 Hydraulic Main Pump is a high-capacity replacement pump assembly engineered for CAT excavators. This complete hydraulic pump unit delivers superior high-flow performance and consistent pressure output, manufactured to meet rigorous CAT OEM specifications for the most demanding mining, quarrying, and heavy construction applications.
Key Features
- Part number 311-9541 direct replacement for CAT excavator hydraulic main pump systems
- High-displacement 140 cc/rev pump design for maximum hydraulic power delivery
- Maximum operating pressure of 35 MPa for heavy-duty mining and excavation operations
- Rated flow up to 250 L/min for responsive multi-function implement control under full load
- SAE standard mounting flange for direct bolt-on installation with existing CAT hydraulic connections
- Clockwise rotation configuration matching CAT OEM pump orientation specifications
- Precision-machined internal components with hardened wear surfaces for extended service life in harsh conditions
- Factory hydraulic bench-tested, pressure-calibrated, and flow-verified under full load to ensure reliable out-of-the-box performance
- 12-month comprehensive warranty with global after-sales technical support network
Technical Specifications
| Part Number | 311-9541 |
| Pump Type | Hydraulic Main Pump |
| Application | CAT Excavator |
| Max Pressure | 35 MPa |
| Max Flow | 250 L/min |
| Pump Displacement | 140 cc/rev |
| Rotation | CW |
| Mounting Type | SAE Flange |
| Net Weight | 100 kg |
| Warranty | 12 Months |
Compatible Equipment
- CAT 330 Series Excavators
- CAT 336 Series Excavators
- CAT 340 Series Excavators
- Other CAT excavator models compatible with 311-9541 pump specification
Quality Assurance
Each 311-9541 Hydraulic Main Pump undergoes comprehensive quality inspection including hydraulic bench testing under full load conditions, pressure calibration verification, flow rate testing, and leak-down analysis before shipment. Manufactured under ISO 9001:2015 certified quality management systems to ensure consistent performance and extended durability across every unit delivered.
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