803085164 Excavator Hydraulic Main Pump Assembly
The 803085164 Hydraulic Main Pump is a high-performance replacement pump assembly designed for excavators and diggers. This complete hydraulic pump unit delivers reliable high-flow output and consistent pressure performance, engineered to meet or exceed OEM specifiions for demanding earthmoving and construction appliions.
Key Features
- Part number 803085164 direct replacement for excavator hydraulic main pump systems
- High-displacement 112 cc/rev pump design for robust hydraulic flow delivery
- Maximum operating pressure of 34.3 MPa for heavy-duty excavation work
- Rated flow up to 220 L/min for responsive implement and travel control
- SAE standard mounting flange for direct bolt-on installation
- Clockwise rotation configuration matching OEM pump orientation
- Precision-machined internal components for reduced wear and extended service life
- Factory hydraulic bench-tested and calibrated to ensure reliable out-of-the-box performance
- 12-month comprehensive warranty with global after-sales technical support
Technical Specifiions
| Part Number |
803085164 |
| Pump Type |
Hydraulic Main Pump |
| Appliion |
Excavator, Digger |
| Max Pressure |
34.3 MPa |
| Max Flow |
220 L/min |
| Pump Displacement |
112 cc/rev |
| Rotation |
CW |
| Mounting Type |
SAE Flange |
| Net Weight |
85 kg |
| Warranty |
12 Months |
Compatible Equipment
- 20-30 ton class excavators and diggers
- Hydraulic main pump replacement for various excavator brands
- Other construction machinery requiring 803085164 pump specifiion
Quality Assurance
Each 803085164 Hydraulic Main Pump undergoes rigorous quality inspection including hydraulic bench testing, pressure calibration, flow rate verifiion, and leak-down testing before shipment. Manufactured under ISO 9001:2015 certified quality management systems to ensure consistent performance and reliability across every unit delivered.

