Sandvik 55059177 Hydraulic Pump — OEM-Grade Replacement for Mining & Drilling Equipment
The Sandvik 55059177 Hydraulic Pump is a heavy-duty, precision-engineered hydraulic pump from Sandvik’s 550-series OEM parts range, designed to restore and sustain full hydraulic performance in Sandvik mining, drilling, tunneling, and underground rock excavation equipment. Manufactured to the exact dimensional, displacement, and pressure specifications of the original factory-installed component, this pump provides a guaranteed direct fit — eliminating the installation delays, system compatibility risks, and accelerated wear that come with using non-OEM alternatives.
Sandvik machines operate at the very edge of industrial capability: sustained high-pressure hydraulic cycles, continuous vibration, heavy dust loading, and extreme ambient conditions above and below ground. The hydraulic pump is the heart of these systems — powering critical machine functions such as drill feed, rotation, boom actuation, tramming, and auxiliary circuits. A failed or degraded pump does not just slow down one function; it threatens the integrity of the entire hydraulic circuit. The Sandvik 55059177 is built to handle these demands cycle after cycle, with the material quality, sealing integrity, and precision tolerances that only an OEM-matched component delivers.
Key Features
- OEM Part Number 55059177 — genuine Sandvik 550-series hydraulic pump for precise system compatibility
- High-Pressure Continuous-Duty Rated — engineered to sustain the elevated system pressures found across Sandvik drilling rigs, underground loaders, and rock excavation platforms
- Precision Displacement & Flow Characteristics — maintains accurate fluid delivery to protect valves, cylinders, motors, and downstream hydraulic components from pressure spikes and flow imbalance
- Direct Drop-In Replacement — matched to OEM port configurations and mounting dimensions, requiring no system modifications or additional adaptors
- Heavy-Duty Industrial Construction — built with materials and tolerances suited to extreme dust, vibration, and continuous-load operating environments
- Protects the Full Hydraulic Circuit — correct pressure and flow ratings safeguard every connected component, extending the service life of the entire system
- Minimises Downtime — fast-fit OEM design means shorter maintenance windows and faster return to productive operation
- Worldwide Availability — stocked and available for international dispatch to mining operations globally
Specifications
| Parameter | Details |
|---|---|
| Part Number | 55059177 |
| Manufacturer | Sandvik |
| Series | Sandvik 550-Series Hydraulic Components |
| Component Type | Hydraulic Pump |
| Pump Type | Piston / Variable Displacement (OEM-matched) |
| Application | Mining, Drilling, Tunneling & Rock Excavation Equipment |
| Operating Environment | Surface & Underground — High Dust, High Vibration, Continuous Duty |
| Condition | New / OEM-Equivalent |
| Compatibility | Sandvik drilling rigs, underground loaders & auxiliary hydraulic systems |
Why OEM Matters for Hydraulic Pumps
Non-OEM hydraulic pumps that are “close but not exact” introduce subtle mismatches in displacement volume, pressure rating, and port geometry that place abnormal stress on valves, seals, and actuators throughout the circuit. Over time, these stresses accelerate wear across multiple components — multiplying the original cost of the repair many times over. The Sandvik 55059177 eliminates this risk entirely by delivering the exact hydraulic characteristics the system was designed around.
Order the Sandvik 55059177 Hydraulic Pump today and restore full hydraulic system performance with complete confidence in fit, function, and longevity.

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