X211084652 Swing Assembly
Part Number X211084652
Classification :
Komatsu Parts
Keywords :
Komatsu Parts
Feature | Detail |
|---|---|
Part Number | X211084652 |
Drive Type | Hydrostatic, Axial Piston Motor |
Swing Reduction | Planetary Gear System |
Swing Lock | Mechanical Disc Brake |
Swing Circle Lubrication | Grease-Bathed |
Operating Pressure | Up to 37.2 MPa |
Komatsu Swing Assembly X211084652 – The Rotational Powerhouse for Uncompromised Excavator Performance
Precision Engineering in Motion
The Komatsu Swing Assembly (Part No. X211084652) is the critical mechatronic interface that enables 360-degree slewing capability in Komatsu excavators. This integrated assembly combines a high-torque hydraulic motor with a planetary gear reduction system, engineered to translate hydraulic power into precise rotational motion .
At its core, the swing assembly features a hydrostatically driven axial piston motor paired with a planetary gear swing reduction mechanism . This configuration delivers exceptional swing torque while maintaining smooth acceleration and deceleration characteristics. The assembly incorporates a mechanical disc brake for swing locking, ensuring the upper structure remains securely positioned during digging and lifting operations .
The system integrates deeply with Komatsu's closed-center load-sensing hydraulic architecture, enabling dynamic matching of swing speed with engine RPM and hydraulic pump displacement for optimal efficiency . With maximum operating pressures capable of reaching 37.2 MPa, the swing assembly delivers reliable rotational performance even under the most demanding heavy-duty working conditions .
Why This Swing Assembly Matters (Benefits-Oriented Style):
Effortless 360° Control: Enables precise load positioning and smooth slewing motion, reducing operator fatigue and improving job site productivity.
Built for the Long Haul: Genuine Komatsu swing assemblies are designed and manufactured by Komatsu to work as an integrated package, delivering years of reliable service in the toughest environments .
Heavy-Duty Load Capacity: Planetary gear reduction ensures high torque output while maintaining compact dimensions, supporting the full weight of the cab, boom, and working load .
Fleet-Proven Reliability: Standard equipment across Komatsu's excavator range, with documented reliability in applications from compact mini-excavators to large mining-class machines .
Complete Assembly – OEM-Grade Components
Unlike generic aftermarket alternatives, the Komatsu Swing Assembly is built as a complete, factory-matched unit that eliminates compatibility concerns. The assembly includes:
Swing Motor – Hydraulic axial piston motor for rotational power
Planetary Gear Reduction – Multi-stage gearing for torque multiplication
Swing Brake – Mechanical disc brake with hydraulic lock for secure positioning
Mounting Hardware – OEM-spec fasteners and sealing components
This integrated design ensures proper gear meshing, brake engagement, and motor alignment – eliminating fitment risks and reducing total ownership costs .
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