Product Overview
The KYB MSG-27P-23E-11 is a high-torque hydraulic swing motor engineered by KYB (Kayaba Industry Co., Ltd.), a globally recognized manufacturer of precision hydraulic components for mobile and industrial machinery. This unit operates on the axial piston principle with a fixed-displacement, bent-axis or swashplate-type rotating group, converting hydraulic pressure and flow into controlled rotary torque and angular motion. Unlike a standard continuous-rotation hydraulic motor, the MSG series is purpose-built for oscillating swing functions, delivering smooth bidirectional acceleration, deceleration, and holding capability for the upper structure of excavators and similar slewing applications. Its integrated design typically incorporates a built-in parking brake, relief and make-up valve functions, and a compact rotary group that minimizes internal leakage while maximizing volumetric and mechanical efficiency. The MSG-27P-23E-11 serves as a direct-fit replacement for OEM swing drive assemblies, ensuring matched mounting geometry, port configuration, and torque output for seamless integration into existing hydraulic circuits.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Hydraulic Swing Motor (Axial Piston, Fixed Displacement) |
| Model Designation | MSG-27P-23E-11 |
| Manufacturer | KYB (Kayaba Industry Co., Ltd.) |
| Operating Pressure | Standard Industrial Grade (Up to rated bar for MSG-27 displacement class) |
| Displacement Class | 27 cm³/rev nominal (MSG-27 frame size) |
| Mounting & Connection | Standard ISO / Manufacturer Interface (flange mount, SAE port configuration) |
| Brake Type | Integrated spring-applied, hydraulically released parking brake |
| Rotation | Bidirectional (clockwise / counter-clockwise) |
Engineering Features & Advantages
- Precision Swing Control: The axial piston rotary group delivers smooth, controllable torque across the full swing arc, enabling accurate positioning and reduced shock loading during deceleration and direction reversal.
- Integrated Braking & Valve Functions: Built-in parking brake and relief/make-up valve circuitry simplify system design, reduce external piping, and improve holding safety on graded or inclined surfaces.
- High Volumetric Efficiency: Precision-machined piston bores and valve plate minimize internal leakage, maintaining consistent swing speed and torque under varying load and temperature conditions.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, including high cycle rates, vibration, and contaminated environments typical of construction and earthmoving equipment.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM standards, allowing drop-in replacement without modification to mounting, shaft, or hydraulic connections.
Typical Industrial Applications
The KYB MSG-27P-23E-11 swing motor
PRODUCT IMAGES
KYB MSG-27P-23E-11 Hydraulic Swing Motor
⚡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the genuine KYB MSG-27P-23E-11 Solenoid Directional Control Valve. This Japan-made hydraulic component features a spool-type design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.