Product Overview
The KYB MAG-33VP-550F-7 is a high-torque hydraulic travel motor engineered for the final drive of tracked construction and earthmoving machinery. Manufactured by KYB, a globally recognized OEM supplier of hydraulic components for mobile equipment, this motor converts pressurized hydraulic fluid into controlled rotary output to propel the machine’s track assembly. The MAG-33VP series is a variable displacement axial piston motor with an integrated two-speed shift function, allowing the machine to operate in a high-torque low-speed mode for grading and climbing, and a low-torque high-speed mode for rapid travel between work zones. Its compact, integrated design combines the motor, brake, and reduction gear interface into a single sealed unit, making it a direct-fit replacement for the original travel drive on compatible excavator platforms.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Hydraulic Travel Motor (Axial Piston, Variable Displacement) |
| Model Designation | MAG-33VP-550F-7 |
| Operating Pressure | Standard Industrial Grade (Up to rated bar) |
| Mounting & Connection | Standard ISO / Manufacturer Interface |
Engineering Features & Advantages
- Precision Performance: Variable displacement axial piston design with two-speed shift capability delivers high breakaway torque for grade climbing and smooth, controlled modulation for fine travel positioning.
- Integrated Braking: Built-in spring-applied, hydraulically released parking brake holds the machine securely on slopes and engages automatically when pilot pressure is lost.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with hardened piston shoes, a durable swashplate assembly, and sealed bearings rated for high radial and axial track loads.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM standards, including the mounting flange, shaft spline, and port configuration for drop-in installation.
Typical Industrial Applications
This travel motor is specified for the final drive of compact and mid-size tracked excavators, mini excavators, and tracked drilling or crushing units. It is also used in crawler carriers, trenchers, and specialized tracked attachments where independent, high-torque track propulsion is required. Typical duty cycles include earthmoving, trenching, demolition, and utility construction in demanding ground conditions.
PRODUCT IMAGES

KYB MAG-33VP-550F-7 Hydraulic Travel 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.
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