Kubota KX151/KX155

2 month ago

15 0 

4 year

Product details

I. Product Overview

Theswing motorequipped on the Kubota KX151/KX155 excavators is a core hydraulic component that drives the upper structure (cab and working attachments) to rotate 360°. Working in conjunction with the swing gearbox (reducer), it converts hydraulic energy into mechanical energy, ensuring efficient operation in confined spaces.

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II. Technical Features

1. Type & Structure

• Piston Hydraulic Motor: The KX151/KX155 adopts a piston-type hydraulic motor, delivering high torque output and stable swing performance for heavy-duty applications.

• Compact Design: Integrated with the swing gearbox, the motor minimizes space requirements for easy installation and maintenance.

2. Performance Parameters

• Swing Speed: The KX155 achieves aswing speed of 9.3 RPM, balancing efficiency and smoothness.

• Torque Output: Tailored torque ratings for each model meet rotational demands during digging, loading, and grading tasks.

• Hydraulic System: Matched with a variable-displacement pump + gear pump system, it precisely allocates flow based on joystick input, enabling fine control and seamless composite operations.

3. Durability & Reliability

• High-Strength Materials: Wear-resistant alloys are used internally to extend service life.

• Sealing Design: Multi-layer seals prevent hydraulic fluid leakage, even under harsh conditions.

• Heat Dissipation: Optimized cooling channels reduce oil temperature during prolonged operation, minimizing performance degradation.

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III. Applications

• Confined Space Operation: The zero-tail-swing design (reduced tail swing radius) combined with the efficient swing motor makes it ideal for working near walls, indoors, or in tight sites.

• Versatile Tasks: From excavation and loading to land leveling, the motor’s precise control enhances productivity.

• Heavy-Duty Demands: The piston motor’s high torque capability handles hard soil or rocky terrain with ease.

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IV. Maintenance & Care

1. Regular Inspections

• Check hydraulic fluid levels and quality to prevent motor wear caused by contamination.

• Monitor lubrication of the swing bearing to ensure smooth gearbox operation.

2. Replacement of Wear Parts

• Replace hydraulic filters and seals periodically to prevent leaks.

• Inspect and replace worn brake pads or swing support bearings based on usage frequency.

3. Professional Servicing

• If swing vibrations, unusual noises, or speed irregularities occur, contact an authorized service center for diagnostics. Avoid non-professional repairs to prevent secondary damage.

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

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4 year

Main Product: hydraulic motor, gear box, hydraulic pump, hydraulic valve , hydraulic winch , hydraulic system

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