The YNF16651 swing motor is a high-performance replacement unit designed for the CAT 330C excavator. Built to match the specifications of M5X180CHB-11A-08C285 and OEM reference 200-3373, this motor delivers strong rotational torque, smooth swing action, and reliable operation under heavy excavation workloads.

Engineered with precision components and robust materials, it provides long-lasting durability and stable output, even in demanding environments. This swing motor ensures the upper structure of the excavator rotates smoothly and efficiently, supporting accurate positioning and improved job-site productivity.

• Replacement for M5X180CHB-11A-08C285 / 200-3373

• Compatible with CAT 330C (13T swing system)

• Provides strong torque and stable rotational performance

• Built with high-strength, wear-resistant components

• Smooth, consistent swing movement under heavy load

• Designed for long-term reliability and high-pressure operation

• Easy installation with OEM-matching mounting and ports

Used in the swing system of CAT 330C excavators to provide rotational movement of the upper body, enabling accurate machine positioning during digging, loading, and material handling.

We provide detailed installation guidance, troubleshooting assistance, compatibility checks, and technical support for swing motors and hydraulic components.

Each swing motor is packed in a reinforced wooden crate with protective foam to prevent shock and vibration during transportation. Tracking information is provided for all shipments.

1. What is the function of the YNF16651 swing motor?
It powers the rotation of the excavator’s upper structure, ensuring smooth and controlled swing movement.

2. Which machine is this swing motor compatible with?
This model fits the CAT 330C excavator equipped with an M5X180 swing system.

3. What OEM part numbers does it replace?
It replaces M5X180CHB-11A-08C285 and 200-3373.

4. Does it deliver OEM-level performance?
Yes, it is engineered to match OEM performance in torque output, durability, and hydraulic compatibility.

5. How do I know if the swing motor needs replacement?
Symptoms include weak swing power, jerky movement, abnormal noise, or hydraulic overheating.

6. Is the motor suitable for continuous heavy-duty rotation?
Yes. It is built for high-pressure, high-load applications and long service cycles.

7. Does it come with mounting compatibility for CAT 330C?
Yes, it is a direct-fit replacement with matching bolt patterns and hydraulic port configurations.

8. Can this swing motor be used for other CAT models?
Compatibility depends on the exact swing system. Please provide part numbers to confirm.