The swing motor on your mini excavator controls rotation. It keeps your upper structure moving precisely. When this motor fails, jobsite productivity suffers. Strange noises, jerky movement, or full rotation failure usually signal it’s time for replacement. A smooth replacement process starts with understanding the key steps and choosing reliable parts.
Start by parking the machine on level ground. Turn off the engine. Relieve all hydraulic pressure. Safety comes first. Remove the panels around the swing motor. Clean the area to avoid debris entering hydraulic lines. Label all hydraulic hoses and electrical connections. This avoids confusion during reassembly.

Unbolt the swing motor carefully. Use proper lifting tools to avoid damage. Once removed, inspect the surrounding components. Check the swing bearing, reduction gear, and hoses. Replacing a swing motor is a good opportunity to address wear in nearby systems.
Install the new motor by aligning it with the gear and mounting points. Bolt it down evenly. Reconnect hydraulic lines based on the labels. Fill the hydraulic tank with fresh fluid if needed. Start the engine. Let it idle. Cycle the swing slowly. Look for leaks. Listen for abnormal noise. Test full rotation.
The quality of the new swing motor matters. Low-quality motors often cause early failure. Poor internal seals, weak materials, and rough machining reduce reliability. That’s why Fulian Machinery offers precision-built swing motors for all leading brands like Kubota, Yanmar, Takeuchi, Bobcat, and Hitachi.
Our motors use top-grade seals, hardened gears, and tested flow capacities. Every unit goes through pressure testing before shipment. Fulian also offers technical support. Need help matching part numbers or fitting model codes? We provide fast, accurate assistance.
Fast shipping, global service, and durable parts make Fulian a trusted name. Whether it’s a single unit or bulk order, we deliver consistent quality. Clients worldwide rely on our swing motors to minimize downtime and extend machine life.
Replacing a swing motor doesn’t need to be stressful. With the right part and a clear plan, your mini excavator will be back in action quickly. Choose Fulian swing motors for peace of mind and dependable performance. Reach out now. Our team is ready to help you select the right part and arrange fast delivery.
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Fulian Operation Team
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