Excavator PC400-7 Swing Gearbox Assembly

• 5,000+ hydraulic models in stock - including obsolete & hard-to-find assemblies.
• 30+ technical specialists verify every part before dispatch - no guesswork, no wrong parts.
• Original New · OEM · Remanufactured - three tiers to matchyour conditions & budget.
• Every hydraulic assembly undergoes load testing before dispatch from our 5,000 m2 factory.
• OEM & ODM customization - by drawing or sample, private label & custom packaging available.

• Ready inventory of over 500 assembly types, providing access to more than 6,000 different parts
• Core products include hydraulic pumps, control valves, travel, and swing assemblies
• Specialization in large mining excavator components and hard-to-find items
• 4,000-square-meter factory equipped for professional manufacturing, precision assembly, and rigorous testing
• Integrated supply chain providing cost-effective, convenient one-stop solutions

Our Exhibition

We usually talk about real machines, real replacement problems and the details that need to be checked before a part is shipped. Part numbers, machine fitment, product configuration and delivery are often the most important things for our customers.Meeting customers face to face helps us understand what they really need and recommend a more suitable replacement part.

Packaging & Delivery

For large items, we use sturdy plywood crates secured with metal fasteners. Products are carefully cushioned with bubble wrap and secured with wooden braces. External crate reinforcement includes high-strength PET plastic strapping and waterproof black film to ensure safe transit and delivery.

FAQ Section

Q1: How can I extend the service life of the swing gearbox?

A: Check gear oil regularly, repair leaks promptly, and follow the recommended maintenance schedule.

Q2: How can I confirm this swing gearbox fits my excavator?

A: Please provide the machine model, serial number, and original part number for compatibility verification.

Q3: What are the common signs of swing gearbox failure?

A: Unusual noise, oil leakage, excessive play, or irregular swing movement may indicate a problem.

For detailed specifications, pricing information, or technical consultation, please contact our sales team for personalized assistance.