The YNF17867 Gearbox Assembly (OEM No. 378-9517) is a high-quality slew gearbox complete unit designed for E320D2 excavators. Precision-engineered from high-strength alloy steel and bearing components, this assembly ensures smooth rotational motion, stable torque transmission, and reliable performance of the excavator’s swing system. Manufactured to OEM standards, it provides long service life, high efficiency, and easy replacement during maintenance or overhaul.

• Part No.: YNF17867

• OEM reference: 378-9517

• Compatible with E320D2 excavators

• Complete slew gearbox assembly with gears, bearings, and housing

• High-strength alloy steel construction for durability

• Smooth rotational performance and stable torque transmission

• OEM-equivalent design for direct replacement and easy installation

• E320D2 excavator swing system maintenance and repair

• Excavator rotation mechanism replacement or overhaul

• Construction machinery requiring reliable slew gearbox performance

• Heavy-duty hydraulic excavators and similar equipment

• Compatibility verification with excavator model and OEM part number

• Technical support for installation, alignment, and troubleshooting

• Supply of related swing system components (bearings, seals, gears, etc.)

• OEM-equivalent replacement parts for E320D2 excavators

• Anti-rust treatment and protective packaging for transport

• Individually packed with foam and secure wrapping

• Export-grade wooden crates or cartons for heavy assemblies

• Suitable for sea, air, or express shipping

Q: How do I confirm this gearbox fits my excavator?
A: Provide your excavator model and OEM part number, and we will verify compatibility.

Q: Is this gearbox suitable for heavy-duty operation?
A: Yes, it is made from high-strength materials and precision components for long-term reliability.

Q: Can this replace the OEM slew gearbox directly?
A: Yes, it is manufactured to OEM-equivalent specifications for direct replacement.

Q: Do you supply spare parts for this gearbox?
A: Yes, we offer gears, bearings, seals, and other swing system components.