Richtone offers to buy: Swing Reducer Gearbox (Swing Drive) for Caterpillar CAT 320GC (Part Numbers: 378-9517, 488-3075)

✅ In stock – order now!

📄 Product Description:

High-quality OEM swing reducer (swing drive assembly) designed for Caterpillar CAT 320GC excavators. This precision gearbox transfers hydraulic motor torque to the upper structure rotation system, ensuring smooth swing motion, high torque, and reliable performance under continuous heavy-duty operation. Built according to Caterpillar OEM standards, it provides maximum efficiency, durability, and service life.

🔧 Compatibility (Applications):

Caterpillar Excavators: 320GC, 320D, 320D2, 323D, 323GC

Other CAT excavators using the same swing drive configuration

🔁 Cross-reference / Part Numbers:

378-9517, 3789517, 488-3075, 4883075

🛠 Specifications:

Manufacturer: OEM / Caterpillar supplier

Type: Swing reducer (swing drive gearbox)

Function: Transfers hydraulic torque for upper structure rotation

Material: High-strength alloy steel

Condition: New / Replacement part

Packaging: Standard export wooden case

Warranty: Manufacturer’s limited warranty

⭐️ Key Features:

• Genuine OEM-quality Caterpillar swing reducer

• High torque and smooth swing operation

• Precision-machined gear system

• Long service life and excellent reliability

• Easy installation and perfect OEM fit