CAT 349GC & 352GC Swing Motor (OEM 587-4943) is a heavy‑duty hydraulic swing drive assembly for CAT 349GC and 352GC excavators. It delivers strong rotary torque, stable speed, and heavy‑load durability to ensure smooth, safe, and efficient upper structure rotation in mining, large construction, and long‑hour working conditions.

• Perfect OEM match for CAT 349GC and 352GC excavators
• High torque output ensures stable and powerful swing performance
• Precision forged gears for heavy‑load resistance and long service life
• Multi‑layer sealing system prevents oil leakage in harsh environments
• Smooth and responsive swing control improves operating efficiency
• Robust design for long‑hour mining and heavy construction use
• Easy installation, direct replacement without modification
• Extended maintenance intervals reduce downtime

• CAT 349GC hydraulic excavator
• CAT 352GC hydraulic excavator
• Mining excavation, ore loading, quarry projects
• Large‑scale earthmoving and foundation works
• Bridge, railway, water conservancy construction
• Long‑hour heavy‑duty working conditions

1. Which machines use 587-4943 swing motor? It fits CAT 349GC and CAT 352GC excavators.
2. What is the OEM part number? 587-4943.
3. What is the maximum swing torque? Up to 189 kN·m.
4. What is the swing speed? 8.3–8.4 rpm.
5. Is it suitable for mining? Yes, designed for heavy‑duty, long‑hour harsh working conditions.
6. Is it easy to install? Yes, direct OEM replacement, no modification needed.