John Deere Excavator Swing Gearbox Planetary parts list
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180GLC, 200G, 200DLC, 210G, 210GLC, 210P, 225DLC, 245P, 245GLC, 180LC-5G, 180LC-5N, 180LC-6N, 200LC-3, 210-5A, 210LC-5A, 210-5G, 210LC-5G, 210-5N, 210LC-5N, 210LC-6N, 225USLC-3, 245USLC-5N, 245USLC-6N |
Planetary Sun Gear Shaft |
2050692 |
$350.00
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110, 120, 490E, EX110-5 |
Seal, Swing Gearbox Planetary |
AT154177 |
$78.00
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John Deere excavator swing gearbox planetary components including sun shafts, sun gears, and swing gearbox bearings. These precision-machined internal components are designed to restore smooth swing operation, proper torque transfer, and long-term durability in the upper structure drive system.
The swing gearbox planetary system is critical to controlled cab rotation. Worn sun shafts, chipped sun gears, or failing bearings can cause grinding noise, excessive play, uneven rotation, or complete swing failure. Replacing internal planetary components helps prevent costly ring gear or housing damage.
This category supports a wide range of John Deere excavators across multiple size classes. Components are manufactured to meet OEM specifications for correct spline engagement, gear mesh, and load handling in high-torque applications.
Parts Covered in This Category
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Sun shafts (input/output as applicable)
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Sun gears (planetary drive gears)
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Swing gearbox planetary bearings
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Associated internal swing gearbox components
Common Signs of Failure
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Grinding or popping noise during swing
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Jerky or uneven rotation
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Excessive rotational play in the house
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Metal contamination in swing gearbox oil
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Loss of torque transfer
Key Notes
Application: John Deere excavator swing gearbox planetary systems
Function: Transfers hydraulic motor torque to the ring gear for upper structure rotation
Build: Hardened and precision-machined steel components
Fitment: Model-specific — verify by machine model and serial number
Why Choose Replacement Planetary Components
✔ Restores smooth swing operation
✔ Prevents further gearbox damage
✔ High-strength gear steel construction
✔ Direct-fit replacements for Deere swing systems
