Many distributors and onsite operators struggle with sun gear tooth chipping, unstable slewing output and frequent gearbox overhaul downtime on construction sites. Our 595-6587 swing drive sun gear is developed for excavator swing reduction gearbox assembly. Adopting high-density carburized steel craft, it eliminates typical B‑side procurement pitfalls such as poor meshing accuracy and premature fatigue wear, fully adaptable to long-cycle earthmoving and open-pit mining heavy workloads.
Item NO.:
595-6587Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSLow-grade alternative gears often cause transmission jitter and accelerated aging of matched planetary parts, pushing up routine maintenance expenditure over time. This 595-6587 reduction sun gear features optimized tooth profile design and high-load structural reinforcement. It acts as the primary power transmission core inside swing gearbox, enables flexible bulk stocking for suppliers, and sustains smooth slewing operation for engineering machinery fleets.

| Part Number | 595-6587 |
|---|---|
| Part Name | Swing Drive Sun Gear |
| Compatible Brand | Caterpillar |
| Applicable Models | Excavator |
| Application | Excavator |
| Material | High strength carburized alloy steel |
| Product Color | Black oxide coating with anti-rust oil film |
| Working Temperature | -27℃ to 85℃ |
| Key Function | Transmit primary torque, drive planetary gear set and stabilize swing gearbox reduction transmission |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |





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OEM Factory for Chinese Top Excavator Brands
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