Hydraulic pressure loss in swing motors leads to sluggish rotation and costly downtime for HX520L fleets. Worn cylinder blocks cause internal leakage and pump seizure, halting mining production. The 39Q6-11180 assembly restores factory precision. This Cylinder Block kit ensures peak slewing torque and efficiency.
Item NO.:
39Q6-11180Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSOur 39Q6-11180 features bimetal technology for extreme wear resistance. Ideal for Hyundai HX520L, it offers agents a zero-defect, OEM-standard solution that secures fleet uptime and maximizes procurement ROI.

| Part Number | 39Q6-11180 / 39Q611180 |
|---|---|
| Part Name | Swing Motor Repair Kit Cylinder Block |
| Compatible Brand | Tongmyung |
| Applicable Models | Hyundai HX520L |
| Application | Excavator hydraulic system |
| Material | High‑strength Alloy Steel |
| Product Color | Steel Grey |
| Working Temperature | -25°C to 105°C |
| Key Function | Maintaining hydraulic pressure and facilitating piston movement in swing motors |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |

The 39Q6-11180 block utilizes a high-copper alloy bonded to steel, providing superior friction reduction and heat dissipation for heavy-duty slewing.

Each cylinder bore and the block face are precision-ground to micron tolerances, ensuring a perfect seal and minimizing internal hydraulic bypass.

Specifically engineered as a drop-in replacement for Hyundai HX520L swing motors, eliminating the need for modifications and reducing installation time.


FAQ
A: We provide original, OEM, and high-quality aftermarket versions with stable supply capability.
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A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies
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