Swing motor leaking or swing speed declining on your R210LC-7 or R200W-7? A worn 31N6-10210 swing motor allows increasing internal bypass to build oil temperature and reduce swing circuit output torque. RITO supplies this precision swing motor to restore correct clearances and thermal stability on your Hyundai R210-7 series excavator.
Item NO.:
31N6-10210Order(MOQ):
1pcsPayment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANShipping Port:
Huangpu,GuangzhouLead Time：
In Stock31N6-10210 Hydraulic Swing Motor for Hyundai R210LC-7, R210NLC-7, R210LC-7A and R200W-7 excavators. Cross-reference: 31N610210. Standalone swing motor with new rotating group and factory-calibrated brake valve. Restores motor volumetric efficiency and correct swing deceleration torque for smooth, controlled Hyundai R210-7 slewing.
| Part Number | 31N6-10210 / 31N610210 |
|---|---|
| Part Name | Hydraulic Swing Motor (Single Motor) |
| Compatible Brand | Hyundai |
| Applicable Models | R210LC-7, R210NLC-7, R210LC-7A, R200W-7 Excavator |
| Application | Standalone hydraulic swing motor for Hyundai R210-7 series swing gearbox input |
| Material | Precision alloy steel rotating group, sealed housing |
| Product Color | Industrial finish |
| Working Temperature | -30°C~+80°C |
| Key Function | Converts R210-7 swing circuit flow into rotary torque for the swing gearbox input |
| Condition | 100% New Aftermarket OEM Quality |
| Packaging | Wooden Case Reinforced Carton Neutral Packing Customized Box |
Motor rotating group clearances maintained within OEM limits to keep case-drain flow below R210-7 specification, preventing the thermal build-up that progressively reduces swing speed.
Brake valve factory-set to R210LC-7 deceleration specification, providing controlled swing stop without overswing that loads the slew ring on high-hour machines.
31N6-10210 cross-references to 31N610210 across R210LC-7 production batches; both numbers refer to the same motor for the R210-7 series.
Single motor covers R210LC-7, R210NLC-7, R210LC-7A and R200W-7 for direct bolt-on replacement on all R210-7 series swing gearbox input flanges.
FAQ
Q: How do I confirm the 31N6-10210 motor needs replacing rather than the swing gearbox on R210LC-7?
A: Measure motor case-drain flow at rated swing speed. Above OEM spec (typically 8-12 L/min) confirms motor wear. Normal drain flow with gear noise indicates gearbox failure.
Q: Can I replace 31N6-10210 motor without removing the swing gearbox on R210LC-7?
A: Yes. The motor disconnects from the gearbox input flange independently. Inspect gearbox oil and input shaft before refitting to confirm gearbox is serviceable.
Q: What is the pre-fill procedure for 31N6-10210?
A: Fill motor case with clean hydraulic oil through the case-drain port before connecting. This prevents dry start that scores the new rotating group immediately.
Q: How to confirm 31N6-10210 fits my R210LC-7?
A: Match part number 31N6-10210 or 31N610210. Confirm machine is R210LC-7, R210NLC-7 or R200W-7. Provide machine serial number for cross-reference.
Q: What quality options are available?
A: We provide original, OEM and high-quality aftermarket versions with stable supply capability.
Q:Why Choose RITO?
A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies
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