Products

RITO 31N6-10210 Reliable Swing Motor Assembly Excavator Swing Drive Hydraulic Motor Reduction Gearbox Spare Parts

Hyundai excavator swing slow, uncontrollable or motor overheating? A worn 31N6-10210 swing motor allows internal bypass that builds heat faster than the cooler can reject it, progressively degrading swing response until the circuit reaches thermal shutdown. RITO's precision swing motor restores correct bypass clearance, bringing oil temperature back into the normal operating band.

  • Item NO.:

    31N6-10210-OT
  • Order(MOQ):

    1pcs
  • Payment:

    T/T, WESTERN UNION, CHINESE BANK,PAYPAL
  • Product Origin:

    JAPAN
  • Shipping Port:

    Huangpu,Guangzhou
  • Lead Time:

    In Stock
  • Product Details

31N6-10210 Hydraulic Swing Motor (Single Motor Unit) for Hyundai excavator. This is the motor-only unit without integrated gearbox reduction, fitted where the swing planetary gearbox is a separate assembly. Precision cylinder block, piston shoes and valve plate restore motor volumetric efficiency; the calibrated brake valve restores correct swing deceleration torque without cab overswing.

31N6-10210 Swing Motor


Product Specifications
Part Number 31N6-10210
Part Name Hydraulic Swing Motor (Single Motor)
Compatible Brand Hyundai
Applicable Models Hyundai Excavator Swing Circuit
Application Standalone hydraulic swing motor driving the separate swing planetary gearbox
Material Precision alloy steel rotating group, sealed motor housing
Product Color Industrial finish
Working Temperature -30°C~+80°C
Key Function Converts swing circuit hydraulic flow into rotary torque input to the separate swing gearbox
Condition 100% New Aftermarket OEM Quality
Packaging Wooden Case Reinforced Carton Neutral Packing Customized Box

Key Features & Advantages


Low-Bypass Rotating Group

Cylinder block-to-piston shoe clearance maintained within OEM limits to keep case-drain flow below specification and oil temperature within the normal operating band.

Calibrated Swing Brake Valve

Brake valve relief pressure set to OEM specification for the 31N6-10210 circuit, providing the correct swing deceleration ramp without abrupt cab stop or overswing.

Motor-Only Unit Flexibility

Standalone motor design allows replacement of the motor without disturbing the separate swing gearbox when gearbox inspection confirms it remains serviceable.

Hyundai Swing Circuit Match

Port sizes, case-drain port location and motor flange bolt pattern confirmed for Hyundai swing motor mounting for direct bolt-on replacement.



FAQ

Q: How do I confirm the 31N6-10210 swing motor has failed rather than the gearbox?
A: Measure motor case-drain flow at rated swing speed. If case drain exceeds OEM spec (typically 8-12 L/min for a motor this size) with normal gearbox oil condition, the motor rotating group is worn and the 31N6-10210 motor needs replacement.

 

Q: Can I replace 31N6-10210 swing motor without removing the swing gearbox?
A: Yes. The motor disconnects from the gearbox input flange independently. Inspect the gearbox input shaft and oil before refitting to confirm the gearbox is serviceable.

 

Q: What is the correct case-drain connection procedure for 31N6-10210?
A: Fill the motor case with clean hydraulic oil through the case-drain port before connecting it to the drain line. This pre-fills the motor and prevents a dry start that would score the new rotating group.

 

Q: How to confirm 31N6-10210 fits my Hyundai excavator?
A: Match hydraulic port sizes, motor case bolt pattern and case-drain port position. Provide the excavator model and serial number to our team 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

 

Leave A Message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

Related Products

R320LC-9S R330LC-9S Shaft
RITO Excavator Drive Shaft R300LC 9S R320LC-9S R330LC-9S Hydraulic Pump Shaft PTO Shaft for Excavator Part

This RITO Excavator Drive Shaft PTO Shaft R300LC-9SZ R300LC-9S R320LC-9S R330LC-9S is a key transmission component for Hyundai excavators, responsible for transferring engine power to the hydraulic pump. It ensures stable torque transmission, smooth power delivery, and reliable operation in demanding construction environments.     

View More
31N8-27210 Right joystick
RITO Excavator Right Joystick 31N8-27210 R320LC-7A R330LC-7A R300LC-7 Hydraulic Pilot Control Handle Assembly for Hyundai

This RITO 31N8-27210 Right Joystick Control Handle Assembly is a key control component for Hyundai R320LC-7A, R330LC-7A, and R300LC-7 excavators, designed to transmit precise pilot control signals to the hydraulic system. It ensures smooth operation, accurate response, and stable control of the arm, bucket, and travel functions in construction environments.     

View More
XJBN-00649 Spool valve
RITO Hydraulic Spool Valve XJBN-00649 R320LC-7A R330LC-7A Excavator Main Control Valve for Original Parts

This RITO XJBN-00649 Hydraulic Spool Valve is a critical internal component for the main control valve of Hyundai R320LC-7A and R330LC-7A excavators, designed to precisely regulate hydraulic oil flow and direction within the system. It ensures accurate control response, smooth operation, and stable performance in construction environments.     

View More
XJBN-00650 Spool valve
RITO Hydraulic Spool Valve XJBN-00650 R320LC-7A R330LC-7A Excavator Main Control Valve Original Parts for Hyundai

This RITO XJBN-00650 Hydraulic Spool Valve is a critical internal component for the main control valve of Hyundai R320LC-7A and R330LC-7A excavators, designed to precisely regulate hydraulic oil flow and direction within the system. It ensures accurate control response, smooth operation, and stable performance in demanding construction environments.     

View More
R210-7 Main Relief
RITO Hydraulic Main Relief Valve R210-7 R210-7 R215-7 R220-7 Excavator Main Pressure Relief Valve for Hyundai

This RITO R210-7YLF Hydraulic Main Relief Valve is a critical safety component for Hyundai R210-7, R215-7, and R220-7 excavators, designed to regulate and limit maximum hydraulic pressure within the system. It protects key components from overload, ensuring stable pressure control, smooth operation, and reliable performance in construction environments.  

View More
31N6-17740
RITO Negacon Valve Assembly 31N6-17740 R210-7 R215-7 R220-7 R320LC-7A Excavator Hydraulic Control Valve for Hyundai

This RITO 31N6-17740 Negacon Valve Assembly is a key hydraulic control component for Hyundai R210-7, R215-7, R220-7, and R320LC-7A excavators, designed to regulate negative flow signals and coordinate pump output with system demand. It ensures smooth multi-function operation, optimized power distribution, and improved fuel efficiency in construction environments.

View More
XKAQ-00214 Washer
RITO Flat Washer Thrust Washer XKAQ-00214 Washer for Hyundai R210LC-7 Excavator

Excessive axial play and metal-on-metal friction in excavator joints lead to catastrophic pin wear and structural misalignment. Standard washers often fail under the intense vibration of mining sites. The XKAQ-00214 eliminates these gaps, preventing the costly bore repairs that paralyze your R210LC-7 fleet.

View More
XKAQ-00400 Carrier Assy 1st
RITO 1st Carrier Assembly XKAQ-00400 CARRIER ASSY 1st for Hyundai R330-9 Excavator

Excavator planetary failure forces costly teardowns. XKAQ-00400 eliminates loose pocket wear & cracked bridges seen in weak carriers. Direct-fit for Hyundai R330-9 final drives. Reduce rework claims now.

View More
Leave A Message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

Leave A Message

Leave A Message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

Home

Products

whatsApp

contact