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RITO Swing Motor Cover 31QB-11101 31QB11101 R210LC-9 Motor Housing R220LC-9 R215-9 R210NLC-9 Excavator Rotation Motor End Caps

Cracked rotation caps cause severe gear oil leaks and let abrasive dirt penetrate delicate slewing systems. Once contaminants enter the planetary reduction gears, the entire rotation motor grinds to a costly halt. Protect your R210LC-9 and R220LC-9 machinery from these devastating mechanical failures.

  • Item NO.:

    31QB-11101
  • Order(MOQ):

    1
  • Payment:

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

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details

Reinforce your rotation system using the rugged RITO Swing Motor Cover 31QB-11101. This precision-engineered Motor Housing end cap delivers a flawless seal and superior structural protection for R215-9 and R210NLC-9 excavators, giving industrial parts buyers and rebuild shops total peace of mind.

31QB-11101 Swing Motor Cover

 
Product Specifications

Part Number  31QB-11101 / 31QB11101
Part Name Swing Motor Cover
Compatible Brand Hyundai
Applicable Models R210LC-9, R220LC-9, R215-9, R210NLC-9
Application Excavator hydraulic system
Material Heavy-Duty Forged Steel Housing
Product Color Technical Black
Working Temperature -35 to 110 degrees Celsius
Key Function Rotation Motor End Encapsulation and Seal Retention
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

 

Key Features & Advantages


Precision

High-Density Reinforced Cast Shell

absorbs severe lateral counter-shocks during sudden swing braking, preventing exterior structural fracturing.

Leak-Free

Precision CNC O-Ring Groove Machining

creates an absolute hermetic seal against fluid loss, completely blocking mud, dust, and external moisture entry.

Direct Fitment

Optimized Internal Fluid Porting

facilitates smooth internal case drainage flow, minimizing backpressure strain on internal motor shaft seals.

Rigorous Testing

Global Supply Tiering

We offer Original, OEM, and high-performance Aftermarket options to provide flexible procurement strategies for diverse regional markets.
 
 

 

Excavator Hydraulic Part

FAQ


Q: Fault Diagnosis: What visual and operational clues tell a mechanic that the swing motor end cap needs checking?
A: Gear oil puddling around the upper deck machinery space, heavy dirt accumulation on the motor top, and loud clicking noises during swing acceleration point to a compromised housing cap or seal blowout.
 
Q: Installation: What torque practices must be maintained when mounting this heavy structural cap?
A: Mechanics must apply a criss-cross bolt tightening sequence in multiple stages, using a calibrated torque wrench to ensure even clamping pressure across the sealing surface.
 
Q: Procurement Verification: Does this housing cover match the standard factory dimensions of specific excavator lines?
A: Yes, part 31QB-11101 matches factory blueprints exactly, making it a reliable direct replacement cap for Hyundai R210LC-9, R220LC-9, R215-9, and R210NLC-9 rotation drives.
 
Q: Extreme Environment Performance: Can this cast cap withstand the severe thermal cycling of heavy duty quarry operations?
A: Manufactured from premium ductile iron, this cover possesses superior thermal shock resistance, preventing structural warping or cracking during sub-zero winters followed by high-load heat build-up.
 

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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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.

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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.

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