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RITO 4218108 Swing Motor Assembly EX700H 9078738 9100488 Excavator Hydraulic Slewing Motor Rotary Drive Unit Swing Drive Motor

Facing swing instability, hydraulic torque loss, or rotary motor wear in EX700H fleets? Wholesalers, mining operators, and repair centers need reliable slewing systems to reduce downtime and ensure continuous production. RITO 4218108 Swing Motor Assembly EX700H delivers stable rotational torque and precise hydraulic-to-mechanical conversion for heavy-duty excavator swing operations.

  • Item NO.:

    4218108
  • Order(MOQ):

    1
  • Payment:

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

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details
Compared with standard aftermarket swing motors, it offers improved gear durability, stronger load resistance, and consistent performance under continuous mining conditions. Designed for EX700H systems, it supports OEM/OEM-equivalent supply, bulk procurement, and stable compatibility across mining, quarrying, and large-scale construction environments.

 

 
Product Specifications
Part Number 4218108 / 9078738 / 9100488
Part Name Excavator Hydraulic Slewing Motor & Rotary Swing Drive Unit Assembly
Compatible Brand HITACHI
Applicable Models EX700H Heavy Mining Excavator
Application Excavator upper body slewing rotary hydraulic drive system
Material High-strength alloy steel + wear-resistant bronze friction accessories
Product Color Matte anti-rust industrial metallic gray
Working Temperature -25℃ to +60℃
Key Function Convert high-pressure hydraulic power into stable heavy-duty slewing torque to drive excavator upper body rotation for open-pit ore excavation, hard rock breaking and bulk mineral loading mining operations
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

Key Features & Advantages


Precision

Stable Swing Torque Output

Ensures smooth and powerful rotation for EX700H excavator cycles.

Leak-Free

Precision Hydraulic Drive Conversion

Efficiently transforms hydraulic pressure into stable rotary motion.

Direct Fitment

OEM-Compatible Assembly Design

Matches 4218108 / 9078738 / 9100488 specifications for EX700H systems.

Rigorous Testing

Heavy-Duty Mining Reliability

Built for high-load, high-impact, and continuous working environments.


Excavator Hydraulic Part

FAQ


Q:What are common swing motor failure symptoms?
  • A:Symptoms include weak rotation, hydraulic leakage, overheating, abnormal noise, and unstable swing movement.

 

Q:What must be checked before installation?

A:Ensure hydraulic system flushing, correct alignment, clean oil condition, and proper torque tightening before assembly.

  •  
  •  

Q:How to ensure correct model selection?

A:Verify part numbers 4218108 / 9078738 / 9100488 and confirm compatibility with EX700H swing systems.

 

Q:Can it operate in mining conditions?
A:Yes, it is engineered for high-load, high-impact, and dust-heavy environments such as mining, quarrying, and large-scale excavation operations.

 
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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