Products

RITO EX600LCH Hydraulic Rotary Motor 4289284 9110045 Excavator Rotary Drive Slewing Device Assembly Swing Drive Motor

Facing swing instability, hydraulic pressure loss, or rotary drive wear in EX600LCH fleets? Wholesalers, mining contractors, and heavy equipment maintenance teams need reliable slewing systems to prevent downtime and maintain continuous production efficiency. RITO EX600LCH Hydraulic Rotary Motor 4289284 delivers stable torque output and efficient hydraulic-to-rotational energy conversion for ultra-heavy excavator swing applications.

  • Item NO.:

    4289284
  • 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 rotary motors, it provides stronger load resistance, improved gear stability, and consistent performance under continuous mining stress. Designed for EX600LCH systems, it supports OEM/OEM-equivalent supply, bulk procurement, and stable compatibility across mining, quarrying, and large-scale earthmoving operations.


 

 
Product Specifications
Part Number 4289284 / 9110045
Part Name Excavator Hydraulic Rotary Motor & Slewing Drive Device Assembly Swing Drive Motor
Compatible Brand HITACHI
Applicable Models EX600LCH Super 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 -22℃ to +58℃
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

High-Torque Stable Rotary Output

Ensures smooth and powerful swing rotation under heavy-duty conditions.

Leak-Free

Precision Hydraulic Conversion System

Efficiently converts hydraulic pressure into stable rotary motion.

Direct Fitment

OEM-Compatible Assembly Design

Matches 4289284 / 9110045 specifications for EX600LCH systems.

Rigorous Testing

Ultra-Heavy Duty Mining Reliability

Built for extreme load, impact, and continuous working environments.


Excavator Hydraulic Part

FAQ

Q: What causes unstable rotation or delayed response in EX600LCH swing motor systems?
A: This is usually caused by internal gear wear, hydraulic pressure fluctuation, or insufficient lubrication flow stability.

 

Q: What inspection steps are required before installing a 4289284 rotary swing motor assembly?
A: Check hydraulic cleanliness, pipeline sealing condition, mounting alignment accuracy, and ensure system pressure meets OEM standards.

 

Q: How to identify whether a swing reduction gearbox is failing under mining operation conditions?
A: Common signs include abnormal noise, overheating, torque drop, and inconsistent swing speed under heavy load.

 

Q: What operating conditions can affect the service life of an excavator rotary drive unit?
A: High dust environments, continuous overload working cycles, poor oil filtration, and extreme temperature variations significantly reduce lifespan.

 
 
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

9239583 Valve
RITO Excavator Hydraulic Pilot Control Valve ZX350 ZX330 ZX130LCN-3 for HITACHI

Optimize your Hitachi excavator's performance with this premium hydraulic joystick pilot control valve, precision-engineered for ZX350, ZX330, and ZX130LCN-3 models. It delivers smooth, accurate handling and rugged durability for demanding job sites.    

View More
9295140 Hydraulic Pump
RITO ZAXIS75US-3 ZAXIS85USB-3 Hydraulic Oil Pump 9295140 4663831 for Hitachi Excavator

This RITO 9295140 4663831 Hydraulic Pump is a core power component for Hitachi ZAXIS75US-3 and ZAXIS85USB-3 excavators, responsible for converting mechanical energy into stable hydraulic pressure to drive the arm, bucket, and travel systems. It ensures smooth operation, consistent flow output, and reliable performance under demanding construction and mining conditions.    

View More
9285566 Hydraulic Pump
RITO 9285566 9285685 9290597 9290598 ZAXIS120-3 Excavator Main Hydraulic Pump Assy

This RITO 9285566 9285685 9290597 9290598 Hydraulic Pump is a core component for Hitachi ZAXIS120-3 excavators, responsible for converting mechanical energy into stable hydraulic pressure to power the arm, bucket, and travel systems. It ensures smooth operation, precise flow control, and reliable performance in construction and mining environments.     

View More
 9262319 Hydraulic Pump
RITO High Quality High Pressure Pump ZAXIS200-3 Excavator Hydraulic Main Pump Assembly 9262319 9262320

This RITO 9262319 9262320 Hydraulic Pump is a core component for Hitachi ZAXIS200-3 excavators, responsible for converting mechanical energy into stable hydraulic pressure to power the arm, bucket, and travel systems. It ensures smooth operation, precise flow control, and reliable performance in construction and mining environments.     

View More
9257345 Hydraulic Pump
RITO Hydraulic Piston Pump 9257345 9257346 Excavator Main Pump for Hitachi ZAXIS270-3

This RITO 9257345 9257346 Hydraulic Pump is a core component for Hitachi ZAXIS270-3 excavators, responsible for converting mechanical energy into stable hydraulic pressure to drive the arm, bucket, and travel systems. It ensures smooth operation, precise flow control, and reliable performance in construction and mining environments.     

View More
9254122 Hydraulic Pump
RITO ZAXIS650LC-3 Hydraulic Pump 9254122 4635645 9254123 0005271 for Heavy Excavator

This RITO 9254122 4635645 9254123 0005271 Hydraulic Pump is a heavy-duty core component for Hitachi ZAXIS650LC-3 excavators, designed to convert mechanical energy into stable, high-pressure hydraulic output for demanding arm, bucket, and travel operations. It ensures smooth power transmission, precise flow regulation, and reliable performance in extreme mining and large-scale construction environments.     

View More
9197075 Hydraulic Pump
RITO ZAXIS600 Excavator Hydraulic Main Pump 9197075 0003954 Hydraulic System Parts

This RITO 9197075 0003954 Hydraulic Pump is a heavy-duty core component for Hitachi ZAXIS600 excavators, engineered to convert mechanical energy into stable, high-pressure hydraulic output for arm, bucket, and travel operations. It ensures smooth power transmission, precise flow control, and reliable performance in demanding mining and large-scale construction environments.     

View More
9195239 Hydraulic Pump
RITO High Performance Hydraulic Main Pump 9195239 9195237 for Hitachi ZAXIS270 ZX270LC ZX280 Excavator Spare Parts

This RITO 9195239 9195237 Hydraulic Pump is a core component for Hitachi ZAXIS270 excavators, designed to convert mechanical energy into stable hydraulic pressure to power the arm, bucket, and travel systems. It ensures smooth operation, precise flow control, and reliable performance in construction and medium to heavy-duty working environments.     

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