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RITO Excavator Spare Part PC120-7 Swing Drive 9237803 PC120 PC130 Hydraulic Swing Motor Assembly Slewing Drive Assembly

Heavy-duty excavators used in earthmoving, demolition and quarry work need hydraulic parts that hold up under high pressure and repeated duty cycles. Over time, wear on reduction gears, drive shafts and hydraulic sealing faces can cause loss of power, vibration, oil leakage and unplanned downtime. The 9237803 Komatsu Excavator Swing Drive Assembly is engineered for Komatsu PC120-7, PC120, PC130 machines, restoring factory-level hydraulic response and consistent output on the job site.
  • Item NO.:

    9237803
  • Order(MOQ):

    1
  • Payment:

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

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details

For workshops and fleet operators, matching the right hydraulic assembly to the machine is what prevents repeat failures. The 9237803 Komatsu Excavator Swing Drive Assembly is built for Komatsu PC120-7, PC120, PC130 excavators, offering stable transmission, dependable durability and straightforward replacement. RITO supports professional maintenance with verified part numbers, inspection before dispatch and reliable B2B logistics.


9237803 Hydraulic Swing Drive

Product Specifications
Part Number9237803
Part NameKomatsu Excavator Swing Drive Assembly
Compatible BrandKomatsu
Applicable ModelsPC120-7, PC120, PC130 Excavator
ApplicationExcavator upper structure slewing hydraulic drive system
MaterialHigh-strength metal housing, precision hydraulic components, and hardened gear components
Product Colorblack/Original equipment style color
Working TemperatureDesigned for standard excavator hydraulic operating conditions
Key FunctionConverts hydraulic energy into controlled rotary motion for excavator upper structure slewing operation
Condition100% New, Aftermarket / OEM Quality
PackagingWooden Case/Reinforced Carton/Neutral Packing / Customized Box

Key Features & Advantages


Stable Slewing Performance

Provides powerful and consistent rotary force for Komatsu PC120-7, PC120, PC130 upper structure slewing and swing operations.

Precision Planetary Gear Structure

Hardened planetary and output gear sets maintain accurate motion, smooth speed reduction and efficient torque transfer under continuous duty.

Komatsu Swing System Compatibility

Designed for Komatsu PC120-7, PC120, PC130 slewing systems, with reference 9237803 for correct and quick replacement identification.

Reliable Heavy Equipment Solution

A dependable replacement option for repair workshops and distributors requiring stable swing drive assemblies.



FAQ

Q: What are the common symptoms of a failing 9237803 swing drive?
A: Frequent signs include slow or jerky slewing, the upper structure drifting after the control lever is centred, metallic grinding from the swing drive, and reduced rotary force when swinging a loaded bucket.

 

Q: What should be checked before installing the 9237803?
A: Check swing bearing condition, confirm mounting bolt alignment and gear backlash, verify hydraulic oil cleanliness, and inspect the swing motor coupling before installing the replacement assembly.

 

Q: Is this 9237803 a genuine OEM or aftermarket part?
A: This is a 100% new aftermarket assembly manufactured to OEM specifications. RITO HYDRAULIC is a listed factory and supplier to major Chinese excavator OEMs and Fortune 500 companies.

 

Q: How to confirm the 9237803 fits my excavator model?
A: Compare your original part number with 9237803. This swing drive fits Komatsu PC120-7, PC120, PC130 excavators. Contact our technical team with your serial number for compatibility confirmation.

 

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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