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RITO 169-5549 Swing Reduction Gearbox 1695549 High Torque 320C 320B 320L 321B 320BL Excavator Slewing Device Reducer Assy

Excessive gear housing play and loud whining noises indicate a failing rotation drive. When internal components lose alignment under high-speed slewing stops, planetary bearings pit rapidly, dropping operational efficiency. Keep your 320C, 320B, or 320L excavators from becoming expensive field liabilities.

  • Item NO.:

    169-5549
  • Order(MOQ):

    1
  • Payment:

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

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details

Achieve fluid, dependable upper structure control using the RITO Swing Reduction Gearbox 169-5549. This high-performance Slewing Device Reducer Assy delivers immense torque holding capacity and exact speed reduction, guaranteeing smooth cabin indexing and lasting durability for 321B and 320BL fleets globally.

169-5549 Swing Reduction Gearbox

 
Product Specifications

Part Number  169-5549 / 1695549
Part Name Slewing Device Reducer Assy
Compatible Brand CAT
Applicable Models 320C, 320B, 320L, 321B, 320BL
Application Excavator hydraulic system
Material High-Density Nodular Iron Casing and Hardened Steel Gears
Product Color Technical Black
Working Temperature -20 to 110 degrees Celsius
Key Function Rotation Speed Reduction, Torque Multiplication, and Structural Brake Holding
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

 

Key Features & Advantages


Precision

High-Density Nodular Iron Casing and Hardened Steel Gears

handles intense braking stresses smoothly, ensuring precise stopping alignment without cabin rebound.

Leak-Free

Double-Lip Heavy Lip Oil Seals

keep vital gear lubricants contained while blocking external silt and moisture from entering.

Direct Fitment

Carburized Shock-Resistant Gearing

resists tooth surface spalling during sudden direction changes, lowering maintenance costs.

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 operational issues indicate that a swing reduction gearbox has excessive internal backlash or gear wear?
A: If the upper cabin chassis shakes or drifts slightly after the operator releases the control levers, the gears are worn.
 
Q: Installation: What critical steps must mechanics complete regarding the lower output pinion gear before bolting the unit down?
A: Technicians must check the pinion spline alignment, clean old grease from the lower cavity, and apply high-pressure open-gear lubricant.
 
Q: Compatibility: How can wholesale buyers confirm this slewing gearbox fits their specific machinery inventory?
A: Cross-reference the stamped part number 169-5549. This reduction assembly fits Caterpillar 320B and 320C track frames perfectly.
 
Q: Extreme Environment Performance: How does this drive survive continuous high-frequency swinging in hot weather quarries?
A: Designed with deep internal oil channels, the gearbox promotes constant oil circulation to keep bearings cool and prevent lubricant thinning.
 
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.

Leave A Message

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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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