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RITO 145-41030 Swing Reduction Gearbox 14541030 Slewing Device S340LC-V S400LC-V S420LC-V DX300 Rotary Drive Reducer Unit

Imprecise swing stops and gear backlash make accurate material handling impossible for large crawlers. When heavy-duty gears suffer tooth fatigue, the cab drifts past its target, lowering efficiency and threatening jobsite crews. Do not let an inefficient rotation drive cripple your large-frame S340LC-V, S400LC-V, or S420LC-V machines.

  • Item NO.:

    145-41030
  • Order(MOQ):

    1
  • Payment:

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

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details

Achieve crisp, reliable rotation command using the premium RITO 145-41030 Swing Reduction Gearbox. Designed as a heavy-duty Slewing Device DX300 Rotary Drive Reducer Unit, it minimizes gear play and delivers smooth rotational force, optimizing productivity for heavy fleet operations.

145-41030 Swing Reduction Gearbox

 
Product Specifications

Part Number  145-41030 / 14541030
Part Name Slewing Device Rotary Drive Reducer Unit
Compatible Brand Volvo
Applicable Models S340LC-V, S400LC-V, S420LC-V, DX300
Application Excavator hydraulic system
Material High Tensile Vacuum-Degassed Forged Alloy Steel
Product Color Matte Black
Working Temperature -20 to 120 degrees Celsius
Key Function Large Frame Rotation Speed Reduction, Torque Multiplication, and Positioning Control
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

 

Key Features & Advantages


Precision

Heavy-Duty Low-Backlash Gear Carriers

ensure exact upper-deck positioning, eliminating cab drift when operating on uneven slopes.

Leak-Free

Induction-Tempered Splining Tooth Profiles

resist high shearing stresses, preventing teeth from chipping under rapid rotational braking.

Direct Fitment

Premium Double-Lip Dynamic Mirror Seals

keep water, dust, and abrasive sand out of the lower gear housing on wet mining sites.

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 field indicators confirm that a heavy rotary drive gearbox has suffered gear tooth fatigue?
A: Increased mechanical backlash when starting a swing, rhythmic clicking noises under load, and large metal slivers on the magnetic drain plug.
 
Q: Installation: What bolt fastening sequence must be followed when mounting this heavy gearbox onto the excavator frame?
A: Service techs must use a star tightening pattern in multiple stages, torquing every bolt to full factory specification with high-strength thread locker.
 
Q: Compatibility: Will this specific planetary gearbox fit across different model generations within the same heavy class?
A: Yes, part 145-41030 matches factory dimensions, serving as a reliable replacement for Doosan DX300 and Solar 340LC-V series.
 
Q: Extreme Environment Performance: How does this gearbox handle high shock loads when running heavy hydraulic demolition shears?
A: The forged alloy housing features high yield strength, absorbing sudden counter-shocks without expanding or losing gear alignment.
 
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

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.

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