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RITO 4423009 Swing Motor Assy ZX450 ZX450-3 ZX450LC-3 Swing Device Hydraulic Slewing Motor Without Gear Box Excavator Parts

RITO 4423009 Swing Motor Assy ZX450 ZX450-3 ZX450LC-3 Swing Device Hydraulic Slewing Motor Without Gear Box Excavator Parts

During continuous excavation cycles, unstable upper-frame rotation can severely reduce machine coordination and loading efficiency. When the swing motor begins showing delayed response, rotational vibration, or abnormal hydraulic noise, it often indicates declining internal pressure balance or wear inside the slewing drive system. Under quarry and rock-handling conditions, these failures can rapidly lead to uncontrolled swing movement and costly operational interruptions.

Item NO.:
4423009
Order(MOQ):
1
Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPAL
Product Origin:
JAPAN
Lead Time：
2-3 DAYS

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Product Details

4423009 Swing Motor Assy

Product Specifications

Part Number	4423009
Part Name	Swing Motor Assy
Compatible Brand	Hitachi
Applicable Models	ZX450 / ZX450-3 / ZX450LC-3
Application	Excavator
Material	Heat-treated alloy steel with precision-machined hydraulic components
Product Color	Semi-gloss black corrosion-resistant coating
Working Temperature	-30°C to 115°C
Key Function	Upper structure slewing and rotational drive control
Condition	100% New, Aftermarket / OEM Quality
Packaging	Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

Key Features & Advantages

Controlled Rotational Output

Supports smooth and responsive upper-frame movement during digging, loading, and positioning operations.

Efficient Hydraulic Torque Transfer

Improves slewing power delivery while reducing hydraulic energy loss during continuous rotation cycles.

Low-Vibration Internal Design

Optimized internal hydraulic structure helps minimize rotational shock and improve operating stability.

Adapted for Severe Duty Conditions

Performs reliably under high-load construction, quarry, and mining environments requiring continuous swing action.

Excavator Hydraulic Part

FAQ

Q: What are typical signs of swing motor deterioration?

A: Common symptoms include delayed rotation, unstable swing speed, hydraulic leakage, abnormal vibration, or unusual noise during upper-frame movement.

Q: What should technicians inspect before installation?
A: Check hydraulic oil contamination, swing bearing condition, hose cleanliness, and mounting alignment to prevent premature motor wear.

Q: How can buyers verify correct motor selection?
A: Confirm excavator model compatibility, hydraulic configuration, and part number 4423009 before placing an order.

Q: Why does the excavator still swing unevenly after replacement?
A: In many cases, the issue is related to swing brake malfunction, hydraulic pressure imbalance, or wear inside the swing bearing system.

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

Related Tags :

4423009

Swing Motor Assy

Swing Device

Swing Motor Without Gear Box

Excavator Swing Gearbox

Excavator Hydraulic Slewing Motor

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Subject : RITO 4423009 Swing Motor Assy ZX450 ZX450-3 ZX450LC-3 Swing Device Hydraulic Slewing Motor Without Gear Box Excavator Parts

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