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RITO 4330222 Swing Motor Assembly EX210H-5 M2X146 9148922 Excavator Hydraulic Slewing Motor Rotary Drive Unit Swing Drive Motor

RITO 4330222 Swing Motor Assembly EX210H-5 M2X146 9148922 Excavator Hydraulic Slewing Motor Rotary Drive Unit Swing Drive Motor

Facing swing instability, hydraulic pressure fluctuation, or rotary drive wear in EX210H-5 fleets? Wholesalers, mining contractors, and maintenance teams need dependable slewing systems to reduce downtime and maintain stable machine output. RITO 4330222 Swing Motor Assembly EX210H-5 M2X146 delivers stable torque performance and efficient hydraulic-to-rotational conversion for heavy-duty excavator swing applications.

Item NO.:
4330222
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

Compared with standard aftermarket swing motors, it provides improved internal gear stability, reduced mechanical loss, and consistent performance under continuous excavation cycles. Designed for M2X146 systems, it supports OEM/OEM-equivalent sourcing, bulk procurement, and stable compatibility across mining, quarrying, and construction environments.

Product Specifications

Part Number	4330222 / 9148922, Motor Model M2X146
Part Name	Excavator Hydraulic Slewing Motor & Rotary Swing Drive Unit Assembly Swing Drive Motor
Compatible Brand	HITACHI
Applicable Models	EX210H-5 Medium Heavy-Duty Excavator, M2X146 Slewing Rotary Motor
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 medium-heavy slewing torque to drive excavator upper body rotation for heavy municipal earthmoving, highway construction and medium quarry excavation engineering works
Condition	100% New, Aftermarket / OEM Quality
Packaging	Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

Key Features & Advantages

Stable Swing Torque Output

Ensures smooth rotation and precise control under heavy-load conditions.

Efficient Hydraulic Energy Conversion

Enhances power transfer from hydraulic system to rotary motion.

Reinforced Heavy-Duty Structure

Built for dust-heavy, high-impact, and continuous working environments.

OEM-Compatible Assembly Standard

Matches 4330222 / 9148922 specifications for EX210H-5 systems.

FAQ

Q: What causes weak swing performance in EX210H-5 hydraulic swing motor systems?
A: It is commonly caused by hydraulic pressure drop, internal valve wear, or gear wear inside the motor assembly.

Q: What should be checked before installing a 4330222 swing motor assembly?
A: Inspect hydraulic oil cleanliness, confirm mounting alignment, and ensure system pressure stability within OEM specifications.

Q: How can abnormal vibration in a swing motor be diagnosed?
A: It is often linked to bearing wear, uneven gear meshing, or inconsistent hydraulic flow distribution.

Q: What working conditions most affect M2X146 swing drive lifespan?
A: Continuous overload, poor filtration, abrasive dust environments, and extreme temperature variations significantly reduce durability.

Q:Why Choose RITO?
A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies

Related Tags :

4330222

Swing Motor

M2X146 Swing Motor

EX210H-5 Swing Motor

Swing Drive Motor

Swing Reduction Unit

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Subject : RITO 4330222 Swing Motor Assembly EX210H-5 M2X146 9148922 Excavator Hydraulic Slewing Motor Rotary Drive Unit Swing Drive Motor

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