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RITO Excavator Upper Swing Drive 4330222 EX200-5 M2X146 9148922 Slewing Motor Swing Drive Rotary Unit Swing Drive Motor

RITO Excavator Upper Swing Drive 4330222 EX200-5 M2X146 9148922 Slewing Motor Swing Drive Rotary Unit Swing Drive Motor

Facing swing instability, hydraulic delay, or upper swing drive wear in EX200-5 fleets? Wholesalers, mining contractors, and equipment maintenance teams need reliable slewing systems to reduce downtime and maintain stable productivity. RITO Excavator Upper Swing Drive 4330222 EX200-5 M2X146 delivers stable torque output and efficient hydraulic-to-rotational conversion for consistent excavator swing performance.

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 units, it improves gear engagement precision, reduces internal backlash, and maintains stable 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 Upper Swing Drive & Slewing Rotary Motor Unit Assembly
Compatible Brand	HITACHI
Applicable Models	EX200-5 Medium 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 municipal earthmoving, road construction and medium quarry excavation construction operations
Condition	100% New, Aftermarket / OEM Quality
Packaging	Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

Key Features & Advantages

Stable Rotary Torque Output

Ensures smooth and controlled swing motion under heavy-load conditions.

Efficient Hydraulic Conversion System

Improves energy transfer from hydraulic pressure to rotary movement.

Reinforced Heavy-Duty Structure

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

OEM-Compatible Assembly Standard

Matches 4330222 / 9148922 specifications for EX200-5 systems..

FAQ

Q: What causes weak swing response in EX200-5 upper swing drive systems?
A: It is commonly caused by hydraulic pressure drop, internal gear wear, or insufficient lubrication flow.

Q: What should be checked before installing a 4330222 swing drive assembly?
A: Verify hydraulic oil cleanliness, confirm mounting alignment accuracy, and ensure system pressure stability.

Q: How can abnormal noise in a swing drive unit be diagnosed?
A: It is often related to bearing wear, gear pitting, or uneven hydraulic flow distribution.

Q: What operating conditions most affect M2X146 swing system 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

EX200-5 Swing Motor

Swing Motor Assembly

Rotary Drive Unit

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Subject : RITO Excavator Upper Swing Drive 4330222 EX200-5 M2X146 9148922 Slewing Motor Swing Drive Rotary Unit Swing Drive Motor

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