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RITO Excavator Upper Swing Drive 4294479 EX300-3C M2X210 9151199 Slewing Motor Swing Drive Rotary Unit Swing Drive Motor

RITO Excavator Upper Swing Drive 4294479 EX300-3C M2X210 9151199 Slewing Motor Swing Drive Rotary Unit Swing Drive Motor

Facing swing instability, hydraulic delay, or upper swing drive wear in EX300-3C fleets? Wholesalers, mining contractors, and equipment maintenance teams require reliable slewing systems to maintain uptime and reduce operational interruptions. RITO Excavator Upper Swing Drive 4294479 EX300-3C M2X210 delivers stable torque output and efficient hydraulic-to-rotational conversion for heavy-duty excavator swing applications.

Item NO.:
4294479
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 conventional aftermarket swing drives, it improves gear engagement precision, reduces backlash, and ensures stable performance under continuous excavation workloads. Designed for M2X210 systems, it supports OEM/OEM-equivalent sourcing, bulk procurement, and reliable compatibility across mining, quarrying, and construction operations.

Product Specifications

Part Number	4294479 / 9151199, Motor Model M2X210
Part Name	Excavator Upper Swing Drive & Slewing Rotary Motor Unit Assembly
Compatible Brand	HITACHI
Applicable Models	EX300-3C Excavator, M2X210 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 heavy slewing torque to drive excavator upper body rotation for heavy earthmoving, hard rock excavation and aggregate loading construction operations
Condition	100% New, Aftermarket / OEM Quality
Packaging	Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

Key Features & Advantages

Stable Swing Torque Performance

Ensures smooth and powerful rotation under heavy-load conditions.

Precision Hydraulic Drive Conversion

Improves energy efficiency and reduces mechanical loss during operation.

Reinforced Industrial Durability Structure

Built for continuous mining and harsh working environments.

OEM-Compatible Assembly Standard

Matches 4294479 / 9151199 specifications for M2X210 systems.

FAQ

Q: What causes unstable swing movement in EX300-3C upper swing drive systems?
A: It is usually caused by hydraulic pressure fluctuation, internal gear wear, or insufficient lubrication flow.

Q: What must be checked before installing a 4294479 swing drive assembly?
A: Verify hydraulic cleanliness, mounting alignment accuracy, sealing condition, and system pressure stability.

Q: How can early wear in a swing reduction mechanism be identified?
A: Early signs include abnormal noise, delayed response, and uneven torque delivery under load.

Q: What operating conditions most affect M2X210 swing drive lifespan?
A: Continuous overload, poor filtration, dust-heavy 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 :

4294479

Swing Motor

M2X210 Swing Motor

EX300-3C Swing Motor

Swing Drive Motor

Excavator Slewing Motor

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Subject : RITO Excavator Upper Swing Drive 4294479 EX300-3C M2X210 9151199 Slewing Motor Swing Drive Rotary Unit Swing Drive Motor

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