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RITO Excavator Swing Reduction Gearbox 4294479 EX300-3 M2X210 9151199 Rotary Motor Assembly Slewing Drive Unit Swing Motor Assy

RITO Excavator Swing Reduction Gearbox 4294479 EX300-3 M2X210 9151199 Rotary Motor Assembly Slewing Drive Unit Swing Motor Assy

Facing swing gearbox instability, hydraulic torque loss, or rotary drive wear in EX300-3 fleets? Wholesalers, mining contractors, and equipment maintenance teams need dependable slewing systems to reduce downtime and maintain operational continuity. RITO Excavator Swing Reduction Gearbox 4294479 EX300-3 M2X210 delivers stable torque transmission and efficient hydraulic-to-mechanical 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 standard aftermarket swing assemblies, it offers improved gear engagement precision, higher load resistance, and stable performance under continuous excavation cycles. Designed for M2X210 systems, it supports OEM/OEM-equivalent sourcing, bulk procurement, and consistent compatibility across mining, quarrying, and construction environments.

Product Specifications

Part Number	4294479 / 9151199, Motor Model M2X210
Part Name	Excavator Swing Reduction Gearbox & Rotary Slewing Drive Unit Swing Motor Assy
Compatible Brand	HITACHI
Applicable Models	EX300-3 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 Gear Reduction Torque

Ensures smooth and powerful swing rotation under heavy load conditions.

Precision Rotary Transmission Design

Matches 4294479 / 9151199 specifications for EX300-3 systems.

Heavy-Duty Mining Durability

Built for continuous impact, dust exposure, and long operating cycles.

Efficient Hydraulic Power Conversion

Improves swing efficiency and reduces mechanical energy loss.

FAQ

Q: What causes unstable swing movement in EX300-3 reduction gearbox systems?
A: It is commonly caused by gear wear, internal clearance increase, or unstable hydraulic pressure supply.

Q: What checks are required before installing a 4294479 swing gearbox assembly?
A: Verify mounting alignment, hydraulic cleanliness, sealing condition, and ensure system pressure stability.

Q: How can abnormal heat generation in a swing gearbox be diagnosed?
A: It is often related to insufficient lubrication, excessive load operation, or internal friction from worn components.

Q: What working conditions most affect the durability of M2X210 swing drive systems?
A: High dust exposure, continuous overload operation, poor oil filtration, and extreme temperature variations significantly reduce service life.

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 :

4294479

Swing Motor

M2X210 Swing Motor

EX300-3 Swing Motor

Swing Drive Motor

Excavator Slewing Motor

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Subject : RITO Excavator Swing Reduction Gearbox 4294479 EX300-3 M2X210 9151199 Rotary Motor Assembly Slewing Drive Unit Swing Motor Assy

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