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RITO ZX280LC-3 Hydraulic Rotary Motor 9237578 9237577 Mining Excavator 4621174 Rotary Drive Slewing Device Assembly Swing Gear

RITO ZX280LC-3 Hydraulic Rotary Motor 9237578 9237577 Mining Excavator 4621174 Rotary Drive Slewing Device Assembly Swing Gear

Facing rotary instability, hydraulic power loss, or reduced slewing efficiency in ZX280LC-3 mining excavator fleets? For mining contractors, heavy equipment distributors, and maintenance specialists, a reliable hydraulic rotary motor is essential to maintain excavation productivity and reduce unexpected downtime. RITO ZX280LC-3 Hydraulic Rotary Motor 9237578 9237577 4621174 delivers stable torque output and efficient hydraulic-to-rotational conversion for smooth and dependable excavator swing operation in demanding mining and heavy construction environments.

Item NO.:
9237578
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 rotary motor assemblies, it provides consistent power transmission, stable rotary control, and reliable performance during continuous heavy-load excavation cycles. Designed for OEM/OEM-equivalent replacement supply, it supports bulk procurement and dependable compatibility across mining, quarrying, heavy construction, and large-scale earthmoving applications.

Product Specifications

Part Number	9237578 / 9237577 / 4621174
Part Name	Mining Excavator Hydraulic Rotary Motor Rotary Drive Slewing Device Assembly Swing Gear
Compatible Brand	HITACHI
Applicable Models	ZX280LC-3 Long-Track Medium Mining & Construction Excavator, compatible with ZX270-3, ZX270LC-3 series
Application	Hydraulic rotary drive for excavator upper structure slewing, applied to small open-pit mining, quarry rock excavation, municipal earthmoving and bulk material stacking & loading
Material	High-strength forged alloy steel + heavy-load wear-resistant bronze friction accessories
Product Color	Matte anti-rust industrial metallic gray
Working Temperature	-22℃ ~ +58℃
Key Function	Convert high hydraulic pressure into stable medium-heavy slewing torque to drive long-track medium excavator upper body rotation for mining and construction earthmoving projects
Condition	100% New, Aftermarket / OEM Quality
Packaging	Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

Key Features & Advantages

Integrated Motor & Gearbox Structure

Combines hydraulic swing motor and reduction gearbox for efficient power transmission and reliable slewing control.

High-Torque Swing Performance

Provides powerful and stable swing force for ZX280LC-3 mining excavator upper structure rotation and slewing operations.

Precision Gear Reduction System

Ensures smoother operation, reduced vibration, and dependable performance under heavy-duty working conditions.

OEM-Compatible Assembly Standard

Matches 9237578 / 9237577 / 4621174 specifications for ZX280LC-3 excavator hydraulic swing systems.

FAQ

Q: What are the common symptoms of a ZX280LC-3 hydraulic rotary motor problem?
A: Slow swing speed, unstable rotation, abnormal vibration, oil leakage, and reduced torque output may indicate internal motor or gearbox wear.

Q: What should be checked before installing a 9237578 rotary drive assembly?
A: Inspect hydraulic oil cleanliness, confirm system pressure, verify mounting accuracy, and check related hydraulic and swing system components before operation.

Q: How does a hydraulic rotary motor improve ZX280LC-3 mining excavator performance?
A: It converts hydraulic energy into controlled rotary movement, providing stable torque for smooth upper structure positioning and efficient heavy-duty excavation cycles.

Q: What factors can affect the service life of a ZX280LC-3 slewing device assembly?
A: Heavy mining workloads, hydraulic contamination, insufficient maintenance, and harsh operating conditions can accelerate component wear.

A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies

Related Tags :

9237578

Swing Motor

Hitachi Swing Motor

ZX280LC-3 Swing Motor

Swing Motor Assembly

Swing Device Assembly

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Subject : RITO ZX280LC-3 Hydraulic Rotary Motor 9237578 9237577 Mining Excavator 4621174 Rotary Drive Slewing Device Assembly Swing Gear

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