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RITO 2052427 Internal Ring Gear ZX850 ZX870 EX750 EX800 Excavator Final Drive Swing Device Reduction Gearbox Internal Gear

RITO 2052427 Internal Ring Gear ZX850 ZX870 EX750 EX800 Excavator Final Drive Swing Device Reduction Gearbox Internal Gear

Built for high-torque swing and travel systems, the 2052427 internal ring gear is a critical component in the final drive or swing reduction gearbox, ensuring precise torque transfer between planetary stages. It is widely used in large excavators operating in mining, quarry, and heavy infrastructure environments where continuous rotation stability is required.

Item NO.:
2052427
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

Wear or deformation in the internal ring gear can cause uneven gear meshing, abnormal swing noise, vibration, or reduced rotational accuracy, leading to costly gearbox failures and downtime for fleets and distributors. The 2052427 gear is designed for ZX850, ZX870, EX750, and EX800 excavators, delivering stable engagement with planetary gears, high load resistance, and reliable long-term transmission performance under extreme working conditions.

2052427 Internal Ring Gear

Product Specifications

Part Number	2052427
Part Name	Internal Ring Gear
Compatible Brand	Hitachi
Applicable Models	ZX850, ZX870, EX750, EX800
Application	Excavator
Material	Hardened Alloy Steel
Product Color	Steel Grey
Working Temperature	-35°C to 130°C
Key Function	Transfers torque within planetary gear system
Condition	100% New, Aftermarket / OEM Quality
Packaging	Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

Key Features & Advantages

Precision Gear Engagement Stability

Ensures smooth meshing with planetary gears for consistent swing or travel reduction output.

High Torque Load Resistance

Designed to withstand extreme rotational force in heavy-duty mining and excavation operations.

Optimized Gearbox Compatibility

Matches ZX850, ZX870, EX750, and EX800 final drive / swing reduction systems.

Reduced Gearbox Wear Risk

Helps minimize abnormal noise, backlash, and internal transmission vibration during long shifts.

Excavator Hydraulic Part

FAQ

Q: What are the symptoms of a worn internal ring gear?
A: Common issues include abnormal gearbox noise, irregular swing movement, gear slipping sensation, and increased vibration during rotation.

Q: What installation checks are required before assembly?
A: Inspect planetary gears, bearing clearance, gearbox housing wear, and ensure correct gear alignment before installation.

Q: Can this ring gear withstand mining and heavy-load conditions?
A: Yes. It is engineered for high-torque environments such as quarry excavation and continuous-duty earthmoving operations.

Q: Why is the internal ring gear important in the gearbox system?
A: It provides the fixed gear interface for planetary motion, enabling stable torque conversion and controlled output rotation.

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 :

2052427

ZX870 Internal Ring Gear

Swing Gearbox Internal Gear

Final Drive Ring Gear

Planetary Internal Gear

Swing Drive Gear

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Subject : RITO 2052427 Internal Ring Gear ZX850 ZX870 EX750 EX800 Excavator Final Drive Swing Device Reduction Gearbox Internal Gear

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