Small and medium excavators depend on smooth swing response, stable torque delivery, and reliable rotation control to maintain efficient operation on busy job sites. For EX70, EX70B, and EX60 excavator fleets, a durable swing reduction system helps prevent performance issues caused by gearbox wear, power loss, or delayed slewing movement. RITO EX70 EX70B EX60 Excavator Swing Gearbox Hydraulic Swing Reduction Drive Rotary Reducer Planetary Unit Assembly provides efficient hydraulic power transmission, stable torque output, and dependable planetary reduction performance for construction and earthmoving applications.
Item NO.:
EX70Order(MOQ):
1Payment:
T/T,WESTERN UNION,CHINESE BANK,PAYPALProduct Origin:
JAPANShipping Port:
Huangpu,GuangzhouLead Time：
In StockDesigned for excavator repair and replacement requirements, this hydraulic swing gearbox assembly delivers consistent rotary performance and reliable compatibility with Hitachi EX70 series machines. It is suitable for parts distributors, maintenance workshops, and equipment owners seeking an OEM-equivalent replacement solution that helps reduce downtime and maintain smooth swing operation during continuous working cycles.
| Part Number | EX70 |
|---|---|
| Part Name | EX70 EX70B EX60 Excavator Swing Gearbox Hydraulic Swing Reduction Drive Rotary Reducer Planetary Unit Assembly |
| Compatible Brand | HITACHI |
| Applicable Models | EX70, EX70B, EX60 Small & Medium Construction Excavator |
| Application | Hydraulic drive system for excavator upper body slewing; widely applied in municipal engineering, landscaping, pipeline construction and bulk material stacking work |
| Material | High-strength forged alloy steel + medium-load wear-resistant bronze friction parts |
| Product Color | Matte anti-rust industrial metallic gray |
| Working Temperature | -22℃ ~ +58℃ |
| Key Function | Convert hydraulic pressure into stable slewing torque to drive upper carriage rotation of EX70 / EX70B / EX60 excavator for urban construction and earthmoving projects |
| Condition | 100% New, Aftermarket / OEM Equivalent Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |
Provides effective speed reduction and increased torque output for smooth EX70 series excavator swing operation.
Converts hydraulic pressure into controlled rotary movement for smooth and precise swing operation.
Manufactured with high-strength alloy materials to withstand repeated loads and demanding working conditions.
Designed for EX70 / EX70B / EX60 excavator hydraulic swing drive systems with reliable aftermarket compatibility.
FAQ
Q: What operating problems may indicate damage to an EX70 swing gearbox?
A: Reduced swing speed, irregular rotation, abnormal mechanical sounds, and weak positioning control can be signs that the reduction unit requires inspection.
Q: Why is planetary gear technology widely used in excavator swing drives?
A: Planetary systems provide high torque capacity in a compact structure, helping excavators achieve stable rotation under frequent load changes.
Q: How can maintenance teams improve the working life of this swing reducer assembly?
A: Keeping hydraulic oil clean, checking lubrication conditions, and avoiding excessive impact loads can help reduce internal wear.
Q: Which customers usually purchase EX70 hydraulic swing gearbox replacement units?
A: Excavator repair shops, construction equipment suppliers, rental fleets, and machinery owners commonly require replacement swing drive components for maintenance projects.
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
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