Reliable swing performance is essential for PC220-7 excavators operating in construction, quarrying, and heavy earthmoving environments. When the swing system suffers from reduced torque, slow rotation, or unstable movement, a durable reducer assembly is needed to restore smooth operation. RITO Excavator Swing Reducer Assembly 112-32-11211 1123211211 PC220-7 Heavy Duty Spare Part Hydraulic Swing Gearbox Rotary Drive Unit provides efficient power reduction, stable torque transmission, and dependable rotary control for demanding excavator applications.
Item NO.:
112-32-11211Order(MOQ):
1pcsPayment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANShipping Port:
Huangpu,GuangzhouLead Time：
In StockEngineered as an OEM-equivalent replacement component, this hydraulic swing gearbox helps improve machine uptime by delivering consistent performance during continuous working cycles. It is suitable for excavator repair specialists, spare parts distributors, and fleet maintenance providers seeking a reliable solution for PC220-7 swing drive system replacement and long-term operation support.
| Part Number | 112-32-11211 / 1123211211 |
|---|---|
| Part Name | Excavator Swing Reducer Assembly Heavy Duty Spare Part Hydraulic Swing Gearbox Rotary Drive Unit |
| Compatible Brand | KOMATSU |
| Applicable Models | PC220-7 Medium & Heavy-Duty Construction Excavator |
| Application | Hydraulic drive system for excavator upper body slewing; widely applied in municipal engineering, road construction, quarry mining and bulk material stacking work |
| Material | High-strength forged alloy steel + medium-heavy 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 PC220-7 excavator for infrastructure and mining projects |
| Condition | 100% New, Aftermarket / OEM Equivalent Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |
Delivers stable torque output and smooth rotary movement for PC220-7 excavator upper structure operation.
Ensures efficient power transfer between hydraulic motor output and excavator upper structure rotation system.
Provides strong load capacity, reduced vibration, and reliable performance under demanding excavation conditions.
Matches 112-32-11211 / 1123211211 specifications for Komatsu PC220-7 hydraulic swing drive systems.
FAQ
Q: What performance improvements can a new swing reducer bring to a PC220-7 excavator?
A: A properly functioning reducer can improve swing smoothness, restore torque output, and provide more stable upper structure positioning during operation.
Q: How do operators know when the hydraulic swing gearbox requires inspection?
A: Increased swing noise, delayed rotation, abnormal vibration, or inconsistent movement are common indicators that the reducer system may need checking.
Q: Why do heavy-duty excavators require a durable planetary reduction unit?
A: Planetary gear systems provide compact structure, high torque capacity, and reliable power transmission for frequent heavy-load operations.
Q: What information should buyers provide when ordering this swing reducer assembly?
A: Providing the excavator model, part number, and current swing drive configuration helps ensure accurate matching and replacement.
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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