Excavators operating in construction, infrastructure, and heavy earthmoving projects require a reliable swing system to maintain smooth rotation, accurate positioning, and consistent productivity. For EC210 and EC210B excavator fleets, a durable swing gearbox is essential to handle frequent slewing operations and changing workloads. RITO SA7118-30100 EC210 EC210B Excavator Swing Gearbox Hydraulic Swing Reduction Drive Planetary Reducer Unit provides stable torque transmission, efficient hydraulic power reduction, and dependable rotary performance for continuous-duty excavator applications. The SA7118-30100 swing gearbox is commonly associated with Volvo EC210 series swing drive systems and related reducer applications.
Item NO.:
SA7118-30100Order(MOQ):
1pcsPayment:
T/T, WESTERN UNION, CHINESE BANK, PAYPALProduct Origin:
JAPANShipping Port:
Huangpu,GuangzhouLead Time：
In StockDesigned for professional excavator repair and replacement supply, this planetary swing reducer unit delivers reliable power transfer and accurate compatibility for Volvo medium excavator fleets. It is an OEM-equivalent replacement solution for equipment distributors, maintenance workshops, and fleet operators seeking durable swing components that help restore machine performance, reduce downtime, and maintain stable operation under demanding jobsite conditions.
| Part Number | SA7118‑30100 / SA7118‑30100 |
|---|---|
| Part Name | EC210 EC210B Excavator Swing Gearbox Hydraulic Swing Reduction Drive Planetary Reducer Unit |
| Compatible Brand | VOLVO |
| Applicable Models | EC210, EC210B Medium‑Heavy Duty Construction Excavator |
| Application | Hydraulic drive system for excavator upper body slewing; widely applied in municipal engineering, highway construction, quarry excavation 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 for infrastructure and earthmoving projects |
| Condition | 100% New, Aftermarket / OEM Equivalent Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |
Provides smooth speed reduction and strong torque output for stable EC210 series excavator swing operation.
Converts hydraulic motor power into controlled rotary movement for precise upper structure rotation.
Built with strong internal gear components to support repeated working loads and long service cycles.
Matches SA7118-30100 specifications for EC210 and EC210B excavator hydraulic swing drive systems.
FAQ
Q: What are the main causes of EC210 swing gearbox failure?
A: Long-term heavy-load operation, internal gear wear, insufficient lubrication, and hydraulic system contamination can contribute to reducer performance decline.
Q: How does the SA7118-30100 planetary reducer improve excavator swing efficiency?
A: It reduces hydraulic motor speed while increasing output torque, allowing smoother and more controlled upper structure rotation.
Q: What should customers verify before ordering an EC210 swing gearbox?
A: Buyers should confirm the excavator model, original part number, gearbox specifications, and installation requirements to ensure correct matching.
Q: Why do repair companies prefer complete swing reducer assemblies?
A: Complete units simplify replacement work, reduce installation time, and help restore reliable swing performance more efficiently.
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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