For DH258, DH260, and DH280 excavators operating in construction, quarrying, and heavy earthmoving environments, a reliable swing gearbox is essential for maintaining smooth rotation, strong torque output, and stable machine productivity. Heavy-duty excavation requires a durable rotary reduction system that can handle repeated swing cycles, high loads, and demanding working conditions. RITO Swing Gearbox Assembly 2101-1025 DH258 DH260 DH280 Excavator Hydraulic Rotary Reducer Drive Unit provides efficient hydraulic power reduction, stable torque transmission, and dependable slewing performance for medium and heavy excavator applications. The 2101-1025 swing reduction gearbox is associated with Doosan DH258 and DX255-class excavator swing drive systems and uses planetary reduction components for rotary transmission.
Item NO.:
2101-1025Order(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 hydraulic rotary reducer drive unit delivers consistent power transfer and reliable compatibility for Doosan excavator fleets. It is an OEM-equivalent replacement solution for equipment distributors, maintenance workshops, and fleet operators who require durable swing components to reduce downtime, restore slewing efficiency, and maintain stable operation during continuous heavy-load cycles. The 2101-1025 gearbox assembly includes internal planetary gear components designed for reliable swing reduction performance.
| Part Number | 2101‑1025 / 2101‑1025 |
|---|---|
| Part Name | DH258 DH260 DH280 Excavator Swing Gearbox Assembly Hydraulic Rotary Reducer Drive Unit |
| Compatible Brand | DOOSAN |
| Applicable Models | DH258, DH260, DH280 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 + 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 stable rotary force and smooth speed reduction for DH258, DH260, and DH280 excavator swing operations.
Converts hydraulic motor power through the reduction gearbox to achieve controlled and precise swing movement.
Built with high-strength internal gear components to withstand vibration, impact loads, and long operating cycles in demanding environments.
Matches 2101-1025 specifications for Doosan DH258, DH260, and DH280 hydraulic swing drive systems.
FAQ
Q: What are the signs that a DH260 swing gearbox requires maintenance?
A: Reduced swing speed, weak rotation force, unusual gearbox noise, vibration, and unstable upper structure movement may indicate internal wear.
Q: How does the 2101-1025 rotary reducer improve excavator swing performance?
A: It reduces hydraulic motor speed while increasing torque output, allowing smoother and more powerful excavator rotation.
Q: What should buyers confirm before ordering this swing gearbox assembly?
A: Customers should verify the excavator model, original part number, gearbox configuration, mounting specifications, and operating conditions.
Q: Why choose a complete hydraulic swing reducer unit instead of individual gearbox parts?
A: A complete assembly simplifies replacement, reduces repair complexity, and helps restore reliable swing system 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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