A reliable swing system is essential for EX200 series excavators to maintain smooth upper structure rotation, accurate positioning, and efficient operation during demanding work cycles. When the swing mechanism experiences slow response, unstable movement, or reduced torque output, a durable reduction gearbox is required to restore performance. RITO EX200-1 EX200 EX200B Excavator Swing Reduction Gearbox 9083734 Hydraulic Swing Drive Reducer Unit Assembly delivers stable torque transmission, efficient hydraulic power conversion, and dependable rotary reduction performance for construction and heavy earthmoving applications.
Item NO.:
9083734Order(MOQ):
1Payment:
T/T,WESTERN UNION,CHINESE BANK,PAYPALProduct Origin:
JAPANShipping Port:
Huangpu,GuangzhouLead Time：
In StockDesigned as an OEM-equivalent replacement solution, this hydraulic swing drive reducer provides reliable compatibility and consistent power transfer for Hitachi EX200 series excavator systems. It supports repair companies, machinery distributors, and fleet maintenance teams with a durable replacement option that helps reduce equipment downtime and maintain stable swing operation in continuous-use environments.
| Part Number | 9083734 / 9083734 |
|---|---|
| Part Name | EX200-1 EX200 EX200B Excavator Swing Reduction Gearbox Hydraulic Swing Drive Reducer Unit Assembly |
| Compatible Brand | HITACHI |
| Applicable Models | EX200-1, EX200, EX200B Medium Construction Excavator |
| Application | Hydraulic drive system for excavator upper body slewing; widely applied in municipal engineering, road construction, quarry work 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 EX200-1 / EX200 / EX200B excavator 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 EX200 series excavator rotary operations.
Ensures effective power transfer from the hydraulic motor to the swing mechanism for precise upper structure movement.
Built with durable alloy materials to withstand repeated loads and long working cycles in construction environments.
Matches 9083734 specifications for EX200-1, EX200, and EX200B excavator hydraulic swing drive systems.
FAQ
Q: What signs indicate that an EX200 swing reduction gearbox needs attention?
A: Slow swing acceleration, uneven rotation, increased operating noise, and reduced holding force may indicate wear inside the reduction unit.
Q: How does the 9083734 reducer assembly support EX200 excavator performance?
A: It controls rotary speed while increasing output torque, helping the excavator achieve smoother and more stable upper structure movement.
Q: What information is needed to verify the correct replacement swing gearbox?
A: The excavator model, part number, machine serial information, and existing swing assembly details should be checked before ordering.
Q: Why do construction fleets choose complete swing reducer assemblies?
A: Complete assemblies can simplify replacement work, improve repair efficiency, and provide more reliable performance compared with replacing individual internal components.
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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