Facing swing instability, hydraulic pressure loss, or rotary drive wear in EX300-2 fleets? Wholesalers, mining contractors, and equipment maintenance teams need stable slewing systems to reduce downtime and maintain continuous production efficiency. RITO Excavator Upper Swing Drive 4294479 EX300-2 M2X210 delivers consistent torque output and precise hydraulic-to-rotational conversion for heavy-duty excavator swing operations.
Item NO.:
4294479Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time：
2-3 DAYS
| Part Number | 4294479, Motor Model M2X210 |
|---|---|
| Part Name | Excavator Upper Swing Drive & Slewing Rotary Motor Unit Assembly |
| Compatible Brand | HITACHI |
| Applicable Models | EX300-2 Excavator, M2X210 Slewing Rotary Motor |
| Application | Excavator upper body slewing rotary hydraulic drive system |
| Material | High-strength alloy steel + wear-resistant bronze friction accessories |
| Product Color | Matte anti-rust industrial metallic gray |
| Working Temperature | -22℃ to +58℃ |
| Key Function | Convert high-pressure hydraulic power into stable heavy slewing torque to drive excavator upper body rotation for large-scale earthmoving, road reconstruction and medium quarry excavation operations |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |
Ensures smooth and powerful rotation for EX300-2 excavation cycles.
Efficiently converts hydraulic pressure into stable rotary motion.
Matches 4294479 specifications for M2X210 systems.
Built for high-load, dust-heavy, and continuous working environments.
FAQ
Q: What are the main reasons for weak swing torque in EX300-2 upper swing drive systems?
A: Common causes include internal gear wear, hydraulic pressure drop, or contamination in the hydraulic oil system.
Q: What checks are necessary before installing a 4294479 swing drive unit?
A: Verify mounting alignment, hydraulic port sealing, system pressure stability, and ensure clean hydraulic fluid condition.
Q: How can abnormal noise in a swing reduction gearbox be diagnosed during operation?
A: It is often caused by bearing damage, gear pitting, or insufficient lubrication inside the gearbox.
Q: What working conditions most affect the durability of an M2X210 swing drive system?
A: Continuous overload operation, high dust environments, poor filtration, and extreme temperature fluctuations significantly reduce lifespan.
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
Optimize your Hitachi excavator's performance with this premium hydraulic joystick pilot control valve, precision-engineered for ZX350, ZX330, and ZX130LCN-3 models. It delivers smooth, accurate handling and rugged durability for demanding job sites.
View More
This RITO 9295140 4663831 Hydraulic Pump is a core power component for Hitachi ZAXIS75US-3 and ZAXIS85USB-3 excavators, responsible for converting mechanical energy into stable hydraulic pressure to drive the arm, bucket, and travel systems. It ensures smooth operation, consistent flow output, and reliable performance under demanding construction and mining conditions.
View More
This RITO 9285566 9285685 9290597 9290598 Hydraulic Pump is a core component for Hitachi ZAXIS120-3 excavators, responsible for converting mechanical energy into stable hydraulic pressure to power the arm, bucket, and travel systems. It ensures smooth operation, precise flow control, and reliable performance in construction and mining environments.
View More
This RITO 9262319 9262320 Hydraulic Pump is a core component for Hitachi ZAXIS200-3 excavators, responsible for converting mechanical energy into stable hydraulic pressure to power the arm, bucket, and travel systems. It ensures smooth operation, precise flow control, and reliable performance in construction and mining environments.
View More
This RITO 9257345 9257346 Hydraulic Pump is a core component for Hitachi ZAXIS270-3 excavators, responsible for converting mechanical energy into stable hydraulic pressure to drive the arm, bucket, and travel systems. It ensures smooth operation, precise flow control, and reliable performance in construction and mining environments.
View More
This RITO 9254122 4635645 9254123 0005271 Hydraulic Pump is a heavy-duty core component for Hitachi ZAXIS650LC-3 excavators, designed to convert mechanical energy into stable, high-pressure hydraulic output for demanding arm, bucket, and travel operations. It ensures smooth power transmission, precise flow regulation, and reliable performance in extreme mining and large-scale construction environments.
View More
This RITO 9197075 0003954 Hydraulic Pump is a heavy-duty core component for Hitachi ZAXIS600 excavators, engineered to convert mechanical energy into stable, high-pressure hydraulic output for arm, bucket, and travel operations. It ensures smooth power transmission, precise flow control, and reliable performance in demanding mining and large-scale construction environments.
View More
This RITO 9195239 9195237 Hydraulic Pump is a core component for Hitachi ZAXIS270 excavators, designed to convert mechanical energy into stable hydraulic pressure to power the arm, bucket, and travel systems. It ensures smooth operation, precise flow control, and reliable performance in construction and medium to heavy-duty working environments.
View MoreLeave A Message
Scan to wechat :
