When Hitachi ZX330 excavator machines begin showing signs of compromised slew accuracy, irregular upper-carriage rotation, and diminishing hydraulic output during high-duty-cycle operations, the root cause often traces back to an aging swing drive. The 9298829 replacement motor directly targets these performance shortfalls.
Item NO.:
9298829Order(MOQ):
1pcsPayment:
T/T, WESTERN UNION, CHINESE BANK, PAYPALProduct Origin:
JAPANShipping Port:
Huangpu,GuangzhouLead Time：
In StockConstructed to OEM-comparable quality standards as a straightforward bolt-in replacement unit, the 9298829 consistently provides steady high-torque slewing action, limits internal fluid loss, and extends operational lifespan between overhauls - empowering global component distributors.
| Part Number | 9298829 |
|---|---|
| Part Name | ZX330 Excavator Swing Gearbox Assembly |
| Compatible Brand | HITACHI |
| Applicable Models | ZX330, ZX330-3, ZX350 Excavator |
| Application | Excavator upper structure slewing hydraulic drive system |
| Material | High-strength forged alloy steel housing |
| Product Color | Matte industrial gray with anti-rust coating |
| Working Temperature | -25°C~+60°C |
| Key Function | Converts high-pressure hydraulic fluid into controlled rotary torque |
| Condition | 100% New Aftermarket OEM Quality |
| Packaging | Wooden Case Reinforced Carton Neutral Packing Customized Box |
Provides powerful and stable rotary force for ZX330, ZX330-3, ZX350 excavator upper structure rotation and swing operations.
Converts hydraulic pressure into controlled rotary movement for smooth and precise swing operation.
Provides stable speed reduction, increased torque output, and efficient power transmission under heavy-duty excavation conditions.
Matches 9298829 specifications for HITACHI ZX330 series excavator hydraulic swing systems.
FAQ
Q:How can I tell if my ZX330 excavator swing motor is failing?
A:Warning signs include sluggish or irregular slewing motion, the upper carriage drifting after the control lever returns to neutral, unusual metallic grinding from the rotary housing, hydraulic fluid weeping from shaft seals, and noticeable torque drop during loaded swing. Any combination typically points to internal wear.
Q:What pre-installation checks should I perform before fitting a new 9298829?
A:Verify hydraulic fluid cleanliness meets ISO 4406 18/16/13 minimum standards, cross-check that main relief pressure aligns with Hitachi factory specs, confirm the mounting face is flat and bolt holes are free of damage, and thoroughly purge the hydraulic circuit.
Q: Is this 9298829 a genuine OEM or aftermarket part?
A: This is a 100% new aftermarket assembly manufactured to OEM specifications. RITO HYDRAULIC is a listed supplier to major Chinese excavator OEMs and Fortune 500 companies.
Q: How to confirm the 9298829 fits my excavator model?
A: Cross-check your existing part number against 9298829. This assembly fits ZX330, ZX330-3, ZX350 excavators. Contact our technical team with your serial number for compatibility confirmation.
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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