Item NO.:
4729033Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time：
2-3 DAYSCorrect part selection and proper installation are the foundation of reliable excavator service. The 4729033 Hitachi Excavator Swing Drive Assembly serves Hitachi ZX250, ZX230, ZX240, ZX230-3 units, helping service teams, contractors and distributors reduce downtime with dependable hydraulic performance. Every unit from RITO is checked before shipment, with clear part identification and consistent supply for maintenance programmes.
| Part Number | 4729033 |
|---|---|
| Part Name | Hitachi Excavator Swing Drive Assembly |
| Compatible Brand | Hitachi |
| Applicable Models | ZX250, ZX230, ZX240, ZX230-3 Excavator |
| Application | Excavator upper structure slewing hydraulic drive system |
| Material | High-strength metal housing, precision hydraulic components, and hardened gear components |
| Product Color | black/Original equipment style color |
| Working Temperature | Designed for standard excavator hydraulic operating conditions |
| Key Function | Converts hydraulic energy into controlled rotary motion for excavator upper structure slewing operation |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |
Provides powerful and consistent rotary force for Hitachi ZX250, ZX230, ZX240, ZX230-3 upper structure slewing and swing operations.
Hardened planetary and output gear sets maintain accurate motion, smooth speed reduction and efficient torque transfer under continuous duty.
Designed for Hitachi ZX250, ZX230, ZX240, ZX230-3 slewing systems, with reference 4729033 for correct and quick replacement identification.
A dependable replacement option for repair workshops and distributors requiring stable swing drive assemblies.
FAQ
Q: What are the common symptoms of a failing 4729033 swing drive?
A: Frequent signs include slow or jerky slewing, the upper structure drifting after the control lever is centred, metallic grinding from the swing drive, and reduced rotary force when swinging a loaded bucket.
Q: What should be checked before installing the 4729033?
A: Check swing bearing condition, confirm mounting bolt alignment and gear backlash, verify hydraulic oil cleanliness, and inspect the swing motor coupling before installing the replacement assembly.
Q: Is this 4729033 a genuine OEM or aftermarket part?
A: This is a 100% new aftermarket assembly manufactured to OEM specifications. RITO HYDRAULIC is a listed factory and supplier to major Chinese excavator OEMs and Fortune 500 companies.
Q: How to confirm the 4729033 fits my excavator model?
A: Compare your original part number with 4729033. This swing drive fits Hitachi ZX250, ZX230, ZX240, ZX230-3 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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