Facing swing instability, hydraulic response delay, or reduced rotary performance in ZX70 excavator fleets? For construction contractors, equipment distributors, and maintenance specialists, a reliable swing motor assembly is essential to maintain machine efficiency and reduce unexpected downtime. RITO 4429255 Swing Motor Assembly ZX70 MSF-27P delivers stable torque output and efficient hydraulic-to-rotational conversion for smooth and dependable excavator slewing performance.
Item NO.:
4429255Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSCompared with standard aftermarket swing motor assemblies, it provides consistent power transmission, stable rotary control, and reliable operation during continuous excavation cycles. Designed for OEM/OEM-equivalent replacement supply, it supports bulk procurement and dependable compatibility across construction, landscaping, utility, and earthmoving applications.

| Item | Parameter Details |
|---|---|
| Main Part Number | 4429255 |
| Cross OEM PN | 4445648 |
| Built-in Hydraulic Motor Model | MSF-27P |
| Full Product Name | Excavator Hydraulic Slewing Motor Rotary Drive Unit Swing Drive Motor Assembly |
| Compatible Brand | HITACHI |
| Applicable Excavator Model | ZX70 Mini Landscaping & Small Municipal Construction Excavator |
| Application | Upper carriage slewing hydraulic drive system for garden renovation, pipeline digging, small foundation excavation and light aggregate loading projects |
| Raw Material | High-strength precision alloy steel + lightweight wear-resistant bronze friction accessories |
| Surface Coating | Matte anti-rust industrial metallic gray coating |
| Operating Temperature Range | -22℃ ~ +58℃ |
| Core Function | Convert low-medium hydraulic pressure into stable light-medium slewing torque to rotate mini excavator upper body for urban small construction, landscaping and material handling |
| Product Condition | 100% New Aftermarket / OEM Replacement / Remanufactured Optional |
| Export Packaging | Light solid wooden mini-duty case / Reinforced industrial carton / Neutral packing / Customized mini excavator export package |

Provides smooth and reliable swing force for ZX70 excavator operations.

Converts hydraulic pressure into controlled slewing movement with reliable efficiency.

Designed for long-term operation in demanding construction and utility environments.

Matches 4429255 / MSF-27P / 4445648 specifications for ZX70 systems.

FAQ
A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies
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