Facing swing instability, hydraulic response delay, or reduced slewing efficiency in E320C, E320, or E321 excavator fleets? For construction contractors, equipment distributors, and maintenance specialists, a reliable swing motor assembly is essential to maintain excavation productivity and reduce unexpected downtime. RITO E320C Swing Motor 334-9968 3349968 E320 E321 Excavator Hydraulic Swing Drive Slewing Unit Assembly delivers stable torque output and efficient hydraulic-to-rotational conversion for smooth and dependable excavator swing operation in demanding construction and earthmoving environments.
Item NO.:
334-9968Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSCompared with standard aftermarket swing drive assemblies, it provides consistent power transmission, stable rotary control, and reliable performance during continuous heavy-load excavation cycles. Designed for OEM/OEM-equivalent replacement supply, it supports professional repair, maintenance, and bulk procurement requirements for Caterpillar E320C, E320, and E321 excavator applications.

| Part Number | 334-9968 / 3349968 |
|---|---|
| Part Name | E320C Swing Motor Excavator Hydraulic Swing Drive Slewing Unit Assembly |
| Compatible Brand | CATERPILLAR |
| Applicable Models | E320, E320C, E321 Medium Infrastructure & Quarry Excavator |
| Application | Excavator upper body slewing hydraulic drive system, applied to municipal engineering, road construction, landscaping excavation and aggregate stacking & loading works |
| Material | High-strength forged alloy steel + medium-heavy load wear-resistant bronze friction accessories |
| Product Color | Matte anti-rust industrial metallic gray |
| Working Temperature | -22℃ ~ +58℃ |
| Key Function | Convert high hydraulic pressure into stable medium slewing torque to drive E320 / E320C / E321 excavator upper body rotation for infrastructure and earthmoving projects |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |

Provides powerful and stable rotary force for E320C, E320, and E321 excavator upper structure rotation and swing operations.

Converts hydraulic pressure into controlled rotary movement for smooth and precise slewing operation.

Ensures reliable speed reduction, increased output torque, and stable power transmission under heavy-duty working conditions.

Matches 334-9968 / 3349968 specifications for E320C, E320, and E321 excavator hydraulic swing systems.

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