Facing swing instability, hydraulic response delay, or reduced slewing efficiency in E329D, E330, or E335 excavator fleets? For construction contractors, mining companies, equipment distributors, and maintenance specialists, a reliable swing motor planetary drive is essential to maintain excavation productivity and reduce unexpected downtime. RITO 179-9775 1799775 E329D E330 E335 Excavator Swing Motor Planetary Drive Hydraulic Slewing Assembly Unit delivers stable torque output and efficient hydraulic-to-rotational conversion for smooth and dependable excavator swing operation in demanding heavy-duty working environments.
Item NO.:
179-9775Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time：
2-3 DAYSCompared with standard aftermarket swing motor assemblies, it provides reliable planetary gear transmission, stable rotary control, and consistent 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 E329D, E330, and E335 excavator applications across mining, quarrying, construction, and large-scale earthmoving projects.
| Part Number | 179-9775 / 1799775 |
|---|---|
| Part Name | Excavator Swing Motor Planetary Drive Hydraulic Slewing Assembly Unit |
| Compatible Brand | CATERPILLAR |
| Applicable Models | E329D, E330, E335 Medium & Heavy-Duty Quarry & Infrastructure Excavator |
| Application | Excavator upper body slewing hydraulic drive system, applied to municipal engineering, road construction, quarry excavation and bulk 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 E329D / E330 / E335 excavator upper body rotation for infrastructure and quarry construction projects |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |
Provides powerful and stable rotary force for E329D, E330, and E335 excavator upper structure rotation and swing operations.
Converts hydraulic pressure into controlled rotary movement for smooth and precise slewing operation.
Built with high-strength materials for reliable operation under demanding construction and earthmoving conditions.
Matches 179-9775 / 1799775 specifications for E329D, E330, and E335 excavator hydraulic swing systems.
FAQ
A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies
RITO Excavator Stick Cylinder is built for ZX120, ZX200, ZX210, EX200-1, and 320CLZBYG. For distributors and agents: high interchangeability reduces inventory complexity. Mining customers benefit from reinforced sealing and shock resistance, lowering downtime and maintenance costs.
View More
This RITO 527-0741 527-0742 Hydraulic Pump Coupling Hub is a key transmission component for Caterpillar CAT 336GC and 336D excavators, designed to connect the engine and hydraulic pump with stable torque transfer. Featuring a 15-tooth flange structure, it ensures precise alignment, smooth power delivery, and reliable operation in demanding construction environments.
View More
This RITO 124-1607-OT Hydraulic Oil Cooler is a key cooling component for Caterpillar CAT 320C, 320D, 325D, and 330D excavators, designed to effectively dissipate heat from hydraulic oil and maintain optimal system temperature. It ensures stable oil viscosity, protects internal components, and supports reliable operation in demanding construction environments.
View More
This RITO 234-4440 Swivel Joint (Rotary Union) is a critical hydraulic component for Caterpillar CAT 336D, 325D, and 330D excavators, designed to transfer hydraulic oil between the upper structure and undercarriage during continuous rotation. It ensures stable oil flow to travel motors, maintaining smooth operation and reliable performance in construction environments.
View More
Hydraulic lag and erratic pressure in CAT excavators often signal a failing proportional valve, causing costly site delays. The 585-9230 eliminates these inefficiencies. Precision-engineered for mining and heavy construction, it prevents system overheating and jerky boom movements.
View More
Hydraulic lag and erratic pressure in CAT excavators often signal a failing proportional valve, causing costly site delays. The 585-9230 eliminates these inefficiencies. Precision-engineered for mining and heavy construction, it prevents system overheating and jerky boom movements.
View More
The RITO Excavator Coil Spring 179-6916-Y is designed for heavy-duty applications in CAT excavators, offering reliable and long-lasting performance in demanding work environments. This high-quality spring ensures consistent and efficient load-bearing capability, reducing wear and tear on critical excavator components. The 179-6916-Y is essential for maintaining optimal machine performance in industries such as construction and mining. By minimizing downtime and maintenance costs, this coil spring enhances productivity and contributes to the long-term durability of your fleet. Designed for seamless compatibility with various CAT excavator models, it provides an ideal replacement solution for wholesale distributors and agents.
View More
Unstable fan speeds and hydraulic overheating often stem from inefficient pump pressure. In grueling mining sites, a failing fan pump leads to engine derating and massive downtime. The 291-0061 solves these thermal inconsistencies, preventing the costly "cascading failures" that plague heavy excavator fleets.
View MoreLeave A Message
Scan to wechat :
