The OTTO SG04E‑028A is a critical swing drive motor for the Hyundai HD450 excavator hydraulic system. It provides consistent power for upper structure rotation, ensuring responsive control, low noise, and long service life for heavy machinery operation.
Order(MOQ)::
1pcGoods Stock::
100Payment::
T/T, Western Union, L/C, Paypal, etcProduct Origin::
JapanShipping Port::
Huangpu, GuangzhouLead Time::
In StockPart No: :
SG04E-028AModel::
HD450Application::
EXCAVATOROTTO VOE11128781 Wiring Harness for Volvo EC460 Excavator Electrical Wiring Harness Heavy Machinery Electrical System Component
Technical Specifications
| Product Name | Swing Motor Assembly |
|---|---|
| Part Number | OTTO SG04E‑028A |
| Cross Reference | SG04E‑028A / OEM equivalent swing motors for Hyundai |
| Compatible Brand | Hyundai |
| Machine Type | Hydraulic Excavator |
| Suitable Model | Hyundai HD450 |
| Application | Swing Drive System |
| Motor Type | Swing Motor (Axial Piston Motor) |
| Structure | Fixed Displacement, High‑Torque Design |
| Material | High‑Strength Alloy Steel, Forged Components |
| Function | Provide power and torque for excavator upper structure rotation |
| Performance | High Efficiency, Stable Speed, Low Noise |
| Seal Type | High‑Pressure Hydraulic Seals, Anti‑Leakage |
| Condition | New Aftermarket Replacement Part |
| Installation | Direct OEM Fit, Plug‑and‑Play |
| Features | Anti‑Wear, Vibration Resistant, Long Service Life |
Key Product Advantages
Perfect Fit for Hyundai HD450:
The OTTO SG04E‑028A Swing Motor is precision‑engineered to match OEM specifications for Hyundai HD450 excavators, ensuring direct drop‑in installation without modification.
High Torque & Smooth Swing:
This advanced swing motor provides strong and stable slewing torque, enabling smooth, precise rotation of the excavator upper structure with excellent controllability.
Heavy‑Duty Durability:
Constructed with high‑strength alloy steel and premium hydraulic seals, it resists wear, high pressure, and vibration, effectively preventing oil leakage and extending service life.
Applications
Applicable Model: Hyundai R450
About Otto
Guangzhou Otto Engineering Machinery Equipment Co.,Ltd, is a leading manufacturer and distributor of earthmoving parts and equipment in Guangzhou, China. It consists of 3 sister companies, serving many well-known distributors at home and abroad. With more than 20 years of production and distribution experience, OTTO has cultivated an experienced engineer team and a professional sales team, which can ensure the highest service with the highest quality, competitive price and prompt delivery. At the same time, it also supplies parts to the Chinese market, and many Chinese trading companies order from our company.
Come with us, the best service, the best price, the best supplier you can enjoy !
Our Advantages
1.TECHNICAL SERVICE
We provide modification technology service, the product has been tested modifed, the engine can be directly installed and used.
2.CERTIFICATE
With Export certificate License.Double confirmation before shipping, if we sent the wroncparts we will send corect one.
3.SERVICE TEAM
With professional after-sale team, will help you to trace the goods. And our engineers will assist with any installation issues.
4.TECHNICAL SERVICE
Free Sample is acceptable.We serves manywell-known Hitachi Komatsu Caterpillar Kobelco in your country.

Access our comprehensive Excavator Parts Book covering 50,000+ validated OEM references for Komatsu, CAT, Hitachi, Volvo, and Doosan machinery – cross-search by part number (e.g., Komatsu 111-10-11310), machine model (CAT 320D/EX200-5), or component type (hydraulic pumps, track links, engine rebuild kits) with real-time 3D diagram support. Engineered for zero-mismatch fitment across critical assemblies including Isuzu 6BG1T/Cummins QSB6.7 power systems, ISO-certified undercarriages, and Komatsu HMB-series hydraulic valves, all backed by 24/7 technical interpretation and downloadable PDF catalogs with MOQ/pricing.
At OTTO, we specialize in excavator machinery parts with a global clientele. Our superior products have garnered acclaim worldwide for their quality, durability, and precision engineering. Customers praise our extensive range of parts, from travel reduction gearboxes to hydraulic components, ensuring optimal performance. With a commitment to excellence, we offer top-notch warranties, secure shipping options, and efficient delivery times. Join our satisfied customers worldwide who rely on OTTO for top-tier excavator parts and exceptional service.
FAQ
(2) Small order:DHL,TNT,UPS,FEDEX,EMS,ARAMEX.
Q4:What's the terms of the transaction?
A:EXW,FCA,FAS,FOB, C&F,CIF,CPT,CIP,DAF,DES,DDP.
Q5:How about the lead time?
A:(1) ln stock: 1-3 days.Always in 24 hours.
(2) Out of stock: lt's according to your quantity, and we have cooperated with factory,We will let you know when we quote.
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