Description
Product Overview
The 306-8368 Frame External Wiring Harness for CAT 320D Excavator is a high-quality electrical replacement component designed for Caterpillar 320D construction machinery equipped with the C6.6 engine.
This external frame harness plays an important role in connecting electrical components installed on the excavator frame, ensuring stable power transmission and reliable communication between machine systems. A damaged or aged wiring harness may cause electrical failures, signal interruptions, or machine downtime. Replacing it with a reliable harness helps restore normal equipment operation.
Hongtengda specializes in supplying construction machinery electrical parts, engine components, hydraulic parts, and excavator replacement solutions for global repair shops, distributors, and equipment service providers.
1. Key Features & Advantages
● Designed for CAT 320D Excavator
The 306-8368 frame external wiring harness is specifically developed for Caterpillar CAT 320D excavators, providing accurate compatibility and reliable installation.
● Compatible with C6.6 Engine System
Designed for Caterpillar C6.6 engine applications, ensuring proper electrical connection and stable signal transmission between machine components.
● Reliable Electrical Performance
Manufactured with quality wiring materials and connectors, offering:
- Stable current transmission
- Reliable signal communication
- Good vibration resistance
- Strong environmental adaptability
Suitable for demanding construction and heavy equipment environments.
● Original Quality Replacement
Provided as an original genuine product, offering excellent matching performance and reducing installation issues caused by incorrect specifications.
● Reduce Equipment Downtime
A damaged wiring harness can affect machine operation. Replacing worn or broken harnesses helps:
- Restore electrical functions
- Improve equipment reliability
- Reduce unexpected downtime
- Increase maintenance efficiency
● Professional Inspection Before Shipment
Before shipping, Hongtengda checks product condition and provides detailed pictures for buyer confirmation to ensure correct delivery.
2. Technical Specifications
| Item | Specification |
|---|---|
| Product Name | Frame External Wiring Harness |
| Part Number | 306-8368 |
| Applicable Model | CAT 320D |
| Engine Model | C6.6 |
| Product Category | Electrical Parts |
| Product Type | External Frame Harness |
| Brand Name | HTD |
| Condition | Genuine Original Part |
| Place of Origin | Other |
| MOQ | 1 Piece |
| Supply Capacity | 300 Pieces / Month |
| Warranty Period | 3-6 Months (According to Product Details) |
| Packaging Details | Wooden Case Packaging or Customized Packaging |
| Payment Methods | L/C, T/T, XTransfer, PayPal, Western Union |
| Delivery Time | 5-8 Working Days (Depending on Order Situation) |
| Shipping Methods | Sea Freight / Air Freight / DHL / FedEx / TNT / EMS |
| Quality Guarantee | Product Inspection + Detailed Photos Confirmation |
3. Application Fields
The CAT 320D Frame External Wiring Harness is widely used in:
Construction Machinery Maintenance
Suitable for:
- Excavator repair
- Heavy equipment maintenance
- Construction machinery servicing
- Fleet equipment management
Mining & Engineering Projects
Applied in:
- Mining operations
- Quarry applications
- Large-scale earthmoving projects
- Heavy-duty construction sites
Machinery Repair Industry
Ideal for:
- Excavator repair shops
- Caterpillar equipment service providers
- Spare parts distributors
- Engineering machinery dealers
Equipment Rental Companies
Provides a reliable replacement solution to maintain rental fleets and reduce machine downtime.
4. Why Choose Hongtengda?
25+ Years Construction Machinery Parts Experience
Guangzhou Hongtengda Engineering Machinery Co., Ltd. is a professional supplier of excavator and heavy machinery parts with more than 25 years of industry experience.
We provide customers worldwide with reliable replacement solutions covering:
- Electrical components
- Engine parts
- Hydraulic components
- Hydraulic cylinder parts
- Excavator structural parts
- Maintenance accessories
Professional Product Verification
To ensure customers receive the correct components, we provide:
✓ Part number confirmation
✓ Product condition inspection
✓ Detailed product photos before shipment
✓ Professional packaging protection
This helps customers avoid incorrect orders and improve purchasing efficiency.
Global Supply Capability
Hongtengda supports:
- Individual repair orders
- Wholesale purchasing
- Distributor cooperation
- Long-term supply partnerships
With flexible transportation options, products can be delivered worldwide through sea freight, air freight, or international express.
5. Product Quality Assurance
Quality control is an important part of Hongtengda’s service.
Before shipment, each wiring harness is inspected for:
- Product appearance
- Part number accuracy
- Connector condition
- Wiring integrity
- Packaging safety
We provide detailed product images before shipment, allowing customers to confirm the product condition before delivery.










