Transporting oversized industrial equipment such as diesel generator sets from China to the United States requires a highly coordinated logistics solution. This article provides a detailed explanation of the end-to-end shipping process, covering inland transportation, container loading, export customs clearance, ocean freight, U.S. import clearance, and final delivery under a DDP (Delivered Duty Paid) arrangement.
1. Project Overview
In this case, the cargo consists of large diesel generator units manufactured in Dongguan, China, with the following specifications:
- Maximum length: approximately 5.5 meters
- Width: over 2 meters
- Weight per unit: around 7 tons
- HS Code: 85021310.00
Due to their heavy weight and oversized dimensions, these generators cannot be handled using standard loading and transportation methods. A customized logistics plan is required to ensure safe and efficient delivery.
2. Inland Transportation (Dongguan to Shenzhen Warehouse)
The process begins with cargo pickup from the factory in Dongguan:
- The shipper arranges a side-opening truck to transport the generator sets
- This type of vehicle allows forklifts to load and unload cargo directly from the side, which is essential for oversized machinery
- The cargo is then delivered to a Shenzhen warehouse near Shekou Port
Given the size of the cargo, it is usually not stored for long. Instead, it proceeds directly to container loading upon arrival.
3. Container Loading Operations
Because of the large dimensions and weight, special loading arrangements are required:
- Two heavy-duty forklifts are used simultaneously to handle each unit
- The forklifts operate in coordination to ensure balance and prevent tilting
- Cargo is carefully moved and positioned inside the container
Depending on the cargo size, the following container types may be used:
- Open Top Container (OT) – for top loading
- Flat Rack Container (FR) – for oversized cargo exceeding standard container limits
Key Considerations:
- Proper weight distribution inside the container
- Secure lashing and fastening to prevent movement during transit
- Ensuring no damage to both cargo and container structure
4. Export Customs Clearance in China
Once loading is completed, the shipment proceeds with export customs clearance at Shenzhen Shekou Port.
Required Documents:
- Commercial Invoice
- Packing List
- Sales Contract
- Customs Declaration Forms
After successful customs clearance, the container is released for ocean shipment.
5. Ocean Freight from Shenzhen to the United States
The cargo is shipped via ocean freight from Shekou Port using a stable carrier route (commonly referred to as an alliance shipping service).
Key Points:
- Transit time: approximately 20–35 days, depending on the destination port
- Common U.S. ports: Los Angeles, Long Beach, Houston, New York, etc.
- Freight includes handling of oversized cargo and special equipment if required
6. U.S. Import Clearance Requirements
EPA Certification (Critical Requirement)
Diesel generator sets are classified as fuel-powered machinery, which are strictly regulated in the United States.
EPA (Environmental Protection Agency) Certification is mandatory.
What is EPA?
The EPA is a U.S. government agency responsible for enforcing environmental regulations, including emission standards for engines and machinery.
Why is it Required?
- Ensures the generator meets U.S. emission standards
- Prevents environmental pollution
- Mandatory for customs clearance
⚠️ Important:
Without a valid EPA certificate, the shipment may be:
- Delayed
- Rejected
- Seized by customs
7. What is DDP (Delivered Duty Paid)?
DDP, also known as “Double Clearance with Duty Paid”, is a comprehensive logistics service.
Definition:
The logistics provider is responsible for:
- Export customs clearance in China
- Import customs clearance in the United States
- Payment of all duties and taxes
- Final delivery to the consignee’s address
Service Scope Breakdown:
1. Export Clearance (China)
Handling all export procedures and documentation
2. Import Clearance (USA)
Managing customs declaration and compliance with U.S. regulations
3. Duty & Tax Payment
All applicable import duties and taxes are prepaid by the logistics provider
4. Final Delivery
Arranging inland transportation from the U.S. port to the consignee’s location
👉 This ensures a hassle-free experience for the customer with no hidden costs.
8. Final Delivery in the United States
After customs clearance:
- The container is picked up from the port
- Transported by truck to the consignee’s address
- Delivered as a door-to-door service
Important Note for Consignees:
Since each unit weighs approximately 7 tons:
- The consignee must prepare:
- A forklift, or
- A crane
Without proper unloading equipment, delivery cannot be completed, and additional charges may apply.
9. Key Considerations for Oversized Cargo Shipping
1. Loading Safety
- Use professional equipment
- Ensure proper securing and lashing
2. Documentation Accuracy
- Correct HS code (85021310.00)
- Valid EPA certification
3. Delivery Preparation
- Confirm unloading capabilities at destination
- Ensure sufficient space for truck access
4. Cost Factors
- Oversized cargo surcharge
- Special container costs (OT/FR)
- Inland delivery fees
