Rear 3-Door Composite Truck Body
Rear 3-Door Composite Cargo Body with 3-panel full-opening doors. Its 3-door design offers optimal functionality, ideal for working in confined spaces. Our box bodies can be customized as refrigerated or dry cargo vehicles. Constructed using fiberglass foam composite material, aluminum alloy is also available. Perfect for transporting food, vegetables, and general cargo.
We offer over 20 kit options and support custom manufacturing.
The Most Professional 3-Door Truck Body Solutions
We provide the most professional 3-door truck body solutions. We overcome challenging technical issues and deliver the best solutions. Our rear 3-door full-opening design remains durable and robust under high-frequency use. It offers exceptional ease of operation. We customize rear 3-doors in different sizes. We use polystyrene or polyurethane foam for insulation. These provide outstanding thermal performance.
We provide complete vehicle manufacturing, including truck roofs, side panels, front panels, and floors. Even when shipped as fully disassembled kits, installation is remarkably straightforward. We specialize in serving truck manufacturers, conversion shops, and specialty vehicle producers.

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Rear 3 Full-Opening Door Structure
- Multi-layer construction
- Outer layer: High-strength composite material or aluminum alloy
- Middle layer: Filled with rigid insulating foam.
- Inner layer: Aluminum plate for structural reinforcement, ensuring door panel durability under high-frequency use.
- Suitable for dry cargo trucks and refrigerated trucks.

Composite truck body components include:
Rear 3-door composite truck body components include:
1. Roof panel: High-strength fiberglass composite or aluminum alloy, filled with polystyrene/polyurethane foam for thermal insulation, soundproofing, and lightweight durability.
2. Side panels: Corrosion-resistant fiberglass or aluminum alloy with a rigid foam core, balancing structural strength and thermal performance.
3. Front panel: Same material as side panels, reinforcing front protection while maintaining insulation and strength.
4. Floor: Non-slip aluminum alloy or composite material, wear-resistant and pressure-resistant, easy to clean, and suitable for heavy loads.
5. Rear three doors: full-opening triple panels, fiberglass/aluminum alloy outer layer, rigid foam middle layer, inner aluminum plate, durable for high-frequency use.
6. Frame: Aluminum alloy or steel construction enhances overall stability and supports heavy-duty transport.
7. Subframe: High-strength steel or aluminum alloy with a grid or box-type structure optimizes load distribution and chassis connection. Surface anti-corrosion treatment ensures long-term durability and supports multi-temperature zone customization.
Supports CKD/SKD delivery, lengths of 3-12 meters, customizable multi-temperature zones, suitable for food, produce, and general cargo transport.
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Customization
We provide 100% customization, making orders less difficult.