Refrigerated Semi Trailer 45ft for High-Capacity Cold Chain Logistics
45ft refrigerated trailer designed for maximum cargo capacity and long-haul temperature-controlled transportation.
45ft Refrigerated Semi Trailer Detailed Description
The 45ft Refrigerated Semi-Trailer is the premier choice for large-scale cold chain operations, offering an extended cargo volume that maximizes transport efficiency. Engineered for the rigorous demands of long-haul logistics, this "Mega-Volume" reefer combines superior insulation technology with high-capacity structural design, ensuring that temperature-sensitive cargo—from frozen proteins to life-saving vaccines—remains stable across thousands of miles.
Explore our full range of reefer trailer solutions designed for quality and efficiency.
45ft Refrigerated Semi Trailer Specification
| Inside dimension | 13425×2330×3000mm(Size is according to customers requirements) |
| Overall dimension | 13600*2500*4000mm |
| Front wall | 100mm Outer: precoated white aluminum plate,Inner:Food grade thermoplastic board |
| Side plate | 75mm Outer: precoated white aluminum plate,Inner:Food grade thermoplastic board |
| Roof | 80mm Outer: precoated white aluminum plate,Inner:Food grade thermoplastic board |
| Floor | 64mm Outer: precoated white aluminum plate,Inner:Food grade thermoplastic board |
| Door plank | 76mm Outer: precoated white aluminum plate,Inner:Food grade thermoplastic board |
| Wear plate | Aluminum profile wear plate is about 280mm high |
| Side panel air guide | The inner side panel is provided with a submerged vertical air guide slot |
| Floor form | Reinforced air guide aluminum alloy floor, with ventilation holes on floors on both sides (Castle Floor) |
| Bottom beam | High strength I-beam |
| Floor stiffener | compound material |
| Rear door | Opposite door,Aluminum alloy profile hinge |
| Water leakage device | Two sets at the front and rear, with rubber nozzles |
| Lower frame | Frame frame with girder |
| Traction pin | 50# |
| Land gear | Jost 28T |
| Suspension | Three axis mechanical suspension |
| Axle | BPW 13T axle |
| Tyre | Chaoyang brand 12 tubeless vacuum tires |
| Rim | 12 sets of carbon steel rims |
| lamps | 24V LED lamps |
| Interior ceiling lamp | One in front, one in the middle and one in the rear of three LED interior ceiling lamps |
| Spare wheel carrier | 2 sets |
| spare tire | 1 sets |
| Refrigerator model and accessories | Carrier 7300 |
| --Factory supplied and installed top air duct | |
| --The factory provides and installs aluminum profile front wall waterproof wall (front wall waterproof wall drilling) | |
| --The factory provides and installs the refrigerator protection brace |
Technical Advantages & Engineering Excellence
1. Maximized Payload Efficiency
-
Extended Cargo Volume: The 45ft configuration provides a significant increase in pallet capacity compared to standard 40ft units, effectively lowering the fuel and labor cost per unit of cargo.
-
Heavy-Duty Chassis: Built by an experienced semi trailer manufacturer, the frame is reinforced to handle the high density of frozen freight while maintaining highway stability.
-
Reinforced Floor Systems: High-strength T-channel aluminum floors are designed for heavy forklift traffic and optimal air return, supporting a high-load environment without structural fatigue.
2. Thermal Precision & Airflow Dynamics
-
Uniform Temperature Distribution: Integrated airflow channels and ceiling chutes prevent "hot spots," ensuring consistent cooling from the front bulkhead to the rear doors.
-
High-Performance Insulation: Utilizing high-density polyurethane foam and seamless fiberglass or metal skins, our trailers achieve industry-leading K-values for thermal retention.
-
Multi-Zone Versatility: Optional internal bulkheads allow for independent temperature zones, enabling the simultaneous transport of frozen and chilled goods in a single trip.
Strategic Applications
| Sector | Primary Cargo | Logistic Advantage |
| Large-Scale FMCG | Frozen foods, seafood, and dairy | Economy of Scale: Move more volume with fewer vehicle cycles. |
| Pharmaceuticals | Vaccines and clinical biologicals | Reliability: Strict 2°C to 8°C maintenance for sensitive loads. |
| Global Distribution | Cross-border and interstate logistics | Durability: Optimized for continuous, long-distance operation. |
| Retail Logistics | Supermarket and central warehouse supply | Efficiency: Rapid turnaround with high-capacity pallet loading. |
Customization & Modular Configurations
We tailor every 45ft reefer to the specific operational environment of our clients:
-
Insulation Upgrades: Enhanced wall thickness for extreme desert or tropical climates.
-
Running Gear: Selection of premium axles (FUWA/BPW) and air suspension for sensitive cargo protection.
-
Security & Sealing: Advanced door-locking mechanisms and high-grade gaskets to prevent thermal leakage.
-
Power Systems: Compatibility with all major refrigeration units (Carrier, Thermo King) and electric-standby options.
Why Choose Shandong Global Diamond?
As a specialized manufacturer, Shandong Global Diamond Automobile Technology Co., Ltd. brings precision and scalability to the global cold chain market.
-
Advanced Manufacturing: Our 400,000 m² production base utilizes robotic welding and CNC precision for flawless structural integrity.
-
Global Cold Chain Expertise: We possess a proven track record in meeting international road standards and food safety regulations (FSMA/ADR).
-
Comprehensive Testing: Every unit undergoes rigorous temperature retention verification and structural fatigue simulation before export.
From pre-sales technical consultation to global delivery coordination and long-term spare parts supply, we are dedicated to the sustained performance of your fleet.
Contact Our Cold Chain Specialists for Technical Blueprints and Factory Quotes.


