

The 40 ft office container is widely used in construction sites, energy development, harbor command, etc. due to its large space, rapid deployment and good protection. Compared with the traditional construction method, this kind of modular office has the advantages of quick installation, environmental protection and reusability, which is one of the preferred choices for project management nowadays.
Comparison of YG 40 ft and 20 ft Office Box Configurations
20ft model | External Dimension | W6320 × L5900 × H2480 (Side 2270) |
Internal Dimension | W6160 × L5560 × H2240 (Side 2150) | |
Folded State | W2200 × L5900 × H2480 | |
Total Mass | 2500 kg | |
40ft model | External Dimension | W6240 × L11800 × H2480 (Side 2180) |
Internal Dimension | W6080 × L11540 × H2200 (Side 2060) | |
Folded State | W2200 × L11800 × H2480 | |
Total Mass | 4400 kg | |
Frame Material | Q235 galvanized steel square tube, fully welded structure, overall load > 3 tons | |
Wall Structure | Double-layer color steel plate with 75mm A-grade fireproof rock wool insulation | |
Floor Structure | Galvanized bottom beam + 15mm moisture-proof board + 2mm PVC wear-resistant floor | |
Electrical Configuration | Built-in LED lights, air switch, EU standard sockets, reserved holes for AC | |
Doors and Windows | Secure steel door, double-glazed glass windows with screens |
In comparison, YG’s 20 ft office container for sale is more compact in structural design and is suitable for temporary presence projects with limited space. It is more flexible in terms of transportation convenience and unit independence, while the 20 feet office container price is also more cost-effective for budget-constrained or short-cycle project needs.


Maintenance and Usage Recommendations
In actual use, in order to protect the long-term stable operation of 40 ft office container, it is recommended that users pay attention to the following points:
- keep the bottom of the box drainage smooth, to prevent water erosion of the steel frame;
- regularly check the circuit system, especially when used in bad weather conditions;
- Do not dismantle the load-bearing structure or change the interior wiring to ensure the safety of electricity;
- If you need to use multiple boxes together, it is recommended to have a professional construction team to locate and weld the boxes together to avoid structural safety hazards caused by loose combinations.
In addition, regular ventilation is recommended during the vacant period to prevent mold and mildew caused by the accumulation of moisture inside and to enhance the overall comfort.


Multi-Scenario Adaptation
Whether it’s an oil drilling project or a municipal road reconstruction or expansion project, YG’s 40 ft office container can quickly set up on-site command centers, conference rooms, data archives and other functional areas. Its mobility and modularity allow it to continue to be used even after a project changes sites, significantly reducing repeat construction costs.
Some customers feedback that compared with the locally leased mobile container office, YG’s products are not only more reliable in quality and more spacious in internal space, but also the overall shipping container office cost control is more reasonable, which provides a more cost-effective choice for long-term use.
40 ft Office Container for Sale in YG
As a manufacturer with more than ten years of modular building manufacturing experience, YG Machinery focuses on customized, industrialized and standardized container building solutions. Our products are exported to more than 50 countries in Europe, America, the Middle East, Africa, etc. Our services cover one-stop process of project design, production, assembly and export, which is trusted by overseas customers.
Besides 40 ft office container, we also recommend the following products for your reference: foldable container house, prefab container office, portable shower cabin, etc. Contact us to know more details! WhatsApp/WeChat/Phone/Skype】+86 13837115193.