Our company only collects the necessary data and respects your privacy, in accordance with the General Law for the Protection of Personal Data 13.709/2018. By continuing, you confirm that you have read and accepted the Privacy Notice. Privacy Policy.

Medal Group

How to Choose the Right Shipping Container?

Choosing a Shipping Container is a practical decision, not just a question of price or nominal size. The right unit must fit the cargo, route, handling equipment, and intended service life. A mismatch can leave useful capacity stranded or make loading awkward. Small details matter.

UNCTAD’s Review of Maritime Transport 2024 reports that maritime transport carries over 80% of world trade by volume. That figure covers seaborne trade broadly; it does not mean every shipment moves in a container. Still, it shows why container selection deserves careful planning. A 20-foot unit may suit dense, compact cargo, while a 40-foot or high-cube model can offer more usable space for lighter or taller loads. Exact dimensions and payload limits vary, so check the manufacturer’s specifications and the container’s data plate.

Before choosing, compare internal dimensions, door opening, floor condition, seals, and visible corrosion. Confirm that forklifts, chassis, and storage areas can handle the unit. Newer containers may cost more; used ones can show wear that photographs miss. Not always. An inspection can reveal small problems before they become costly ones. Consider the full job: cargo protection, loading time, delivery access, and how long the container will remain in use. The best choice is rarely universal, and a low purchase price alone may not tell the whole story. This guide outlines the key checks, while leaving room for a useful reminder: specifications help, but the actual container still deserves a close look.

Table of Contents [Hide]

1 Identify the Container’s Intended Use

2 Choose the Right Container Type and Size

3 Assess Condition, Materials, and Weatherproofing

4 Check Transport, Site, and Regulatory Requirements

5 Compare Costs, Suppliers, and Delivery Options

Identify the Container’s Intended Use

Begin with the container’s intended job. Will it carry dry goods, chilled products, or equipment that needs frequent access? A standard Dry Container suits boxed cargo and general storage. Temperature-sensitive goods need a refrigerated unit, while items requiring airflow may need ventilation. UNCTAD’s Review of Maritime Transport 2024 reports that global container port throughput reached 858.9 million TEUs in 2023, up 2.4 percent from 2022. That scale shows how widely containers move, but it does not tell you which unit fits your cargo. Check the cargo’s dimensions, weight, loading method, and required environment.

Then consider how the container will be used at its destination. For storage, inspect the floor, door seals, and signs of water entry. For a work or site space, plan for access, insulation, and ventilation before choosing a unit. ISO 668:2020 specifies the classification, dimensions, and ratings of series 1 freight containers; compare a unit’s stated specifications with your handling equipment and site limits. Small details matter. A pallet may fit through the doors but leave too little room to turn or unload safely. I would not assume that a clean exterior means a sound interior. Ask for condition details, and remember that the right choice can still involve trade-offs between cost, access, and protection.

How to Choose the Right Shipping Container? — Identify the Container’s Intended Use

Typical internal capacity by container type. Choose dry containers for general cargo, high-cube containers for tall or bulky goods, and refrigerated containers for temperature-sensitive cargo.

Capacities are approximate typical values; actual internal dimensions and capacity vary by model. Check the container’s specifications and usable payload before booking.

Choose the Right Container Type and Size

Choosing a shipping container starts with what it must hold and how it will be used. A standard dry container suits most boxed goods and equipment. If you need extra vertical space for tall cargo, compare a high-cube model. For temperature-sensitive goods, a refrigerated unit may fit, but it needs a suitable power supply. The right type depends on the cargo, not just the price.

Size deserves careful attention. Check both external and internal measurements, including door width and height. A pallet may fit inside yet fail to pass through the doorway. Measure twice. Also consider weight limits, floor condition, and how goods will be loaded. A small gap around cargo can make securing it easier. It is tempting to choose the largest option, but unused space can add cost and complicate placement.

Think about delivery before settling on a size. A container that fits the inventory may not fit the driveway, loading area, or available lifting equipment. Measure the route and ground clearance, too. A common planning mistake is relying only on the listed dimensions; real usable space varies by container condition and design. I would revisit that assumption before ordering. Exact needs are sometimes hard to predict, so allow room for sensible changes without paying for space you do not need.

Assess Condition, Materials, and Weatherproofing

Start with the container’s condition, not just its price. Look along the corner posts and lower rails for deep rust, dents, or fresh paint covering repairs. Open both doors; they should swing without forcing, and the locking bars should move smoothly. Check the floor for soft spots, cracks, and chemical odors. A worn floor may need repair before cargo is loaded. Small clues matter.

Tips: Bring a flashlight and inspect the roof from inside on a bright day. Pinpoints of light can reveal holes. If practical, spray water around the door seals, then check for damp edges. Ask what repairs were made; records help, but they do not replace an inspection.

Most shipping containers use corrugated steel, but coatings and floor construction vary. Ask whether the steel has been repaired and whether the floor suits your intended use. For outdoor storage, inspect roof seams, door gaskets, and corner joints. A container that looks dry indoors may still leak during wind-driven rain. Check for water stains after rain, if possible. Weatherproofing does not guarantee perfect dryness: seals wear, and condensation can form inside. No inspection is perfect. I would allow time for a second look, even when the container seems ready.

Check Transport, Site, and Regulatory Requirements

Before choosing a shipping container, check how it will reach the site. A truck may need a wide turning area, firm ground, and overhead clearance. Measure gates, branches, wires, and the final unloading space. Check the container’s actual dimensions, too; sizes and door openings can vary. Small details matter. A tight entrance can turn delivery into an expensive delay.

The site needs more than a flat-looking patch of ground. Soft soil may settle under a loaded container, while poor drainage can leave water beneath the floor. Ask a qualified local professional what support the ground requires. Also consider how doors will swing and whether people can safely access them. It is easy to focus on storage capacity and miss everyday movement around the unit.

Check local planning, building, fire, and access requirements before ordering. Rules may depend on the container’s location, intended use, and length of placement. Ask the relevant local authority what approvals apply, and keep its guidance in writing. If you plan to cut openings, add insulation, or connect services, confirm requirements before making changes. Measure twice. I would still leave room for an unexpected site constraint; plans often look simpler on paper.

How to Choose the Right Shipping Container? - Check Transport, Site, and Regulatory Requirements

Use this checklist to compare container types and confirm that the unit can be transported, placed, and used safely at the destination.

Decision factor	Typical information or requirement	What to check before choosing
Container size and type	A standard dry container is commonly available in 20 ft and 40 ft lengths. A 40 ft high-cube container is about 30 cm (1 ft) taller than a standard-height container.	Compare the cargo dimensions, loading method, storage needs, and available site space. Consider a high-cube unit for taller cargo, while checking route height limits.
Approximate external dimensions	Typical ISO dry-container dimensions: 20 ft: 6.06 m long × 2.44 m wide × 2.59 m high; 40 ft: 12.19 m × 2.44 m × 2.59 m; 40 ft high cube: about 12.19 m × 2.44 m × 2.90 m.	Confirm the specific unit’s dimensions, including any fittings or attachments. Allow extra space for delivery equipment, door access, and maneuvering.
Internal space and door opening	Internal dimensions and door openings vary by container design and condition. Internal width is generally less than the external width, and door height may be less than internal height.	Measure the largest cargo item and its packaging. Verify the actual internal length, width, height, and door opening before booking or loading.
Gross weight and payload	Many standard containers have a maximum gross mass of up to 30,480 kg, but permitted payload depends on the container’s tare mass and its marked maximum gross mass.	Read the container’s safety approval plate and check cargo weight, packaging, and load distribution. Do not rely on a typical payload figure or exceed road, rail, or equipment limits.
Transport route and vehicle	Transport requirements depend on the container size, loaded weight, vehicle, route, and local rules. Road height, width, axle-load, and gross-weight limits vary by jurisdiction.	Have the carrier check bridges, tunnels, road restrictions, turning space, delivery hours, and any permits or escort requirements, especially for high-cube or overweight loads.
Delivery and lifting access	Delivery may require a suitable truck, clear approach, and lifting equipment such as a crane or reach stacker. Equipment capability and reach vary.	Confirm the lifting method, truck access, overhead clearance, ground-level unloading area, and required working space with the carrier before delivery.
Site ground and positioning	A container needs a stable, level support surface. Ground bearing capacity depends on the container load, support points, and site conditions.	Assess soil or pavement strength, drainage, slope, and settling risk. Prepare suitable supports and keep doors clear; seek site-specific engineering advice where loads or ground conditions warrant it.
Cargo handling and loading	Standard dry containers suit many general cargoes. Open-top, flat-rack, or other special equipment may be needed for cargo that is oversized or cannot be loaded through standard doors.	Check loading access, forklift or crane needs, cargo securing points, weight distribution, and whether the cargo dimensions fit the chosen equipment.
Temperature-sensitive cargo	Refrigerated containers require a power supply and operating conditions appropriate to the equipment and cargo. Setpoint range and electrical requirements depend on the unit.	Confirm the required temperature, ventilation, power connection, monitoring, and backup arrangements with the equipment provider and cargo specialist.
Dangerous goods	Dangerous goods transport is subject to applicable modal and national regulations, classification, packaging, marking, documentation, and stowage requirements.	Identify the goods and applicable rules before booking. Confirm that the container, carrier, route, and receiving site are suitable and that required documentation and handling controls are in place.
Permits and intended use	Temporary storage, permanent placement, conversion, or occupancy may be subject to local planning, building, fire, environmental, or workplace requirements.	Check with the relevant local authority and site owner before installation or modification. Requirements depend on location, duration, use, and site conditions.
Condition and suitability	Used containers can differ in corrosion, floor condition, door operation, weather tightness, and repair history. Cargo-specific hygiene or cleanliness needs may also apply.	Inspect the unit or request a condition report. Check doors, seals, roof, walls, floor, ventilation, and any required cleanliness or food-contact suitability.

Important: Dimensions and weight figures are typical reference values, not guarantees. Verify the actual container markings, equipment specifications, transport limits, and local requirements before purchase, booking, or placement.

Compare Costs, Suppliers, and Delivery Options

Compare the delivered price, not just the container’s advertised price. Ask suppliers to itemize the unit, inspection, modifications, transport, unloading, and taxes. A lower-priced used unit may have dents, worn door seals, or a floor that needs repair. Request recent photos and a written condition description. For storage, check that the doors close securely and the interior stays dry. Small details matter.

Delivery can change the total quickly. Confirm the truck type, crane or tilt-bed unloading, access width, ground firmness, and clearance from trees or overhead wires. Ask whether waiting time or a failed delivery attempt costs extra. The World Bank’s 2023 Logistics Performance Index assessed 139 economies across six areas, including infrastructure and timeliness. That is a useful reminder: a supplier’s location and local delivery network can matter as much as the quoted price.

UNCTAD’s Review of Maritime Transport 2024 reported 2.4% growth in maritime trade during 2023 and highlighted how route disruptions can affect shipping costs and schedules. For a container purchase, request a realistic delivery window and ask what could delay it. Compare at least three written quotes on the same size, condition, and delivery terms. One caveat: quotes may exclude site preparation or special access needs. I would check those before paying; it is easy to miss.

Choose a company Medal of
Group Medal