40ft High Cube Container (Used)

excl. VAT · incl. VAT: €2,796.50

Why a 40ft used high cube container earns its keep

A 40ft used high cube container occupies exactly the same ground as an ordinary forty foot box, 12.192 m long and 2.438 m wide, but it stands 2.896 m tall on the outside instead of 2.591 m. Written down, roughly 30 cm of extra height sounds like a detail. On a working site it is often the one figure that decides the job: whether a pallet stacked to full height clears the roof, whether a part height deck can go in, and whether a lining, insulation and a ceiling can all be added and still leave a room a person can stand up in. The recorded volume says the same thing in a different currency: 76.3 m³ against 67.7 m³ for the standard unit. That is about 8.6 m³ more air, an increase of roughly one eighth, bought without any change to the footprint or the position of the corner castings.

The recorded figures side by side

Two useful things fall out of that table. First, tare and payload added together come to 30,480 kg in both columns, so the extra height is paid for in steel rather than in carrying capacity. The high cube carries 50 kg more tare and therefore 50 kg less payload. For almost every real load that difference is invisible, because a forty foot box of general cargo runs out of space long before it runs out of permitted weight. Second, no internal dimensions are recorded for this unit, so none are quoted here. If your plan depends on a clear height under the roof bows, on the clear door opening, or on the distance between the side lining panels, ask for those measurements on the specific unit being offered, and where the fit is tight ask for them to be taken with a tape on the box itself rather than copied from a type sheet.

Where the extra height actually goes

Racking and pallet stacks

Storage planning is arithmetic done upwards. A standard box usually swallows one pallet plus a modest second layer before the roof line stops you, and the top layer is often the one that gets crushed or refused. The additional height of a high cube frequently converts an awkward one and a half layer plan into a clean two layer plan, or a two layer plan into a two layer plan with real clearance for the forks to lift, tilt and withdraw. That clearance matters more than people expect, because a mast needs headroom to lift, tilt and withdraw. If you intend to stack to the roof, measure the closed mast height of the truck you will actually use.

The same logic applies to shelving. Adjustable pallet racking, longspan shelving and simple timber decking all come in fixed beam increments. Thirty centimetres is often exactly one extra beam level in light duty shelving, which turns three tiers into four along both side walls. Because the width and length do not change, that extra tier is pure gain: the same delivery cost, the same ground licence, the same footprint on the yard drawing, and materially more picking face.

Part height decks and mezzanines

Fitting a deck across part of the length is a common conversion, giving racked storage below and a bench, an office or light stock above. In a standard height box that idea usually dies on the arithmetic, because once you allow for the deck structure, the joists and a floor covering, neither level is comfortable. The high cube does not make the problem disappear, but it moves the numbers into a range where a low deck used for seated work or long term stock becomes realistic. Anything structural of that kind should be designed against the specific unit, since floor, roof and side panel condition all influence what can be hung or bolted.

Machinery, plant and single awkward loads

Tall single items are the other classic case. Pumps on skids, packaged compressors, tanks, drilling and mixing equipment, crated glass, palletised windows and stillages of profiles are frequently a few centimetres too tall for a standard box. When a load is close to the limit, remember that the roof line is not the binding constraint at the moment of loading, the door opening is. A box is loaded through its doors, and the door aperture is always shorter than the internal height because the door header and the top rail sit above it. Anything loaded on forks must clear the aperture with the item on the tines, which raises it further. If the item is close to the ceiling, plan for it to go in on a low profile skate, a low deck trolley or a set of rollers rather than on a forklift.

Conversions, lining and services

Once you start building inside the box, height disappears quickly. A typical fit out loses part of it to a raised or overlaid floor, part to battens and insulation on the ceiling, part to a ceiling board and part again to lighting, cable trays or a ventilation duct running along the roof line. Each is only a few centimetres, and together they can take the usable standing height of a standard container below what feels acceptable for a workshop, a drying room or a store with staff working inside it. Starting from a high cube gives the fit out somewhere to take that height from, and more freedom in where services run, so a duct or a lighting track can cross the ceiling rather than being pushed down a side wall where it fouls the racking.

Buying a 40ft used high cube container rather than a new one

Buying used is a trade of cosmetic condition for price. A box that has finished its shipping life is usually structurally sound and still wind and watertight, but it will carry surface rust, patch repairs, old operator paint, dents in the side panels and a floor marked by years of forklift traffic. None of that matters for most storage duty. It starts to matter when you intend to convert the unit, because a panel with heavy pitting is a poor substrate for insulation and a cladding, and because cutting openings into a corroded panel means dealing with the corrosion first.

What to inspect before you commit

• Roof: stand on something and look along it. Ponding, deep dents and repaired holes are the most common source of later leaks, and the roof is the hardest part to inspect after delivery.
• Floor: heavy duty flooring is listed as a build feature. Look for delamination, soft spots, lifted screws, oil soaking and any previous section replacement.
• Doors: hinges, cams, cam keepers, locking bars and the gasket. Open and close both leaves fully. Multi point door locking only works if the bars still align.
• Corner castings: reinforced corner castings are listed, so check all eight are undamaged and unwelded if the box will ever be lifted or stacked.
• Corrosion: distinguish surface bloom from perforation. Tap suspect areas and check the lower side rails and the door sill, where water and salt sit longest.
• Plates and markings: ask what documentation comes with the unit, including any CSC safety approval plate. A CSC plate records that the unit was approved for international transport and needs periodic examination, which is relevant if the box will be shipped again rather than used as static storage.

Corten steel and the build list

The listed construction is Corten steel, built to ISO 668 and described as wind and watertight, with lockable cargo doors and multi point door locking. Corten is a weathering steel: the alloy is designed so that the outer oxide layer becomes dense and adherent rather than flaking off, which slows further attack. That is why a used box can look rough and still be sound. It is not a licence to ignore corrosion, since the protection depends on the surface being able to dry out. Boxes that sit on damp ground, against a hedge, or with a tarpaulin trapping moisture against a panel corrode faster than boxes standing clear in moving air. ISO 668 is the standard that fixes the external dimensions and rating classification of freight containers, which is exactly why a high cube shares the 12.192 m by 2.438 m envelope and only differs in height.

Weight, ground bearing and stacking

All of the load is carried by the four corner castings, so the ground under those four points matters far more than the total area of the box. Concrete, sleepers, load spreading pads or purpose made feet keep the unit level and stop the frame twisting, and a twisted frame is the usual reason doors that worked in the yard will not close on site. Taller side panels also catch more wind on exposed ground.

When the standard height is the better answer

There are cases where the shorter box wins. If the unit must fit under a low canopy, through a yard gateway with a height restriction, inside an existing building, or under an overhead cable or a bridge on the delivery route, those constraints are absolute and the 30 cm becomes a liability rather than an asset. Delivery access is the point most often overlooked: the transport vehicle adds its own bed height, and a swing lift or a tilt bed needs clearance well above the box itself. If in doubt, walk the route before ordering. Where height access is not a constraint, the extra cubic capacity is usually worth having, and it is the reason the high cube has become the default choice for storage, workshops and conversions rather than a specialist item.

How much taller is a 40ft used high cube container than a standard 40ft box?

The recorded external height is 2.896 m against 2.591 m for the standard unit, a difference of about 30 cm. Length and width are identical at 12.192 m by 2.438 m, so the footprint on your yard and the road envelope do not change. The recorded volume rises from 67.7 cubic metres to 76.3 cubic metres.

Does the extra height reduce how much I can load?

Only marginally. Tare weight is 3,800 kg with a payload of 26,680 kg, against 3,750 kg and 26,730 kg for the standard unit. Both add up to the same 30,480 kg total. In other words you give up 50 kg of payload for 8.6 cubic metres of space, which matters only for very dense cargo that reaches the weight limit first.

What are the internal dimensions?

No internal dimensions are recorded for this unit, so none are quoted here. Internal figures vary slightly between builders and with any lining that has been fitted. If your load or your fit out depends on a clear height, a clear width or the door opening, ask for those measurements to be taken on the specific unit being offered before you commit.

Is a used unit still wind and watertight?

The build description lists wind and watertight construction in Corten steel, with lockable cargo doors and multi point door locking. A used box will show cosmetic wear, so inspect the roof for ponding and repairs, the door gaskets for damage and the lower side rails for corrosion. Ask about the current condition and any repairs on the individual unit rather than assuming.

What ground preparation does a 40ft container need?

All the load passes through the four corner castings, so what sits under those four points matters more than the total area. Concrete pads, sleepers, load spreading plates or purpose made feet keep the frame level. If the frame twists, the doors stop closing properly, and that is the most common complaint after a delivery onto soft or uneven ground.