40ft Used High-Cube Flat-Rack Container

excl. VAT · incl. VAT: €3,570.00

Heavy lift duty: what a 40ft high cube flat rack container is rated to do

Rated capacity is the headline here. A 40ft high cube flat rack container is built around a maximum gross weight of 45,000 kg, and the deck under that rating is 1183.39 cm long by 234.70 cm wide, giving 29.43 m² of continuous loading surface. Net weight is 6,000 kg, so payload works out at 39,000 kg by subtraction. Those four numbers describe a specific job: long, heavy, rigid pieces that need to be supported over their whole length rather than balanced on a short deck. Turbine casings, machine beds, structural steel, mast sections, rail vehicles, large tanks and complete production lines all fall into that description.

The word rack rather than container is accurate. There is no roof, no side wall and no door, only a deck, two end structures and the corner castings that let a spreader, a chassis and a set of twist locks treat the unit as if it were a 40ft box. That interoperability is what makes the format economic: cargo that would otherwise need specialist trailers and abnormal load routing for its entire journey can instead ride standard equipment for the sea leg and much of the land leg.

Deck dimensions and the figures a quotation should carry

The high cube description refers to the end structure standing 265.51 cm above the deck and an external height of 289.61 cm, which gives taller cargo something to sit against and gives the securing crew higher points to work from. The 78.00 m³ envelope is a nominal volume for the space between deck and end walls, useful for a first sanity check on whether a piece is even in the right family of equipment. It is not a limit in the way a closed container volume is a limit, because a load on a rack is routinely allowed to exceed it once the out of gauge dimensions are declared.

The same 45,000 kg, a different job: 40ft against 20ft

Both this unit and the shorter rack carry the same recorded maximum gross weight of 45,000 kg, which surprises people. The difference sits in tare and in deck area, and it changes which piece belongs on which unit.

Read it this way. The short rack gives more payload, 42,700 kg against 39,000 kg, because it carries less steel of its own. The long rack gives more than double the deck area and spreads the same permitted total mass over roughly twice the length, so the load per metre of deck is far lower. A dense, compact mass such as a machine base or a stone block therefore suits the 20ft unit, while anything long enough to need continuous support, or heavy pieces that must be positioned side by side, belongs on the 40ft deck. Choosing on length alone, without looking at how the weight is distributed along that length, is the most common planning mistake.

Long span loads and where the bending happens

A long deck is a beam, and a beam deflects. When a single dense item sits in the middle of a 1183.39 cm deck, the frame carries the whole of that mass at its weakest point, and the resulting sag can lock a unit into a chassis or make it awkward to lift level. Practical planning avoids the situation rather than testing it.

• Place the heaviest items over or close to the end structures and the bolsters rather than at mid span, unless the load is genuinely distributed.
• Use long timber bearers or a steel spreader beam so a concentrated mass is transferred into several cross members at once.
• Keep the centre of gravity close to the middle in plan view and as low as the cargo shape allows, so the four corner castings share the lift evenly.
• Check that the piece itself is stiff enough to be supported at intervals; a flexible fabrication may need a cradle to stop it flexing in transit.
• Count dunnage, cradles, chains and shackles as part of the gross weight, not as an extra.

Securing itself happens in the open air with no walls to help. Lash to the frame and to the lashing points, use a mix of steep and shallow angles so the load is both held down and stopped from surging, and rely on friction from a clean deck and anti slip material rather than tension alone. Wheeled and tracked cargo needs chocks or welded stops in addition to lashings.

Deck condition, wear and honest repair

The deck is the part that has taken the punishment. On timber decked racks look for rot at the ends of boards, soft patches around fixings, sheared or missing bolts, and boards that have been replaced with something thinner than the original. On steel decked units look for buckling between cross members, corrosion in the pockets where water sits, and plate that has been patched over rather than cut out and renewed. Both types tell you a lot about how the previous operator worked: score marks and gouges from tracked machines are normal wear, but a punched hole under a small foot is evidence that a point load was never spread.

Repairs are not a reason to walk away, but unexplained repairs are. Ask what was done, when, and to what standard. Weld repairs near corner castings, at bolster ends or across a main side rail sit in the load path and deserve a closer look than a cosmetic patch on a deck board. Sight along both side rails for twist and along the deck for a dip in the middle. Check that the corner castings are undamaged at the openings, that the lashing rings are neither elongated nor torn, and that the end structures are square. Ask about the CSC safety approval plate as well: it records approval for international carriage and its examination dates, which matters if the rack will ship again and matters much less if it will spend its next life as a static platform.

Stacking, storing and moving empties

Empty racks are expensive to move because they are large and mostly air. Where the end structures fold, a set of empties can be collapsed and bundled so that several units travel in roughly the space of one, which is why collapsible racks dominate the hire fleet. Confirm for the specific unit whether the ends fold, because fixed end designs exist and behave quite differently in your yard. When stacking, remember that racks are designed to transfer load through the corner posts and castings, so units must be aligned and locked rather than simply set down on top of one another, and the stack must stand on ground that will not settle unevenly under the corner loads.

Static and site uses after the shipping life

A rack with a strong frame and a tired plate is still a very useful object. The deck makes a machinery base, a hardstanding for a tank or a genset, a fabrication table, a loading platform beside a dock, or a temporary bridge over soft ground for site traffic. Because the deck is rated for far more than most yard equipment, the limiting factor is usually the ground beneath it rather than the steel. In these roles you can accept an out of date CSC plate and cosmetic corrosion in exchange for a considerably lower price, provided the frame is straight and the cross members are sound.

Settling the details before you order a 40ft high cube flat rack container

• Confirm deck dimensions, external dimensions and the gross rating for the individual unit, not for the type.
• Establish whether the end structures fold and lock, and get that demonstrated in photographs.
• Ask for close photographs of the deck along a low angle, all four corner castings and any repaired area.
• Agree in writing whether the unit is sold as cargo worthy or for static use, and the CSC position.
• Plan the lift at your site: what will pick it up, from which side, and whether the standing area can take the corner loads.
• Have your securing plan ready before arrival, including bearers, mats, chains and any cradle the cargo needs.

How much can a 40ft high cube flat rack container carry?

The recorded maximum gross weight is 45,000 kg with a net weight of 6,000 kg, which leaves 39,000 kg of payload by subtraction. That allowance covers the cargo together with cradles, bearers, mats and securing gear. Road and rail limits along your route may cap the practical figure well below the rack rating, so confirm those before planning a load near the maximum.

How does it compare with a 20ft flat rack?

Both are recorded at 45,000 kg maximum gross weight, but the 40ft unit weighs 6,000 kg against 2,300 kg, so its payload is 39,000 kg rather than 42,700 kg. In exchange it offers 29.43 m2 of deck instead of 14.49 m2. Compact dense masses suit the short rack; long items needing continuous support suit the 40ft deck.

What are the deck dimensions?

The internal deck measures 1183.39 cm by 234.70 cm, giving 29.43 m2, with the end structures standing 265.51 cm above the deck. External dimensions are 1219.20 cm by 243.33 cm by 289.61 cm. The nominal volume envelope between deck and end walls is 78.00 m3, which is a useful first check rather than a hard limit for out of gauge loads.

What should I look at on the deck of a used rack?

Check for rot at board ends, soft areas around fixings and missing bolts on timber decks, and for buckling, water traps and patched plate on steel decks. A punched hole under a small footprint usually means a previous point load was never spread. Ask what repairs were done, when, and whether they were carried out to a recognised standard.

Can empty racks be stacked or folded?

Collapsible types fold their end structures flat so several empties bundle into roughly the footprint of one, which is why they dominate hire fleets. Fixed end designs also exist, so confirm which you are buying. When stacking, align and lock the units so load passes through the corner posts and castings, and make sure the ground will not settle unevenly.