40ft High Cube Shipping Container

40ft High Cube Shipping Container: Technical Specification & Procurement Guide

Product Overview & Core Specifications

The 40ft High Cube Dry Container provides an external height of 9 ft 6 in (2,896 mm), offering approximately 1 ft (30 cm) of additional vertical clearance compared to standard 40-foot units while maintaining the standard ISO footprint (40 ft x 8 ft). It is engineered for high-volume or height-sensitive cargo, industrial storage, and structural modification projects.

Specification Item	Metric / Imperial Value
Container Type	40ft High Cube Dry Van (ISO Intermodal)
External Dimensions	12,192 mm x 2,438 mm x 2,896 mm (40' L x 8' W x 9'6'' H)
Internal Dimensions	Approx. 12,030 mm x 2,350 mm x 2,690 mm
Door Opening	Approx. 2,340 mm W x 2,585 mm H
Cubic Capacity	Approx. 76.2 m^3 (2,694 cu ft)
Tare Weight	Approx. 3,900 kg - 4,200 kg (varies by manufacturer/build)
Maximum Gross Weight	30,480 kg (Standard ISO rating)
Floor Construction	28mm marine-grade structural plywood over C-channel steel cross members
Corner Castings	ISO 1161 compliant top and bottom corner fittings
Condition Grades	New (One-Trip), Cargo-Worthy (CW), Wind & Watertight (WWT), As-Is
Regulatory Compliance	CSC (Convention for Safe Containers) plated, ISO, TIR, ABS/BV/LR classification options

40ft High Cube Double Door Container

The 40ft High Cube Double Door Container features full-access cargo doors welded at both ends, combining the 9.6ft internal height of a High Cube unit with dual-end loading capability. This

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40ft High Cube Side Opening Container

The 40ft High Cube Side Opening Container is engineered for handling cargo that exceeds standard end-door clearance limits. Featuring full-length side access doors alongside standard rear end doors,

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Used 40ft High Cube Shipping Container

A used 40-foot High Cube (40HC) container provides an extra foot of vertical clearance compared to standard dry vans, making it the industry standard for high-volume logistics and industrial

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New 40ft High Cube Shipping Container

Engineered to ISO 6346 and ISO 1496 standards, the 40ft High Cube Container provides an extra 12 inches of vertical clearance compared to standard dry vans. Built for continuous intermodal logistics

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40ft High Cube Dry Cargo Container

Engineered specifically for high-cube, low-density cargo and modular industrial conversions, the 40ft High Cube (40'HC) dry cargo container provides an additional 30 cm (12 inches) of vertical

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40ft High Cube Standard Shipping Container

Engineered in strict compliance with ISO 668, ISO 1496-1, and ISO 6346 standards, this 40ft High Cube (40'HC) dry van container provides an internal clearance height of 2,698 mm (8ft 10in)—offering

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Dimensional Tolerances & Critical Interfaces

Procurement teams must evaluate exact structural interfaces-particularly when deploying units for automated handling, terminal transfer, or tight-tolerance site placements.

Height Clearance:

The overall external height of 2,896 mm requires verified clearance checks for over-the-road transport, low-clearance facility gates, and gantry crane interfaces.

Door Header Clearance:

While internal height reaches 2,690 mm, the rear door frame opening height is restricted to approximately 2,585 mm. High-profile cargo exceeding this limit cannot be loaded via the rear doors without specialized loading methods (e.g., side-loading open-tops or flat racks).

Floor Load Limits:

Standard marine plywood floors are rated for forklift axle loads (typically tested up to 7,260 kg per set of wheel loads over a contact area of 142 mm x 142 mm). Heavy industrial machinery requires point-load distribution framing to prevent sub-floor cross-member deformation.

Condition Classifications & Inspection Standards

Container pricing and operational viability depend strictly on structural condition grading.

One-Trip (New Build):

Factory-fresh units shipped with a single cargo load from manufacturing plants. Features intact CORTEN steel panels, zero structural corrosion, fully operational lock rods, and valid CSC safety plates with a 5-year re-inspection window.

Cargo-Worthy (CW):

Used units certified by a qualified surveyor for international intermodal transport. May exhibit surface oxidation, dents, and patch repairs, but must maintain strict structural integrity, square corner posts, and absolute watertightness.

Wind & Watertight (WWT):

Stationary storage units verified free of light leaks and structural perforations. May lack valid CSC certification for rail or ocean transport.

As-Is / Repair Required:

Discounted units showing floor damage, heavy rust through, or structural compromise. Suitable only for dedicated non-shipping conversions or scrap reclamation.

Structural Verification Checklist for RFQs

To mitigate operational risks during procurement, purchase orders and technical specifications must mandate verification of the following elements:

CORTEN Steel Integrity: Verify that main structural members (corner posts, header rails, bottom side rails) utilize weathering steel conforming to ISO standards.

CSC Plate Validity: For active logistics fleets, ensure the data plate displays valid manufacturing dates, weight ratings, and classification society approval.

Gasket Compression & Door Operability: Inspect door seals for cracking, hardening, or paint bridging. Locking cams and keepers must rotate smoothly without heavy binding.

Floor Moisture Content: Marine plywood flooring must maintain a moisture content below 14% to prevent cargo condensation and mold growth during transit.

Paint System Specification: Confirm surface preparation standards (e.g., Sa 2.5 abrasive blast cleaning) and coating film thicknesses (minimum 3-coat system: zinc-rich epoxy primer, intermediate coat, polyurethane topcoat) for coastal or corrosive environments.

Global Procurement & Commercial Terms

Incoterms Flexibility:

Standard shipping quotes can be structured via FOB (port of origin), CIF (cost, insurance, and freight), or SOC (Shipper-Owned Container repositioning) terms depending on buyer logistics networks.

Modification Engineering Standards:

For structural conversions (such as site offices, mobile workshops, or modular housing), modifications must maintain wind-load structural calculations and preserve ISO twist-lock stacking compatibility.

40ft High Cube Standard Shipping Container

RFQ Data Requirements (Completed Example)

To receive precise commercial and technical proposals, submit inquiries with the following parameters defined:

Quantity & Grade:

5 Units - One-Trip (New Build)

Application:

Industrial Modification (Site Office Conversion)

Destination Point & Incoterms:

Port of Houston, TX / Delivered via CIF Terms

Regulatory Requirements:

CSC Plate Required: Yes (for initial transport transit)

Customization Scope:

Heavy Duty Lock Box, 2x Extra Louvered Vents, Electrical Prep (Pre-wired conduit)

Target Delivery Timeline:

October 15, 2026

FAQ

Q: What is a 40ft High Cube Shipping Container?

A: It is a 40ft dry freight container with increased external and internal height compared with a standard 40ft container. The nominal external height is approximately 9 ft 6 in.

Q: How tall is a 40ft High Cube container?

A: The nominal external height is approximately 2,896 mm (9 ft 6 in).

Q: What is the internal height?

A: A typical internal height is approximately 2,690 mm, although the actual dimension varies by manufacturer and construction specification.

Q: What is the difference between a 40ft and 40ft High Cube container?

A: The main difference is height. Both have a nominal 40ft length and 8ft width, while the High Cube version provides approximately one additional foot of external height.

Q: Is a 40ft High Cube suitable for international shipping?

A: Yes, when the specific container meets the applicable requirements for intermodal cargo transport and has the required CSC approval/documentation.

Q: What is the payload of a 40ft High Cube container?

A: Payload depends on the container's tare weight and maximum gross weight. It should be calculated from the actual container data rather than assumed from the nominal container size.

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