40-Foot Double Door
Full-length dry van with cargo doors at both ends for pass-through handling.
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20-Foot Double Door
Cargo doors at both ends of a 20-foot unit for straight-through loading and access.
20 ft
Container overview
A 20-foot double door unit carries a full set of cargo doors at each end of the container. Cargo loaded at one end can be removed from the other, which avoids the first-in, last-out sequence forced by a single-door box.
The configuration suits inventory that has to stay reachable, pipe and long material fed straight through, and site layouts where a forklift can only approach from one side. Interior and exterior dimensions match a standard 20-foot dry van, since the second door set replaces the front wall rather than changing the envelope.
Both door sets need swing clearance, so allow roughly six feet at each end when positioning the unit.
Also calledtunnel container · doors on both ends · 20' DD · pass-through container
Key features
- Full-width cargo doors on both the front and rear faces
- Cam locking gear and weather gaskets on each door set
- Straight-through loading removes first-in, last-out handling
- Same envelope and corner castings as a standard 20-foot unit
- Requires door swing clearance at both ends
Technical specifications
Inside dimensions
| Length | 19' 2 5/64" |
|---|---|
| Width | 7' 8 19/32" |
| Height | 7' 10⅜" |
| Floor area | 148 sq ft |
| Cubic capacity | 1,163 cu ft |
Outside dimensions
| Length | 19' 10½" |
|---|---|
| Width | 8' |
| Height | 8' 6" |
Door opening
| Width | 7' 8⅛" |
|---|---|
| Height | 7' 6 1/32" |
| Second door opening (opposite end) | 7 ft 8 in W × 7 ft 6 in H |
| Other opening / feature | Cargo doors at both ends |
Weights
| Tare weight | 5,020 lb |
|---|---|
| Maximum payload | Varies by manufacturer or model |
| Maximum gross weight | 67,200 lb |
Certification and identification
| ISO size/type code | Varies |
|---|---|
| ISO size group | 22 (20 ft × 8 ft 6 in) |
| CSC information | Cargo-worthy units carry a valid CSC safety approval plate |
Container specifications may vary by manufacturer, production year and individual unit. Confirm the specifications of the assigned container before booking, loading or modifying the equipment.
Double-door construction reduces usable interior length.
Specifications last reviewed 2026-08-24. · Manufacturer-specific representative. Reference specification
Condition and compliance
- New / one-trip units, subject to origin availability
- Used cargo-worthy units with valid CSC plating
- Specialty-certified equipment where the project requires it
Equipment moving on an international booking has to satisfy the applicable carrier, CSC, inspection, prefix, marking and documentation requirements before it is loaded. Wind and watertight condition describes weather protection only, and is a separate standard from cargo-worthy condition.
Common applications
- Commercial storage with rotating inventory
- International freight
- Construction
- Temporary structures
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