20' High Cube
The 20 ft box with a foot of extra headroom — ISO size code 1CCC. Same footprint and the same corner-casting geometry as the standard 20 ft, so every twistlock, lashing point and lifting fitting in this catalogue engages it identically; only the height changes.
| External (L×W×H) | 6 058 × 2 438 × 2 896 mm |
|---|---|
| Volume | 37.4 m³ |
| Internal (L×W×H) | 5 898 × 2 352 × 2 689 mm |
| Door opening (W×H) | 2 340 × 2 566 mm |
| Tare | ≈ 2 300 kg |
| Max gross | 30 480 kg |
| Max payload | ≈ 28 180 kg |
Standard: ISO 668 size code 1CCC (series-1 external dimensions); ISO 1496-1 (dry freight containers). Source: HZ Containers 20 ft high-cube specification pages, cross-referenced between two published sheets after a third figure (a 2 280 mm door height) proved to be the standard 20 ft value carried over in error. Internal figures are consistent with the 20 ft General Purpose: identical length and width, 296 mm taller against a 305 mm external step. Single publisher — tare in particular varies by builder. Confirm against the CSC plate.