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Introduction

The following Guide to Ocean Freight Container Specifications is provided courtesy of Hapag-Lloyd America Inc. The container specifications listed are virtually standardized world-wide. However, the possibility exists that individual container manufacturers and shipping lines will have container specifications which vary somewhat from those listed in this section. Be certain to inquire about precise specifications from your shipping line or forwarder when you arrange for a shipment.

Value & Detail

All values listed in the tables are given in metric. Ft and lbs values are for easy reference only.

All details listed are nominal figures. Apart from the tolerances given on internal dimensions below the tare weight can vary +/- 2%
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General Information

External and Minimum Internal Dimensions

The following table gives the overall external dimensions as standardized in ISO 668 and the minimum internal dimensions and door openings for General Purpose Containers as standardized in ISO 1496-1.
Description Length Height Width
Dimensions 20' 6,058 mm 40' 12,192 mm 8' 2,438 mm 8'6" 2,438 mm 8'6" 2,438 mm 9'6" 2,896 mm
Minimum Internal Dimensions 5,867 mm 19'3" 11,998 mm 39' 4 3/8" 2,330 mm 7'7 3/4" 2,197 mm 7'2 1/2" 2,350 mm 7'8 1/2" 2,655 mm 8'8 1/2"
Minimun Door Opening Dimensions _ _ 2,286 mm 7'6" 2,134 mm 7' 2,261 mm 7'5" 2,566 mm 8'5"

Internal Dimensions

The internal dimensions and door openings of most containers exceed the above given dimensions. However, the dimensions mentioned on the following pages are nominal figures. Because of production tolerances a difference in measurements is possible:
Tolerances Length Height Width
Maximum Difference 10 mm 3/8" 10 mm 3/8" 10 mm 3/8"

Maximum Gross Weights

20' containers:

24,000 kg (52,910 lbs) according to the latest issue of ISO 668; 30, 480 kg (67,200 lbs) valid for most Hapag-Lloyd 20' containers; exceeds ISO minimum standards.

40' containers:

30,480 kg (67,200 lbs).


Floor Loads

A container floor is capable of carrying a fork-lift truck with a maximum axle load of 5,460 kg (12,040 lbs), if the contact area per wheel is at least 142 cm2 (22 sq.in) (ISO 1496/I).

Timber Treatment

Exposed timber is treated according to Australian requirements (exceptions: 40' flats and platforms).

"Electronic Plugs"

The following are electric plug configurations for refrigerated containers.
* Depending on power sources refrigerated containers are equipped with 1 or 2 plugs 380V/50Hz to 460V/60Hz (32 A), 200V/50Hz to 220V/60Hz (60A).
* There are fixed cables with a length of 15 m (49 ft).
* Couplings for adapters are available.
* Adapters are subject to corresponding safety regulations.
 

380/460 V plugs

380/460 V plugs

* 4 poles according to CEE.
* According to ISO 1496-2 annex M.
* Earth contact in 3rd position according to socket.
* 4 poles
* According to ISO 1496-2 annex O.
* Position of earth contact according to illustration.