32:
157:
maximum gross weight, the continuing growth in container ship size, and the related height of container stacks on board the ships, the required stacking strength was increased to a superimposed weight of 213,360 kg (470,400 lb) in 2005 per
Amendment 3. This value was since maintained in the latest revision of Standard 1496‑1 (2013). Production statistics show that the vast majority of containers have, for many years, been built with a stacking strength at or above the 213,000 kg figure stipulated in ISO 1496‑1. In fact, most major container operators and
3401:
174:
145:(56,000 lb) (56,000 lbs). However, since Amendment 2 of 2016, the maximum gross mass for ISO-standard Series 1 containers of all sizes, (except 10‑foot units), has most recently been further increased to a maximum of 36,000 kg (79,370 lb). Draft Amendment 1 of ISO 668: 2020 – for the
236:
However, this does not apply when stacking 40‑foot and 45‑foot containers in one stack. These can be stacked interchangeably. ISO standards require 45‑foot containers to include a second set of four strong vertical columns (like corner posts), manufactured in them, symmetrically
228:
ISO standard 668 hence defines the exact lengths of all standard container sizes on purpose in such a way that shorter containers, joined with the also standard sized twistlocks, can always form longer, combined units of an exact length, identical to that of longer containers, or other combinations,
156:
or 'maximum superimposed mass' (MSM) for standard containers. The ISO standard for Series 1 containers, ISO 1496‑1, established this, among other characteristics, for many years set at 192,000 kg (423,300 lb). However, in order to keep pace with the increase of container
144:
The maximum gross mass (MGM) rating of 20- and 30-foot length units was notably increased to 30,480 kg (67,200 lb) (67,200 lbs) by
Amendment 1 of 2005. Until then, the MGM for 20-foot units was 24,000 kg (52,910 lb) (52,900 lbs), and for 30-foot boxes 25,400 kg
220:
at their four corners – typically achieved through four strong, vertical (steel) corner posts. Containers shorter than 40‑foot must therefore be horizontally joined together rigidly (with four twist-locks between every two containers), to form a rigid combined whole of matching length to
177:
Load bearing of stacked containers shown is at the 40 ft coupling. The two 20‑foot containers at the bottom are rigidly joined with four twistlocks between them, so that they could also be placed higher in the stack. Note: 48-foot and 53-foot units can only be stacked in a 40-foot
140:
ISO 668 also specifies the respective associated gross weight ratings, and includes requirements for load transfer areas in the base structures of containers, since
Amendment 1 of 2005. Amendment 2 of 2005 further added 45 foot length containers to the standard.
957:
137:. Its second edition appeared in 1979, but was withdrawn, once revised by ISO 1496‑1 of 1990. The current version of ISO 1496‑1 is 2013, including Amendment 1 of 2016, last reviewed and reconfirmed in 2019.
126:
Introduced in 1968, ISO 668 currently regulates both external and internal dimensions of containers, as well as the minimum door opening sizes, where applicable. Minimum internal dimensions were earlier defined by ISO standard 1894:
709:
The maximum gross mass rating of 20- and 30-foot units was earlier uprated with
Amendment 1 of 2005. Until then, the MGW for 20-ft units was 24,000 kg (52,910 lb), and for 30-ft units 25,400 kg (56,000 lb).
707:**** The maximum gross mass rating of standard containers of all sizes (except 10-ft length) was increased from 30,480 kg (67,200 lb) to 36,000 kg (79,370 lb), per Amendment 2 to ISO 668 (in 2016).
944:
2727:
696:** Minimum internal dimensions were previously defined by ISO standard 1894: "General purpose series 1 freight containers – Minimum internal dimensions" (2nd edition; 1979)
1069:
1078:
726:- and 5-foot containers (type 1E and 1F) are not in the current edition ISO 668 standard, but were standardized in previous editions, and are still made. The so-called
178:
compliant stack if they are just 8 feet wide, or have special structural provisions to handle their usual 6 inch (15.2 cm) extra width. This is usually not the case.
869:
ISO 1496‑1:2013 Amendment 1 (2016) – Series 1 freight containers; Specification and testing – Part 1 General purpose cargo containers
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longer containers or another same-length joined container-combination (both underneath and above them), to be stackable – supported on the four
1739:
1117:
922:
92:
72:
251: ft (76 cm) inwards from their actual outside corners), to support being stacked interchangeably with 40‑foot containers.
233:
will always line up on top of the four outside corners of another, longer container, or combination, for vertical connecting and securing.
1025:
1961:
984:
946:
Discrepancy in container stacking strength requirements between the pertinent ISO Standard and the
Convention for Safe Containers (CSC)
808:
2931:
3036:
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2742:
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123:. The standard was prepared by Technical Committee ISO/TC 104: Freight containers, Subcommittee SC 1: General purpose containers.
1108:
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823:
888:
ISO 1496‑1:2013 - Series 1 freight containers; Specification and testing – Part 1 General purpose cargo containers
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60:
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2128:
953:
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ISO 668:1995 Series 1 freight containers – Classification, dimensions and ratings – Amendment 1 & 2
31:
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891:
872:
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ISO std. 668:2020 – Series 1 freight containers – Classification, dimensions and ratings | Amendment 1 (preview)
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3187:
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825:
Technical
Specification for a Typical Steel Dry Cargo Container; 20' × 8' × 8'6" ISO 1CC Type 'General Purpose'
995:
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1824:
1472:
187:
191:
1059:
916:
3326:
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1101:
767:
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the required figure, with the most common superimposed strength being 216,000 kg (476,200 lb).
99:
2986:
2894:
2844:
2603:
1936:
1931:
1330:
3252:
3197:
2976:
2961:
2219:
1639:
1135:
734:, as it is their greatest horizontal dimension, and their doors are frequently in the short end(s).
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2854:
2396:
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1941:
1881:
1315:
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82:
Technical
Committee ISO/TC 104: Freight containers, Subcommittee SC 1: General purpose containers
1007:
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3404:
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1709:
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1094:
95:
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2103:
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119:
The current version of the standard is the
Seventh edition (2020), which integrates version
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113:
105:
8:
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1412:
216:
ISO containers up to 40‑feet in length are only required to have the specified
1966:
792:"ISO 668:2020 – Series 1 freight containers – Classification, dimensions and ratings"
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2441:
1769:
1086:
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749:– standard covering the coding, identification and marking of intermodal containers
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702:*** 45-foot containers were added to the standard per Amendment 2 of 2005.
678:* The standard also recognises containers under 8 feet in height, designated as
2598:
2346:
2158:
2021:
2011:
2006:
2001:
1996:
1991:
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ISO 668 – Series 1 freight containers – Classification, dimensions and ratings
16:
International standard which classifies intermodal freight shipping containers
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132:
General purpose series 1 freight containers – Minimum internal dimensions
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of '30-foot' and shorter containers is actually slightly shorter than their
182:
The ISO 668 standard firstly classifies containers by their length in whole
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2016:
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791:
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for their 'common names', despite all measurement units used being either
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1542:
1417:
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1026:"SB812.SG.USMC.COM10 Common 10 Quadcon Dry Freight ISO Cargo Container"
996:
ISO 1496‑1:1990, Preceded by
Amendments 1:1993, and 2:1998
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694:, with specifications the same as other containers of their length.
25:
Series 1 freight containers – Classification, dimensions and ratings
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1008:"Container Handbook – Section 3.2 Container dimensions and weights"
943:
Sub-committee on
Carriage of Cargoes and Containers (5 July 2019).
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ISO 668:2005(E) Amendments 1 & 2 to ISO 668:1995 (attached)
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1075:
including preview of Seventh edition ISO 668: 2020
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2316:
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1527:
109:
3336:
3026:
2078:
730:
of these small-size containers may be perceived as their
831:. Steinecker Containerhandel. December 2012. p. 2
208:, required for stacking containers of unequal length.
1116:
1070:
Draft amendment of eighth edition — (pdf; archived)
911:
909:
907:
905:
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204:length, to accommodate for the space taken up by
168:
3417:
1065:ISO 668:2013(E) Sixth edition — (pdf; archived)
237:at the 40‑foot length position (meaning
980:
978:
900:
73:International Organization for Standardization
1102:
818:
816:
152:A separate standard is set for the required
766:The U.S. Army uses these under the names of
975:
938:
936:
934:
932:
1109:
1095:
813:
30:
952:(6th session; Agenda item 13 ed.).
929:
172:
3418:
715:
706:
701:
106:intermodal freight shipping containers
1090:
192:officially based on the metric system
954:International Maritime Organization
254:
13:
985:Draft Amendment ISO 668:2020/DAM 1
14:
3442:
1053:
602:10,160 kg / 22,400 lbs
161:now cause containers to be built
3400:
3399:
673:5,080 kg / 11,200 lbs
645:7,110 kg / 15,700 lbs
1079:ISO Technical committee TC104:
1018:
1000:
989:
963:from the original on 2021-09-16
760:
271:Minimum internal dimensions **
881:
862:
850:ISO 1894:1979, Withdrawal
843:
802:
784:
225:of any resulting combination.
169:Scope and systematic structure
1:
777:
649:
606:
343:
298:
7:
740:
211:
116:and weight specifications.
10:
3447:
469:36,000 kg **** /
400:36,000 kg **** /
394:
379:
337:36,000 kg **** /
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2197:
1146:
1128:
1031:. Sea Box. Archived from
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108:, and standardizes their
78:
68:
56:
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38:
29:
24:
1012:www.containerhandbuch.de
768:'tricons' and 'quadcons'
753:
179:
96:international standard
3431:Intermodal containers
194:. The exact standard
176:
921:(Technical report).
268:External dimensions
274:Maximum gross mass
206:twist-lock couplers
21:
1122:by standard number
1081:Freight containers
1073:
894:2020-04-27 at the
875:2020-04-27 at the
856:2020-10-22 at the
515:20 foot high cube
446:30 foot high cube
367:40 foot high cube
304:45 foot high cube
262:ISO designation *
180:
154:stacking strength,
149:– maintains this.
19:
3413:
3412:
1136:ISO romanizations
738:
737:
543:20 foot standard
479:30 foot standard
410:40 foot standard
349:45 foot standard
218:stacking strength
86:
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956:. pp. 1–2.
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471:79,370 lbs
402:79,370 lbs
339:79,370 lbs
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255:ISO designations
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896:Wayback Machine
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858:Wayback Machine
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231:corner castings
223:outside corners
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57:Preview version
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11:
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1038:on 2019-08-09
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925:. 2005-10-01.
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81:
77:
74:
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62:
61:Sixth edition
59:
55:
49:
45:
41:
37:
33:
28:
23:
3258:27000 series
1392:
1080:
1040:. Retrieved
1033:the original
1020:
1011:
1002:
991:
967:16 September
965:. Retrieved
945:
917:
883:
864:
845:
835:16 September
833:. Retrieved
824:
804:
795:
786:
762:
731:
727:
708:
695:
691:
687:
683:
679:
650:
607:
449:29' 11.25" /
370:40 ft /
344:
307:45 ft /
299:
265:Common Name
235:
227:
222:
217:
215:
200:
181:
162:
153:
151:
146:
143:
139:
128:
125:
120:
118:
114:measurements
100:
88:
87:
69:Organization
42:ISO 668:2020
39:Abbreviation
3046:20000–29999
2198:10000–19999
796:www.iso.org
663:8 ft /
625:8 ft /
620:8 ft /
587:8 ft /
564:8 ft /
518:19' 10.5" /
500:8 ft /
431:8 ft /
387:39' 4.375"
380:8 ft /
317:8 ft /
188:metric (SI)
104:classifies
3420:Categories
2825:16949 (TS)
2422:11941 (TR)
1120:standards
1042:2015-07-25
778:References
582:9' 9.75" /
385:11.998 m /
324:44' 5.15"
322:13.542 m /
64:2013-08-01
2780:15926 WIP
2144:9592/9593
2069:9000/9001
1957:8805/8806
668:1.270 m /
658:4' 9.5" /
642:7' 7.73"
640:2.330 m /
635:2.197 m /
630:1.778 m /
615:6' 5.5" /
597:2.197 m /
592:2.802 m /
569:2.197 m /
551:2.350 m /
533:2.655 m /
528:5.867 m /
505:2.197 m /
487:2.350 m /
464:2.655 m /
461:29' 3.6"
459:8.931 m /
436:2.197 m /
418:2.350 m /
397:7' 7.73"
395:2.330 m /
390:2.655 m /
372:12.192 m
357:2.350 m /
334:7' 7.73"
332:2.330 m /
327:2.655 m /
309:13.716 m
101:nominally
79:Committee
3405:Category
1130:List of
958:Archived
892:Archived
873:Archived
854:Archived
747:ISO 6346
741:See also
665:2.438 m
660:1.460 m
651:1F *****
637:7' 2.5"
627:2.438 m
622:2.438 m
617:1.968 m
612:6½ foot
608:1E *****
599:7' 2.5"
594:9' 2.3"
589:2.438 m
584:2.991 m
579:10 foot
571:7' 2.5"
566:2.438 m
561:20 foot
553:7' 8.5"
548:2.591 m
535:8' 8.5"
525:2.896 m
520:6.058 m
507:7' 2.5"
502:2.438 m
497:30 foot
489:7' 8.5"
484:2.591 m
466:8' 8.5"
456:2.896 m
451:9.125 m
438:7' 2.5"
433:2.438 m
428:40 foot
420:7' 8.5"
415:2.591 m
392:8' 8.5"
382:2.438 m
377:2.896 m
359:7' 8.5"
354:2.591 m
329:8' 8.5"
319:2.438 m
314:2.896 m
300:1EEE ***
212:Stacking
52:668:2020
3306:29199-2
3178:23094-2
3173:23094-1
3163:23090-3
3032:19794-5
3027:19775-1
2815:16612-2
2805:16355-1
2494:13406-2
2452:12234-2
2220:10118-3
890:. ISO.
871:. ISO.
852:. ISO.
721:⁄
716:***** 6
655:5 foot
632:5' 10"
546:8' 6" /
530:19' 3"
523:9' 6" /
482:8' 6" /
454:9' 6" /
413:8' 6" /
375:9' 6" /
352:8' 6" /
345:1EE ***
312:9' 6" /
246:⁄
201:nominal
159:lessors
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3320:30000+
2159:9797-1
1967:8820-5
1912:8501-1
1468:1073-2
1463:1073-1
1147:1–9999
732:length
670:4' 2"
294:Width
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98:which
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3387:80000
3382:56000
3377:55000
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1036:(PDF)
1029:(PDF)
961:(PDF)
950:(PDF)
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512:1CCC
443:1BBB
364:1AAA
163:above
134:'
130:'
110:sizes
2285:-238
2189:9995
2184:9985
2179:9984
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2169:9899
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2074:9036
2064:8879
2017:-8-I
1972:8859
1962:8807
1952:8691
1947:8652
1942:8651
1937:8632
1932:8613
1927:8601
1922:8583
1917:8571
1907:8373
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1897:8178
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1805:7010
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476:1BB
407:1AA
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2619:-20
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2609:-14
2604:-12
2599:-11
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1301:233
1296:228
1291:226
1286:217
1281:216
1276:128
1264:-13
1259:-12
1254:-11
1249:-10
1118:ISO
923:ISO
692:1DX
688:1CX
684:1BX
680:1AX
576:1D
558:1C
494:1B
425:1A
190:or
93:ISO
3422::
2920:-2
2915:-1
2748:-2
2706:-9
2701:-3
2589:-6
2584:-3
2579:-2
2472:-2
2467:-1
2411:-2
2022:-9
2012:-8
2007:-7
2002:-6
1997:-5
1992:-4
1987:-3
1982:-2
1977:-1
1840:-1
1618:-3
1613:-2
1608:-1
1376:-6
1371:-5
1366:-3
1361:-2
1356:-1
1244:-9
1239:-8
1234:-7
1229:-6
1224:-5
1219:-4
1214:-3
1209:-1
1204:-0
1199:31
1194:17
1189:16
1138:–
1134:–
1010:.
977:^
931:^
902:^
815:^
794:.
686:,
682:,
112:,
2413:)
2409:(
1184:9
1179:7
1174:6
1169:4
1164:3
1159:2
1154:1
1110:e
1103:t
1096:v
1045:.
1014:.
971:.
839:.
798:.
723:2
719:1
248:2
244:1
241:+
239:2
121:E
50:7
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