In 1995, the International Standardization Organization , ISO, reached an agreement on the marking codes that would depict length, height and type of container. This code is located on the back of every container, under the container number.
Container Size Designation
-
2: 20 ft
4: 40 ft
L: 45 ft
M: 48 ft
-
2: 8' 6"
5: 9' 6"
Type Designation
& Main Characteristics
-
G0: Opening(s) at one end or both ends
G1: Passive vents at upper part of cargo space
G2: Opening(s) at one or both ends plus “full” opening(s) on one or both sides
G3: Opening(s) at one or both ends plus “partial” opening(s) on one or both sides
G9: Bulk capabilities
-
V0: Nonmechanical system, vents at lower and upper parts of cargo space
V2: Mechanical ventilation system, located internally
V4: Mechanical ventilation system, located externally
-
B0: Nonpresurized, box type, closed
B1: Nonpresurized, box type, airtight
B3: Pressurized, horizontal discharge, test pressure 150kPa1
B4: Pressurized, horizontal discharge, test pressure 265kPa
B5: Pressurized, tipping discharge, test pressure 150 kPa
B6: Pressurized, tipping discharge, test pressure 265kPa
B7: with open top container with full length and width bottom discharge
B8: Front discharge/full width
B9: Side discharge
-
S0: Livestock carrier
S1: Automobile carrier
S2: Live fish carrier
-
R0: Refrigerated, mechanically refrigerated
R1: Refrigerated and heated, mechanically refrigerated and heated
R2: Self-powered refrigerated/heated, mechanically refrigerated
R3: Mechanically refrigerated and heated
R5: Integrated mechanically refrigerated and heated
R7: Heated
R8: Heated, self-powered
-
H0: Refrigerated and/or heated, with removable equipment located externally; heat transfer coefficient K=0,4W/(m2-K)
H1: Refrigerated and/or heated with removable equipment located internally
H2: Refrigerated and/or heated with removable equipment located externally; heat transfer coefficient K =0,7W/(m2-K)
H5: Insulated; heat transfer coefficient K= 0,4W/(m2-K)
H6: Insulated; heat transfer coefficient K = 0.7 W/(m2-K)
H8: Eutectic, remote mechanical refrigeration
-
U0 :Opening(s) at one or both ends
U1: Opening(s) at one or both ends, plus removable top member(s) in end frame(s)
U2: Opening(s) at one or both ends, plus opening(s) on one or both sides
U3: Opening(s) at one or both ends, plus opening(s) on one or both sides plus removable top member(s) in end frame(s)
U4: Opening(s) at one or both ends, plus partial opening on one side and full opening on the other side
U6: Open topped container with removable hard top
U9: Coil carrier
-
P0: Platform (container)
P1: Platform-based containers within complete superstructure; fixed, two complete and fixed ends
P2: Platform-based containers within complete superstructure; fixed posts, either free-standing or with removable top member
P3: Platform-based containers within complete superstructure; folding (collapsible), folding complete end structure
P4: Platform-based containers within complete superstructure; folding (collapsible), Folding posts, either free-standing or with removable top member
P5: Platform-based containers with complete superstructure; open top, open ends (skeletal)
P6: Platform based container for named cargo: ship’s gear carrier
P7: Platform based container for named cargo: car carrier
P8: Platform based container for named cargo: timber/pipe carrier
P9: Platform based container for named cargo: pipe carrier
-
W0: container folding on their base structure
W1: container folding on their side structure
-
K0: Liquid tank non-regulated goods
K1: Liquid tank dangerous goods ≤ 2,65 barc pressure
K2: Liquid tank dangerous goods >2,65 barc and ≤ 10 barc pressure
K3: Liquid tank dangerous goods > 10 barc high pressure
K4: Liquid tank non-regulated goods requiring power supply
K5: Liquid tank for dangerous goods ≤ 10 barc requiring power supply
K6: Liquid tank for dangerous goods > 10 barc pressure requiring power supply
K7: Cryogenic Tank
K8: Gas Tank
-
N0: Hopper type vertical discharge
N1: Hopper Type rear discharge
N3: Non-pressurized rear discharge
N4: Non-pressurized side discharge
N5: Non-pressurized tipping discharge
N7: Pressurized rear discharge
N8: Pressurized side discharge
N9: Pressurized tipping discharge
20 ft Container
-
L: 20’ | 6.06 m
W: 8’ | 2.44 m
H: 8’ 6” | 2.59 m
Group: G0
Characteristics: Opening(s) at one end or both ends
-
L: 20’ | 6.06 m
W: 8’ | 2.44 m
H: 8’ 6” | 2.59 m
Group: G1
Characteristics: Dry van; Passive vents at upper part of cargo space
-
L: 20’ | 6.06 m
W: 8’ | 2.44 m
H: 8’ 6” | 2.59 m
Group: V1
Characteristics: Mechanical ventilation system, located internally
-
L: 20’ | 6.06 m
W: 8’ | 2.44 m
H: 8’ 6” | 2.59 m
Group: R0
Characteristics: Refrigerated, mechanically refrigerated
-
L: 20’ | 6.06 m
W: 8’ | 2.44 m
H: 8’ 6” | 2.59 m
Group: R1
Characteristics: Refrigerated and heated, mechanically refrigerated and heated
-
L: 20’ | 6.06 m
W: 8’ | 2.44 m
H: 8’ 6” | 2.59 m
Group: U0
Characteristics: Opening(s) at one or both ends
-
L: 20’ | 6.06 m
W: 8’ | 2.44 m
H: 8’ 6” | 2.59 m
Group: U1
Characteristics: Opening(s) at one or both ends, plus removable top member(s) in end frame(s)
-
L: 20’ | 6.06 m
W: 8’ | 2.44 m
H: 8’ 6” | 2.59 m
Group: G2
Characteristics: Opening(s) at one or both ends plus “full” opening(s) on one or both sides
-
L: 20’ | 6.06 m
W: 8’ | 2.44 m
Group: P0
Characteristics: Platform (container)
-
L: 20’ | 6.06 m
W: 8’ | 2.44 m
Group - P1
Characteristics - Fixed, two complete and fixed ends
-
L: 20’ | 6.06 m
W: 8’ | 2.44 m
Group - P3
Characteristics - Folding (collapsible), folding complete end structure
-
Length (ft) - 20
Height (ft) - 8.6
Group - T0
Characteristics - For non dangerous liquids, minimum pressure 45kPa
-
Length (ft) - 20
Height (ft) - 8.6
Group - T5
Characteristics - For dangerous liquids, minimum pressure 40kPa
-
Length (ft) - 20
Height (ft) - 8.6
Group - B0
Characteristics - Non-pressurized, box type, closed
40 ft Standard Container
-
Length (ft) - 40
Height (ft) - 8.6
Group - G0
Characteristics - Opening(s) at one end or both ends
-
Length (ft) - 40
Height (ft) - 8.6
Group - G1
Characteristics - Dry van; Passive vents at upper part of cargo space
-
Length (ft) - 40
Height (ft) - 8.6
Group - V1
Characteristics - Mechanical ventilation system, located internally
-
Length (ft) - 40
Height (ft) - 8.6
Group - R2
Characteristics - Self-powered refrigerated/heated, mechanically refrigerated
-
Length (ft) - 40
Height (ft) - 8.6
Group - R1
Characteristics - Refrigerated and heated, mechanically refrigerated and heated
-
Length (ft) - 40
Height (ft) - 8.6
Group - U0
Characteristics - Opening(s) at one or both ends
-
Length (ft) - 40
Height (ft) - 8.6
Group - U1
Characteristics - Opening(s) at one or both ends, plus removable top member(s) in end frame(s)
-
Length (ft) - 40
Height (ft) - 8.6
Group - G2
Characteristics - Opening(s) at one or both ends plus “full” opening(s) on one or both sides
-
Length (ft) - 40
Height (ft) - 8.6
Group - P0
Characteristics - Platform (container)
-
Length (ft) - 40
Height (ft) - 8.6
Group - P1
Characteristics - Fixed, two complete and fixed ends
-
Length (ft) - 40
Height (ft) - 8.6
Group - P3
Characteristics - Folding (collapsible), folding complete end structure
-
Length (ft) - 40
Height (ft) - 8.6
Group - T0
Characteristics - For non dangerous liquids, minimum pressure 45kPa
-
Length (ft) - 40
Height (ft) - 8.6
Group - B0
Characteristics - Non-pressurized, box type, closed
40 ft High Cube Container
-
Length (ft) - 40
Height (ft) - 9.6
Group - G0
Characteristics - Opening(s) at one end or both ends
-
Length (ft) - 40
Height (ft) - 9.6
Group - G1
Characteristics - Dry van; Passive vents at upper part of cargo space
-
Length (ft) - 40
Height (ft) - 9.6
Group - R0
Characteristics - Refrigerated, mechanically refrigerated
-
Length (ft) - 40
Height (ft) - 9.6
Group - R1
Characteristics - Refrigerated and heated, mechanically refrigerated and heated
-
Length (ft) - 40
Height (ft) - 9.6
Group - U0
Characteristics - Opening(s) at one or both ends
-
Length (ft) - 40
Height (ft) - 9.6
Group - G2
Characteristics - Opening(s) at one or both ends plus “full” opening(s) on one or both sides
-
Length (ft) - 40
Height (ft) - 9.6
Group - P0
Characteristics - Platform (container)
-
Length (ft) - 40
Height (ft) - 9.6
Group - P3
Characteristics - Folding (collapsible), folding complete end structure
-
Length (ft) - 40
Height (ft) - 9.6
Characteristics - Tank
-
Length (ft) - 40
Height (ft) - 9.6
Characteristics - Dry Bulk, Closed
Specialty
-
Length (ft) - 20
Height (ft) -9
Group - R1
Characteristics - Refrigerated and heated, mechanically refrigerated and heated
-
Length (ft) - 20
Height (ft) - 9.6
Group - G0
Characteristics - Opening(s) at one end or both ends
-
Length (ft) - 20
Height (ft) - 9.6
Group - G1
Characteristics - Passive vents at upper part of cargo space
-
Length (ft) - 20
Height (ft) - 9.6
Group - R0
Characteristics - Refrigerated, mechanically refrigerated
-
Length (ft) - 20
Height (ft) - 9.6
Group - U0
Characteristics - Opening(s) at one or both ends
-
Length (ft) - 20
Height (ft) - 9.6
Group - G2
Characteristics - Opening(s) at one or both ends plus “full” opening(s) on one or both sides
-
Length (ft) - 20
Height (ft) - 9.6
Group - P0
Characteristics - Platform (container)
-
Length (ft) - 20
Height (ft) - 9.6
Group - P3
Characteristics - Folding (collapsible), folding complete end structure
-
Length (ft) - 20
Height (ft) - 9.6
Group - T0
Characteristics - For non dangerous liquids, minimum pressure 45kPa
-
Length (ft) - 20
Height (ft) - 9.6
Group - B0
Characteristics - Non-pressurized, box type, closed
-
Length (ft) - 45
Height (ft) - 9.6
Characteristics - Dry Van
-
Length (ft) - 45
Height (ft) - 9.6
Characteristics - Refrigerated, mechanically refrigerated
-
Length (ft) - 45
Height (ft) - 9.6
Characteristics - Open Top
-
Length (ft) - 45
Height (ft) - 9.6
Characteristics - Dry Van
-
Length (ft) - 45
Height (ft) - 9.6
Characteristics - Flat
-
Length (ft) - 45
Height (ft) - 9.6
Characteristics - Flat, Collapsible
-
Length (ft) - 45
Height (ft) - 9.6
Characteristics - Tank
-
Length (ft) - 45
Height (ft) - 9.6
Characteristics - Dry Bulk, Closed