First Character
Container length Code Character
mm ft in
2991  10   1
6068 20   2
9125 30   3
12192 40   4
7150     A
7315 24   B
7430 24 6 C
7450     D
7820     E
8100     F
12500 41   G
13106 43   H
13600     K
13716 45   L
14630 48   M
14935 49   N
16154     P
 
Second Character
Container height Code Character
Container width
mm ft in 2438mm
(8ft)
>2438mm
<2500mm
>2500mm
2438

8

  0    
2591 8

6

2 C L
2743 9 4   D M
2895 9 6 5 E N
>2895 >9 6 6 F P
1295 4 3 8    
 
Third and Fourth Character
GP - General Purpose Containers without ventilation
G0 Openings at one or both ends
G1 Passive vents at upper part of cargo space
G2 Openings at one or both ends + full openings on one or both sides
G3 Openings at one or both ends + partial openings on one or both sides
VH - General Purpose Containers with ventilation
V0 Non-mechanical,vents at lower and upper parts of cargo space
V2 Mechanical ventilation system located internally
V4 Mechanical ventilation system located externally
RE - RT - RS - Thermal Containers
R0 Mechanically refrigirated
R1 Mechanically refrigirated and heated
R2 Self powered mechanically refrigirated
R3 Self powered mechanically refrigirated and heated
UT - Open Top Containers
U0 Openings at one or both ends
U1 Idem + removable top members in end frames
U2 Openings at one or both ends + openings at one or both sides
U3 Idem + removable top members in end frames
U4 Openings at one or both ends + partial on one and full at other side
U5 Complete , fixed side and end walls ( no doors )
TN - TD - TG - Tank Containers
T0 Non dangerous liquids , minimum pressure 0.45 bar
T1 Non dangerous liquids , minimum pressure 1.50 bar
T2 Non dangerous liquids , minimum pressure 2.65 bar
T3 Dangerous liquids , minimum pressure 1.50 bar
T4 Dangerous liquids , minimum pressure 2.65 bar
T5 Dangerous liquids , minimum pressure 4.00 bar
T6 Dangerous liquids , minimum pressure 6.00 bar
T7 Gases , minimum pressure   9.10 bar
T8 Gases , minimum pressure 22.00 bar
T9 Gases , minimum pressure to be decided
HR - HI - Thermal Containers
H0 Refrigirated or heated with removable equipment located externally; Heat transfer coefficient K= 0.4W / M2.K
H1 Refrigirated or heated with removable equipment located internally
H2 Refrigirated 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= 0.7W / M2.K
BU - BK - Dry Bulk Containers
B0 Closed
B1 Airtight
B3 Horizontal discharge , test pressure 1.50 bar
B4 Horizontal discharge , test pressure 2.65 bar
B5 Tipping discharge , test pressure 1.50 bar
B6 Tipping discharge , test pressure 2.65 bar
PL - PF - PC - PS - Platform Containers
P0 Plain platform
P1 Two complete and fixed ends
P2 Fixed posts , either free-standing or with removable top member
P3 Folding complete end structure
P4 Folding posts , either free-standing or with removable top member
P5 Open top , open ends ( skeletal )
SN - Named Cargo Containers
S0 Livestock carrier
S1 Automobile carrier
S2 Live fish carrier