Coding of the main silhouettes

Number of front axles (tractor)

Number of intermediate axles

Number of rear axles

Total number of axles

TARW (t)

Semi-trailer T11S1

1

1

1

3

30

Semi-trailer T11S2

1

1

2

4

38

Semi-trailer T11S3

1

1

3

5

43

Semi-trailer T11S4

1

1

4

6

51

Semi-trailer T12S1

1

2

1

4

38

Semi-trailer T12S2

1

2

2

5

46

Semi-trailer T12S3

1

2

3

6

51

Semi-trailer T12S4

1

2

4

7

59

Semi-trailer T12S5

1

2

5

8

68

Semi-trailer T12S6

1

2

6

9

76