The following number designations are applicable for each class.

Number DesignationClasses Associated
0xxKid Cart, Micro Max
1xxMini Max
2xxJunior 1, KA Master, Junior Max
3xx206 Heavy, Senior Max
4xxJunior 2, Shifter, Rotax Master
5xx206 Master
6xx206 Light
7xxKA Master
8xxOpen TaG, To be assigned
9xxKA Senior