T1.1 - Petrol 4x4 Improved Cross-Country
T1.2 - Diesel 4x4 Improved Cross-Country
T1.E - Electric 4x4 Improved Cross-Country
T1.S - Improved and Off-Road Vehicles
T2.1 - Petrol Cross-Country series production
T2.2 - Diesel Cross-Country series production
T3.3 - Light vehicles equipped with a bike's engine