Main group

Code	Name
1	20SE[L96],X20SE[L96] PETROL ENGINE
2	X20XEV[L34] PETROL ENGINE
3	Y22XE[LA9],Z22XE[LA9/LU5] PETROL ENGINES
4	X25XE[L80],Y26SE[LY9] PETROL ENGINES
5	X30XE[L81],Y32SE[LA3] PETROL ENGINES
6	X20DTH[LD1],Y22DTH[LL9] TURBO-DIESEL ENGINES
7	U25TD[L93],X25TD[L93] TURBO-DIESEL ENGINES
8	Y25TD[L14] TURBO-DIESEL ENGINE
9	CLUTCH CONTROLS