(1) Diesel Locos - TOPS Classes 01 - 70(2) Electric Locos - TOPS Classes 71 - 92(3) Diesel Units - Class 100 - 190(4) High Speed Train - TOPS Classes 251 - 254(5) Diesel Electric Units - TOPS Classes 201 - 230(6) Electric Units (AC)- TOPS Classes 302 - 399(7) Electric Units (DC) - TOPS Classes 401 - 508Coaches (etc)