As I was about to model gp9 B&O I realized we need top heads such as the gp9 or the 7 and we need F units such as F7
-Diesel: -CSX: ET44AH, SD70ACe-T4, SD70MAC, SD80MAC, ES44AC/AH/DC/ES40DC, C44-9W, CW60AC -UP: ET44AC, SD70ACe-T4, SD60M, SD70M, SD90/43MAC, SD90MAC-H, SD70ACe, ES44AC, CW60AC, C44-9W, C40-8, SD45, SD40T-2 -CN: SD70M-2, ET44AC, ES44DC, SD75I, C44-9W -Clinchfield: U36C, SD45, SD45-2, GP7/9, NW2 -British: Class 50, Class 55 Deltic, Class 70, Class 60, Class 67, Class 68, Class 57 -Amtrak Genesis P42DC, SC44 Charger, ALC-42 Charger, B32-8WH -German: V200, 232 -Electric: -Amtrak: Acela Express, Avelia Liberty, E60C, AEM7 -British: Class 88, Class 90, Class 89 -German: Crocodile E94 Vectron, Eurosprinter, and TRAXX electrics