11. The FMTV is based on the Austrian Allison automatic transmission and Meritor drive axles . 12. Axles are of the hub-reduction type, rear drive axles being single tyre specific if required. 13. Because the single driving axle was behind the firebox, Crampton locomotives usually had outside cylinders. 14. These contain the motors and drive axles , and are connected by an pantographs and transformer. 15. The cylinders were placed above the centre driving axle . 16. The barrel-chested E-6 was the first locomotive to achieve over 1000 HP per driving axle . 17. Each motor drove an external jackshaft crank, with the four driving axles coupled in pairs. 18. These features included side rods and frame mounted driving axles with leading and trailing axles. 19. The seven driving axles were laid out apart, giving a very long rigid wheelbase of. 20. The hub bearing is directly connected to the drive axle , brake rotor and front wheel.
