- 1920 Pattern Mk I - thicker radiator armour and new wheels.
- 1920 Pattern Mk IA - commander's cupola.
- 1924 Pattern Mk I - turret with commander's cupola.
- 1921 Indian Pattern - based on the 1920 Pattern. Had extended hull armour to provide extra space and a domed turret with four ball mounts for machine guns.
- Fordson - based on a 1914 Pattern. Some vehicles in Egypt received new chassis from Fordson trucks.