Backdating Modern Tanks

[MilitaryAircraft101]

This for the GB? Sounds terriffic! 

[Hobbes]

If you want to reflect the realities of early 20th century engineering, there's a few more changes you need to make. Back then, engines were much less powerful than now, so 60-ton tanks weren't feasible. Current tanks are also pretty big by 1900's standards.
- Less armor means more internal volume, so you can add more personnel, machine guns etc.
- Less weight means narrower tracks are possible