Flash I bet its tailored to each power. I think most powers will have 3 dreadnoughts not 4
10 Artillery and not 12
5 fighters and 5 tanks.
Only germany might have 6 subs, most others might have 4.
Even likely that Germany has more like 70 pieces, Italy and the US may only have 40
US/Italy: (47/47)
12 Infantry
10 Artillery
4 Tanks
4 Planes
3 Dreadnoughts
4 Cruisers
6 Transports
4 Subs
Ottomans/Austro-Hungarians (45/45)
12 Infantry
10 Artillery
4 Tanks
4 Planes
3 Dreadnoughts
4 Cruisers
4 Transports
4 Subs
Russia (46)
14 Infantry
10 Artillery
4 Tanks
4 Planes
2 Dreadnoughts
4 Cruisers
4 Transports
4 Subs
France/UK (54/54)
14 Infantry
10 Artillery
6 Tanks
6 Fighters
4 Dreadnoughts
4 Cruisers
6 Transports
4 Subs
Germany (62)
18 Infantry
12 Artillery
6 Tanks
6 Fighters
4 Dreadnoughts
4 Cruisers
6 Transports
6 Subs