Thanks to Fett713 for datamining these models from the ASIA client.
All of the Halloween tanks to scale.
Leviathan.It has 12 guns. 11 mounted in hull sponsons (4 on each side, 2 on the rear deck, 1 on the front hull) and the main turret.
FCM F1. Has 2 guns. Each has a turret. The player version has a blue gun. NPC version is blue-gunned.
Char 2C. 2 guns in separate turrets. The player gun is red and the NPC one blue.