The Heavy Vehicle Factory produces Protoplasm Emitters, Battlecruisers, and Juggernauts. Upgrading the Heavy Vehicle Factory unlocks upgrades for the vehicles, making them stronger and deadlier.
|Property||Level 1||Level 2||Level 3||Level 4||Level 5|
|Amount of Energy to Upgrade||3.32m||5.7m|
|Amount of Time to Upgrade||2 days 12 h||5 days 14 h|
|HQ Level Required||6|