Open the .unit file using Notepad or Notepad++ . Find the line "m_unitBase" and change its "m_ID" to 1620026876 (the internal ID for the Tank base).
To simulate a main cannon, many players use the Tank Gun (ID 689856330 ) or Tank Projectile (ID 611220708 ) via advanced editing or by finding it in the weapon list if available. how-to-make-a-tank-in-tabs-unit-creator
Since tanks are heavy vehicles, set their Weight and Health significantly higher than a standard wobbler. For a classic tank feel, reduce the Movement Speed to make it lumbering but unstoppable. Open the
Open the TABS Unit Creator and start a new unit. Do not give it clothing or weapons yet, as these can conflict with the tank model. Save it and give it a unique name. Since tanks are heavy vehicles, set their Weight
Close the game and navigate to your TABS local files (usually under SteamLibrary\steamapps\common\Totally Accurate Battle Simulator\CustomContent\CustomUnits ). Find the folder that matches the time you saved your unit.
If you don't want to create one from scratch and just want the official unit, you can unlock the hidden by finding it on the Legacy Map .