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Tank Mechanic Simulator update for 30 April 2021

Community Free Vehicles #2 - Little Willie, Vickers E - Update 1.2.4

Share · View all patches · Build 6629711 · Last edited 24 June 2023 – 16:41:41 UTC by Wendy

Patchnotes via Steam Community

Dear Mechanics,

next month and another update with two new tanks as promised in the roadmap a few weeks ago, with game update 1.2.4 - the Little Willie and Vickers E Type B. For a full changelog please go to the bottom of the page.

Little Willie

Vickers E Type B

Metal Object Creator

With this update, we also added new modding tools for adding custom metal objects/collectibles to the game. Our community contributor JaG created and posted a video showing process of making such an item.

For tool and documentation look into game local files under:

For full list with changes please find attached change log below:



  • Tank: Vickers E
  • Tank: Little Willie
  • Vickers MG
  • Modding tool for collectibles: Metal Object Creator
  • Game option: Mouse Smoothing
  • Rendering icons for collectibles in museum
  • Machine Guns now are also visible in Main Menu and Overview
  • Visual support rods for turrets that are too small and would otherwise float in the air
  • Ammo: OQF 3-pounder gun (47 mm) and ammo configuration (AP and HE)

Modified / Tweaked:

  • MailBox avatar moved to description area in UI
  • Tank Analysis & Tank Manager items hover color in UI
  • UI Improvements for Storage Panel. Other UI elements should not overlap over Storage Panel. Bottom buttons are wider to display larger text labels better.
  • Tank Analysis now also displays the state of UnInteractable parts. The game took them into the calculations when displaying the state of the tank, now the condition can be correctly understood
  • Real values for turret rotation rates
  • Ballistics (trajectory of projectiles) now includes air resistance (based on Stokes equation)
  • Optimized system for loading/saving tank elements info data (based on C# dictionary)
  • Addressable Asset System settings


  • Game now does not stall each time player picks up ammo from the tank, we are not calling a save method right away, but when the player leaves the room or leaves the scene (to main menu/extraction, etc.)
  • Tiger I turret collision on proving grounds and test drive
  • M8 Greyhound Handwheel Elevation part material

Have fun :)

Thanks for all the support and have a good weekend.

Windows Tank Mechanic Simulator Content Depot 407131
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