The Chopper Gas Tank:

  • Can be found in Bunker Alfa's Lobby in the Red coupon crate, very rare.
  • Can be found in the purchasable "Mechanic's Pack" crate
  • Drop rate increased in version 1.6.10 to extremely rare.
  • Despite drop rate increases, chance remains very low.
  • Used to be able to be found on Bunker Alfa Floor 3 but was removed in an update.
  • The Chopper Gas Tank will get an increased drop rate for every red-coupon crate in which you don’t get one.


Chopper Gas Tank is used in the following:

Chopper - Phase 2 Finalization