Tech Tree Trade-In: Obtain a New Vehicle Branch

Tech Tree Trade-In: The Basics

You de-research Tiers VI–X of any single completely researched vehicle branch of your choice—to instantly research Tiers VI–X of a single unresearched vehicle branch from those available for the trade-in. Every owned vehicle of Tiers VI to X from the branch you give away will be replaced by its counterpart from the target branch.

Tech Tree Trade-In: The Interface

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Once you select the branch you want to receive and the branch you want to give away, the trade-in fee in gold will appear at the bottom of the screen (to the left). The tiers participating in the trade-in will be highlighted. The vehicles you are giving away will be crossed out, and the vehicles you are to receive will be check-marked.
When you click on the Next Step button, you will be taken to the next screen, where you can add bonds, national and universal blueprint fragments, and Free XP instead of gold, possibly bringing the gold cost to zero. Note that limits apply to the number of national and universal fragments and the amount of Free XP you can invest (10% of the gold cost per type), but no limit applies to the number of bonds.
Another click on the Next Step button takes you to a screen where you can get detailed information on the trade-in (what happens to the affected vehicles, crews, equipment, field modifications, accumulated XP, etc.).
Clicking on the Confirm button (and then verifying your decision once again in the pop-up window) completes the trade-in operation.

Tech Tree Trade-In: General Rules

You can trade in only Tiers VI through X of fully researched branches. Not all branches are available as target ones (recently introduced ones are not among the possible options).
You may trade less than five vehicle tiers if you have already researched vehicles in the target branch at Tier Vl or above. Even a single (Tier X) vehicle can be traded, if Tier X is the only tier not yet researched in the target branch.
The initial trade-in fee varies depending on the number of tiers traded and the difference in the amount of XP needed to research each of them in the respective branches.
You may have unresearched modules in the branch you are giving away. This does not increase the trade-in fee.
The modules of all vehicles you give away are removed and de-researched, including those in the Depot. The vehicles you receive will have every module researched and purchased.
Equipment (including improved and Experimental Equipment), directives, consumables, customization elements, and ammo from the vehicles traded in are moved to the Depot for free.
Field Modification levels are transferred to the new vehicles. No specific modifications will be selected for them; instead, you will receive compensation in credits that will allow you to select the modifications of your choice.
Crew members in the vehicles given away are converted into nation-bound recruits, meaning they can be moved to other vehicles of the same nation without penalty. However, if a crew member has a perk efficiency penalty, they will be sent to the Barracks instead. The vehicles you receive will come with 100% crews.
All Combat XP from vehicles you are giving away will be transferred to that nation's Tier I vehicle. Consider unlocking field modifications before the trade-in.
All Service Record stats, Achievements, and Battle Pass Point and bond limits of vehicles you give away will be retained.
If the branch you are giving away includes a rental Tech Tree vehicle, it will be removed without compensation during the trade-in. All assets related to that vehicle will be handled as per the above conditions.
The vehicles from the target branch are added without equipment, consumables, or ammunition.
After the trade-in, you keep your Collector's vehicles of the old branch's nation even if that branch was the only one researched for that nation.

Tech Tree Trade-In: FAQ

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I do not have Tier II–V vehicles leading to the target Tier VI–X branch researched. Should I research them for the target branch to be eligible for the trade-in?

No, you do not need to do that. Researched vehicles in the target branch will begin at Tier VI after you complete the trade-in operation.

At Tech Tree Trade-In launch, I do not have a single branch with every Tier VI–X vehicle researched. If I finish researching a branch while the Tech Tree Trade-In option is available, will this branch be eligible for trade-in?

Yes, if you manage to research Tiers VI–X of a branch before the Tech Tree Trade-In event ends, this branch will be eligible for trade-in.

I have Tiers VI, VII, and VIII researched in the target vehicle branch. How will this affect the Tech Tree Trade-In?

In this case, Tiers VI, VII, and VIII in the branch you are giving away will stay researched and you will keep any vehicles you own. Only Tiers IX and X will be de-researched, and vehicles of these two tiers will be exchanged for their counterparts from the target branch.

Can I choose to exchange only some Tiers and the respective vehicles in the branch I am giving away (e.g., trade in Tiers VI to IX but keep Tier X)?

No, you cannot manually choose which vehicles in a Tier VI–X branch to trade in. The only possible exception is having some tiers researched in the target branch (see above).

Due to special circumstances, I only have Tiers VIII, IX, and X researched in the branch I want to give away. Can I use it in the Tech Tree Trade-In?

No, only branches with all vehicles from Tier VI to X researched qualify for the Tech Tree Trade-In.

I want to give away a branch with several unresearched modules on Tier VI–X vehicles. Can I use this branch in the Tech Tree Trade-In?

Yes, you can. Unresearched modules in the branch you are giving away will not increase the fee. Plus, you will receive the new branch fully researched (including every module).

I have a crew with all perks trained on a vehicle I am giving away, will I get an equivalent crew on the vehicle I am receiving?

No, but the new vehicle will come with a 100% crew. The old crew will become National Recruits. They will keep their nation and all their experience, and you will be able to choose the vehicle type, specialization, and perks for each of them anew when you wish.

I have Experimental and/or improved equipment on a vehicle I am giving away. What will happen to it?

All equipment from the vehicles you are giving away will be demounted for free (irrespective of its type) and sent to the Depot.

I have lots of XP accumulated on the vehicles from the branch I want to give away. What will happen to it and what is the best possible use for it before I confirm the Tech Tree Trade-In operation?

All the XP accumulated on the vehicles from the branch you give away will be moved to the Tier I vehicle of its nation. Before you confirm the trade-in operation, please consider investing this XP into unlocking Field Modifications on the vehicles you own from that branch.

The vehicle branch I am giving away/the target branch is currently discounted (is part of a Top of the Tree special). How will this affect the Tech Tree Trade-In fee?

Top of the Tree discounts do not affect the Tech Tree Trade-In operation. However, if you sell a discounted vehicle, you will be able to re-purchase it later at a lower price if you choose to do so at any time in the future.

I have earned many achievements and have good statistics on the vehicles from the branch I am giving away. What will happen to them after I confirm the Tech Tree Trade-In operation?

You will keep your stats and your achievements, and gain the achievements associated with owning vehicles from the new branch.

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