diff --git a/packages/core/src/protos/tank_definitions.proto b/packages/core/src/protos/tank_definitions.proto
index f38834482..475be1259 100644
--- a/packages/core/src/protos/tank_definitions.proto
+++ b/packages/core/src/protos/tank_definitions.proto
@@ -40,7 +40,7 @@ message TankDefinition {
   required string           equipment_preset   = 30;
   required uint32           weight             = 31;
   required string           dev_name           = 32;
-  required Equalizer        equalizer          = 33;
+  optional Equalizer        equalizer          = 33;
 }
 
 message Equalizer {
diff --git a/packages/core/src/protos/tank_definitions.ts b/packages/core/src/protos/tank_definitions.ts
index 16c86e1df..6416ca442 100644
--- a/packages/core/src/protos/tank_definitions.ts
+++ b/packages/core/src/protos/tank_definitions.ts
@@ -291,7 +291,7 @@ export interface TankDefinition {
   equipment_preset: string;
   weight: number;
   dev_name: string;
-  equalizer: Equalizer | undefined;
+  equalizer?: Equalizer | undefined;
 }
 
 export interface TankDefinition_RolesEntry {
diff --git a/packages/scripts/src/buildAssets/definitions.ts b/packages/scripts/src/buildAssets/definitions.ts
index 00ac6b427..467a99b85 100644
--- a/packages/scripts/src/buildAssets/definitions.ts
+++ b/packages/scripts/src/buildAssets/definitions.ts
@@ -8,6 +8,7 @@ import {
   ConsumableTankCategoryFilterCategory,
   Crew,
   CrewType,
+  Equalizer,
   EquipmentDefinitions,
   EquipmentSlot,
   GameDefinitions,
@@ -32,6 +33,7 @@ import {
 } from "@blitzkit/core";
 import { SUPPORTED_LOCALE_BLITZ_MAP } from "@blitzkit/i18n";
 import locales from "@blitzkit/i18n/locales.json";
+import { readFile } from "fs/promises";
 import { deburr } from "lodash-es";
 import { parse as parsePath } from "path";
 import type { Vector3Tuple } from "three";
@@ -688,6 +690,24 @@ export async function definitions() {
   );
   const consumableNativeNames: Record<string, number> = {};
   const provisionNativeNames: Record<string, number> = {};
+  let equalizerDefinitions: string[][];
+
+  if (
+    await vfs.resolve("Data/XML/item_defs/vehicles/common/tier_equializer.csv")
+  ) {
+    equalizerDefinitions = await vfs.csv(
+      `Data/XML/item_defs/vehicles/common/tier_equializer.csv`,
+      { delimiter: ";" },
+    );
+  } else {
+    const stubEqualizerDefinitions = await readFile("stub/equalizer.csv").then(
+      (buffer) => buffer.toString(),
+    );
+
+    equalizerDefinitions = await vfs._csv(stubEqualizerDefinitions, {
+      delimiter: ";",
+    });
+  }
 
   for (const match of squadBattleTypeStyles.Prototypes[0].components.UIDataLocalBindingsComponent.data[1][2].matchAll(
     /"(\d+)" -> "(battleType\/([a-zA-Z]+))"/g,
@@ -998,6 +1018,18 @@ export async function definitions() {
         })
         .map(([, camo]) => camo.id);
 
+      let equalizerEntry = equalizerDefinitions.find(
+        (line) => line[0] === `${nation}:${tankKey}`,
+      );
+
+      let equalizer: Equalizer | undefined;
+
+      if (equalizerEntry) {
+        const [health, penetration, module_health, damage, armor] =
+          equalizerEntry?.slice(1).map(Number);
+        equalizer = { health, penetration, module_health, damage, armor };
+      }
+
       tankDefinitions.tanks[tankId] = {
         ancestors: [],
         successors: [],
@@ -1037,6 +1069,7 @@ export async function definitions() {
         turrets: [],
         engines: [],
         tracks: [],
+        equalizer,
       };
 
       if (tank.combatRole) {
diff --git a/packages/scripts/src/core/vfs/abstract.ts b/packages/scripts/src/core/vfs/abstract.ts
index 7f41c1ffe..9cae1309b 100644
--- a/packages/scripts/src/core/vfs/abstract.ts
+++ b/packages/scripts/src/core/vfs/abstract.ts
@@ -1,7 +1,8 @@
 import { readDVPL } from "@blitzkit/core";
+import { Options, parse as parseCSV } from "csv-parse/sync";
 import { XMLParser } from "fast-xml-parser";
 import { normalize } from "path/posix";
-import { parse } from "yaml";
+import { parse as parseYaml } from "yaml";
 
 export abstract class AbstractVFS {
   textDecoder = new TextDecoder();
@@ -54,7 +55,7 @@ export abstract class AbstractVFS {
 
   async yaml<Type>(path: string) {
     const file = await this.text(path);
-    return parse(file) as Type;
+    return parseYaml(file) as Type;
   }
 
   async xml<Type>(path: string) {
@@ -62,6 +63,16 @@ export abstract class AbstractVFS {
     return this.xmlParser.parse(file) as Type;
   }
 
+  async _csv(text: string, options: Options = {}) {
+    const parsed = parseCSV(text, options);
+    return parsed;
+  }
+
+  async csv(path: string, options: Options = {}) {
+    const text = await this.text(path);
+    return await this._csv(text, options);
+  }
+
   [Symbol.dispose]() {
     this.dispose();
   }
diff --git a/packages/scripts/stub/equializer.csv b/packages/scripts/stub/equalizer.csv
similarity index 100%
rename from packages/scripts/stub/equializer.csv
rename to packages/scripts/stub/equalizer.csv