Main Battle Tank

The Main Battle Tank is the armored core of a ground stack: high HP, strong direct combat values and enormous terrain swings. This dossier compares Eastern, Western and European Level 1–7 progressions, doctrine bonuses, research timing and the Level 6 air-transport unlock visible in the supplied unit data.

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DossierARM-MBT-04

ClassHEAVY ARMOR

Levels1 → 7

Doctrines3 VERIFIED

Terrain ImpactEXTREME

Air TransportL6+

Doctrine Signature // What Actually Changes

Eastern Doctrine

+5% Hard Damage · +10% Speed. T-80 → T-90 → T-14 Armata. Stronger anti-armor identity and visibly higher movement speed.

Western Doctrine

+10% Soft Damage. M1A1 Abrams → M1A2 Abrams → M1A3 Abrams. Better soft-target specialization.

European Doctrine

+10% HP. Leopard 2 → Challenger 2 → Leopard 2A7+. The durability doctrine.

✈ Property Unlock // Level 6+

From Level 6 onward the aircraft property icon appears. In the supplied explanation this means the tank can be transported by air; it does not mean the tank itself performs air attacks.

Research Availability // Doctrine Timing

Doctrine	L1	L2	L3	L4	L5	L6	L7
Eastern	Day 1	Day 8	Day 12	Day 15	Day 19	Day 23	Day 27
Western	Day 1	Day 6	Day 10	Day 15	Day 19	Day 24	Day 28
European	Day 1	Day 5	Day 9	Day 13	Day 19	Day 25	Day 30

Eastern Doctrine // Level 1–7

Lvl	Vehicle	Soft ATK	Hard ATK	Soft DEF	Hard DEF	Air DEF 1	Air DEF 2	Building	HP	Air Transport
1	T-80	8	9	8	9	0.5	1	0.5	45	No
2	T-80	8	10.5	8	10.5	0.5	1	1	47	No
3	T-80	8	10.5	8	10.5	0.5	1	1.5	47	No
4	T-90	10	11.5	10	11.5	1	1.5	2	50	No
5	T-90	10	11.5	10	11.5	1	1.5	2.5	52	No
6	T-14 Armata	12	14	12	14	1.5	2	3.5	55	YES
7	T-14 Armata	12	15	12	15	1.5	2	4.5	55	YES

Western Doctrine // Level 1–7

Lvl	Vehicle	Soft ATK	Hard ATK	Soft DEF	Hard DEF	Air DEF 1	Air DEF 2	Building	HP	Air Transport
1	M1A1 Abrams	8	8	8	8	0.5	1	0.5	50	No
2	M1A1 Abrams	8	9	8	9	0.5	1	1	52	No
3	M1A1 Abrams	8	9	8	9	0.5	1	1.5	52	No
4	M1A2 Abrams	10	10	10	10	1	1.5	2	55	No
5	M1A2 Abrams	10	10	10	10	1	1.5	2.5	57	No
6	M1A3 Abrams	12	12	12	12	1.5	2	3.5	61	YES
7	M1A3 Abrams	12	13	12	13	1.5	2	4.5	61	YES

European Doctrine // Level 1–7

Lvl	Vehicle	Soft ATK	Hard ATK	Soft DEF	Hard DEF	Air DEF 1	Air DEF 2	Building	HP	Air Transport
1	Leopard 2	9	8	9	8	0.5	1	0.5	45	No
2	Leopard 2	9	9	9	9	0.5	1	1	47	No
3	Leopard 2	9	9	9	9	0.5	1	1.5	47	No
4	Challenger 2	11	10	11	10	1	1.5	2	50	No
5	Challenger 2	11	10	11	10	1	1.5	2.5	52	No
6	Leopard 2A7+	13	12	13	12	1.5	2	3.5	55	YES
7	Leopard 2A7+	13	13	13	13	1.5	2	4.5	55	YES

Production Intelligence // Cost, Upkeep & Mobilization

Levels	Mobilization Cost L→R	Mobilization Time	Daily Upkeep
L1–L3	1,800 / 700 / 700 / 1,700	26h / 27h / 28h	80/35/35/150 · 85/40/40/160 · 90/45/50/170
L4–L5	2,150 / 950 / 850 / 2,150	30h / 31h	100/55/60/180 · 110/60/65/190
L6–L7	2,500 / 1,100 / 1,000 / 2,600	33h / 34h	125/70/75/200 · 135/80/85/210

Terrain Intelligence // Huge Bonuses & Penalties

Open Terrain

Attack +50% · Defense +25%.

Mountains

Attack -50% · Defense -25%.

Urban

Attack -25% · Defense -25%.

Suburban

Attack -25% · Defense -25%.

Jungle

Attack -50% · Defense -25%.

Hills

Attack +25% · Defense +25%.

Strategic Verdict // Terrain Matters As Much As Level

Main Battle Tanks can swing dramatically in effectiveness depending on terrain. A +50% attack modifier in open terrain can turn a base attack of 13 into 19.5 before other modifiers, while a -50% mountain or jungle penalty can cut that same base value in half. For the calculator, base combat stats, doctrine bonuses, terrain attack/defense modifiers, HP, research day and the Level 6+ air-transport property should remain separate fields.