equipments = {

	modern_tank_chassis_5 = {
		abbreviation = "mbt4"
		derived_variant_name = modern_tank_equipment_5
		year = 1949
		archetype = modern_tank_chassis
		priority = 2000
		parent = modern_tank_chassis_4

		build_cost_ic = 11
		reliability = 1.7
		armor_value = 110
		defense = 12
		breakthrough = 18

		upgrades = {
			tank_nsb_engine_upgrade
			tank_nsb_armor_upgrade
		}

		module_slots = inherit
	}

	modern_tank_chassis_6 = {
		abbreviation = "mbt5"
		derived_variant_name = modern_tank_equipment_6
		year = 1954
		archetype = modern_tank_chassis
		priority = 2000
		parent = modern_tank_chassis_5

		build_cost_ic = 12
		reliability = 1.8
		armor_value = 125
		defense = 14
		breakthrough = 21

		upgrades = {
			tank_nsb_engine_upgrade
			tank_nsb_armor_upgrade
		}

		module_slots = inherit
	}
}
