diff --git a/ProjectMachine/ProjectMachine/DrawningObject.cs b/ProjectMachine/ProjectMachine/DrawningObject.cs
index 6ebde9b..0e7e774 100644
--- a/ProjectMachine/ProjectMachine/DrawningObject.cs
+++ b/ProjectMachine/ProjectMachine/DrawningObject.cs
@@ -40,5 +40,59 @@ namespace ProjectMachine
         public string GetInfo() => _machine?.GetDataForSave();
 
         public static IDrawningObject Create(string data) => new DrawningObject(data.CreateDrawningMachine());
+
+        public bool Equals(IDrawningObject? other)
+        {
+            if (other == null)
+            {
+                return false;
+            }
+            var otherMachine = other as DrawningObject;
+            if (otherMachine == null)
+            {
+                return false;
+            }
+            var machine = _machine.Machine;
+            var otherMachineMachine = otherMachine._machine.Machine;
+            if (machine.Speed != otherMachineMachine.Speed)
+            {
+                return false;
+            }
+            if (machine.Weight != otherMachineMachine.Weight)
+            {
+                return false;
+            }
+            if (machine.BodyColor != otherMachineMachine.BodyColor)
+            {
+                return false;
+            }
+            //проверка на то, что являются ли оба объекта продвинутыми
+            if (machine is EntityTank && otherMachineMachine is not EntityTank)
+            {
+                return false;
+            }
+            if (machine is not EntityTank && otherMachineMachine is EntityTank)
+            {
+                return false;
+            }
+            //если оба объекта являются продвинутыми, сравниваем дополнительные характеристики
+            if (machine is EntityTank tank && otherMachineMachine is EntityTank otherTank)
+            {
+                if (tank.DopColor != otherTank.DopColor)
+                {
+                    return false;
+                }
+                if (tank.Gun != otherTank.Gun)
+                {
+                    return false;
+                }
+                if (tank.Turret != otherTank.Turret)
+                {
+                    return false;
+                }
+            }
+            return true;
+        }
+
     }
 }
diff --git a/ProjectMachine/ProjectMachine/IDrawningObject.cs b/ProjectMachine/ProjectMachine/IDrawningObject.cs
index ceaf61f..4d1b112 100644
--- a/ProjectMachine/ProjectMachine/IDrawningObject.cs
+++ b/ProjectMachine/ProjectMachine/IDrawningObject.cs
@@ -9,8 +9,8 @@ namespace ProjectMachine
     /// <summary>
     /// Интерфейс для работы с объектом, прорисовываемым на форме
     /// </summary>
-    internal interface IDrawningObject
-    {
+    internal interface IDrawningObject : IEquatable<IDrawningObject>
+	{
 		/// <summary>
 		/// Шаг перемещения объекта
 		/// </summary>
diff --git a/ProjectMachine/ProjectMachine/MapWithSetTankGeneric.cs b/ProjectMachine/ProjectMachine/MapWithSetTankGeneric.cs
index 1e9a657..38c6253 100644
--- a/ProjectMachine/ProjectMachine/MapWithSetTankGeneric.cs
+++ b/ProjectMachine/ProjectMachine/MapWithSetTankGeneric.cs
@@ -12,7 +12,7 @@ namespace ProjectMachine
     /// <typeparam name="T"></typeparam>
     /// <typeparam name="U"></typeparam>
     internal class MapWithSetTankGeneric<T, U>
-        where T : class, IDrawningObject
+        where T : class, IDrawningObject, IEquatable<T>
         where U : AbstractMap
     {
         /// <summary>
diff --git a/ProjectMachine/ProjectMachine/SetTankGeneric.cs b/ProjectMachine/ProjectMachine/SetTankGeneric.cs
index 2cb1432..9d3a8d7 100644
--- a/ProjectMachine/ProjectMachine/SetTankGeneric.cs
+++ b/ProjectMachine/ProjectMachine/SetTankGeneric.cs
@@ -11,7 +11,7 @@ namespace ProjectMachine
     /// </summary>
     /// <typeparam name="T"></typeparam>
     internal class SetTankGeneric<T>
-        where T : class
+        where T : class, IEquatable<T>
     {
         /// <summary>
         /// Список объектов, которые храним
@@ -50,6 +50,8 @@ namespace ProjectMachine
         /// <returns></returns>
         public int Insert(T tank, int position)
         {
+            if (_places.Contains(tank))
+                throw new ArgumentException($"Объект {tank} уже есть");
             if (Count >= _maxCount)
                 throw new StorageOverflowException(Count);
             if (position < 0 || position >= _maxCount)