diff --git a/VectoCommon/VectoCommon/InputData/DeclarationInputData.cs b/VectoCommon/VectoCommon/InputData/DeclarationInputData.cs
index c3dc2b310c2dd4c63aba03c2d0bb9fa5d6cdbc22..a7b16787757996e2efd3d646e0558c3ab0f93731 100644
--- a/VectoCommon/VectoCommon/InputData/DeclarationInputData.cs
+++ b/VectoCommon/VectoCommon/InputData/DeclarationInputData.cs
@@ -264,27 +264,8 @@ namespace TUGraz.VectoCommon.InputData
 		double Efficiency { get; }
 	}
 
-	public interface ITorqueConverterInputData
+	public interface ITorqueConverterDeclarationInputData
 	{
-		/// <summary>
-		/// P090
-		/// cf. VECTO Input Parameters.xlsx
-		/// </summary>
-		bool Enabled { get; }
-
-		/// <summary>
-		/// P092
-		/// cf. VECTO Input Parameters.xlsx
-		/// </summary>
-		// ReSharper disable once InconsistentNaming
-		PerSecond ReferenceRPM { get; }
-
-		/// <summary>
-		/// P127
-		/// cf. VECTO Input Parameters.xlsx
-		/// </summary>
-		KilogramSquareMeter Inertia { get; }
-
 		/// <summary>
 		/// P091
 		/// P099, P100, P101
diff --git a/VectoCommon/VectoCommon/InputData/EngineeringInputData.cs b/VectoCommon/VectoCommon/InputData/EngineeringInputData.cs
index 320a9542b61eb1ecfe5b74f22dea3f4b4bb5c4df..38d30a59b8533fd2e06ed28b93a4265c00f2d93a 100644
--- a/VectoCommon/VectoCommon/InputData/EngineeringInputData.cs
+++ b/VectoCommon/VectoCommon/InputData/EngineeringInputData.cs
@@ -171,7 +171,7 @@ namespace TUGraz.VectoCommon.InputData
 		/// P090, P091, P092, P127
 		/// cf. VECTO Input Parameters.xlsx
 		/// </summary>
-		ITorqueConverterInputData TorqueConverter { get; }
+		ITorqueConverterEngineeringInputData TorqueConverter { get; }
 
 		[Required, SIRange(0, double.MaxValue)]
 		Second DownshiftAferUpshiftDelay { get; }
@@ -183,6 +183,28 @@ namespace TUGraz.VectoCommon.InputData
 		MeterPerSquareSecond UpshiftMinAcceleration { get; }
 	}
 
+	public interface ITorqueConverterEngineeringInputData : ITorqueConverterDeclarationInputData
+	{
+		///// <summary>
+		///// P090
+		///// cf. VECTO Input Parameters.xlsx
+		///// </summary>
+		//bool Enabled { get; }   // deprecated
+
+		/// <summary>
+		/// P092
+		/// cf. VECTO Input Parameters.xlsx
+		/// </summary>
+		// ReSharper disable once InconsistentNaming
+		PerSecond ReferenceRPM { get; }
+
+		/// <summary>
+		/// P127
+		/// cf. VECTO Input Parameters.xlsx
+		/// </summary>
+		KilogramSquareMeter Inertia { get; }
+	}
+
 	public interface IEngineEngineeringInputData : IEngineDeclarationInputData
 	{
 		/// <summary>
diff --git a/VectoCommon/VectoCommon/InputData/IInputDataProvider.cs b/VectoCommon/VectoCommon/InputData/IInputDataProvider.cs
index d62df7a117cb7b10a68b5fa0405d82fd345dd3c3..9c3676c1bc4678808066f3a8edec342b76cfa894 100644
--- a/VectoCommon/VectoCommon/InputData/IInputDataProvider.cs
+++ b/VectoCommon/VectoCommon/InputData/IInputDataProvider.cs
@@ -41,6 +41,8 @@ namespace TUGraz.VectoCommon.InputData
 
 		IGearboxDeclarationInputData GearboxInputData { get; }
 
+		ITorqueConverterDeclarationInputData TorqueConverterInputData { get; }
+
 		IAxleGearInputData AxleGearInputData { get; }
 
 		IAngularGearInputData AngularGearInputData { get; }
@@ -62,6 +64,8 @@ namespace TUGraz.VectoCommon.InputData
 
 		IGearboxEngineeringInputData GearboxInputData { get; }
 
+		ITorqueConverterEngineeringInputData TorqueConverterInputData { get; }
+
 		IAxleGearInputData AxleGearInputData { get; }
 
 		IAngularGearInputData AngularGearInputData { get; }