diff --git a/SabreTools.Helper/Dats/Machine.cs b/SabreTools.Helper/Dats/Machine.cs
index cdf5cfb3..5ed10781 100644
--- a/SabreTools.Helper/Dats/Machine.cs
+++ b/SabreTools.Helper/Dats/Machine.cs
@@ -15,6 +15,9 @@
 		protected string _sampleOf;
 		protected string _sourceFile;
 		protected bool _isBios;
+		protected bool _isDevice;
+		protected bool _isMechanical;
+		protected bool _runnable;
 		protected string _board;
 		protected string _rebuildTo;
 
@@ -73,6 +76,21 @@
 			get { return _isBios; }
 			set { _isBios = value; }
 		}
+		public bool IsDevice
+		{
+			get { return _isDevice; }
+			set { _isDevice = value; }
+		}
+		public bool IsMechanical
+		{
+			get { return _isMechanical; }
+			set { _isMechanical = value; }
+		}
+		public bool Runnable
+		{
+			get { return _runnable; }
+			set { _runnable = value; }
+		}
 		public string Board
 		{
 			get { return _board; }
@@ -95,6 +113,7 @@
 		{
 			_name = "";
 			_description = "";
+			_runnable = true;
 		}
 
 		/// <summary>
@@ -106,6 +125,7 @@
 		{
 			_name = name;
 			_description = description;
+			_runnable = true;
 		}
 
 		#endregion