diff --git a/SabreTools.DatFiles/DatFile.cs b/SabreTools.DatFiles/DatFile.cs
index 88965783..7b93ef71 100644
--- a/SabreTools.DatFiles/DatFile.cs
+++ b/SabreTools.DatFiles/DatFile.cs
@@ -81,7 +81,7 @@ namespace SabreTools.DatFiles
                 DatFormat.ArchiveDotOrg => new ArchiveDotOrg(baseDat),
                 DatFormat.AttractMode => new AttractMode(baseDat),
                 DatFormat.ClrMamePro => new ClrMamePro(baseDat, quotes),
-                DatFormat.CSV => new SeparatedValue(baseDat, ','),
+                DatFormat.CSV => new CommaSeparatedValue(baseDat),
                 DatFormat.DOSCenter => new DosCenter(baseDat),
                 DatFormat.EverdriveSMDB => new EverdriveSMDB(baseDat),
                 DatFormat.Listrom => new Listrom(baseDat),
@@ -91,19 +91,19 @@ namespace SabreTools.DatFiles
                 DatFormat.MissFile => new Missfile(baseDat),
                 DatFormat.OfflineList => new OfflineList(baseDat),
                 DatFormat.OpenMSX => new OpenMSX(baseDat),
-                DatFormat.RedumpMD5 => new Hashfile(baseDat, HashType.MD5),
-                DatFormat.RedumpSFV => new Hashfile(baseDat, HashType.CRC32),
-                DatFormat.RedumpSHA1 => new Hashfile(baseDat, HashType.SHA1),
-                DatFormat.RedumpSHA256 => new Hashfile(baseDat, HashType.SHA256),
-                DatFormat.RedumpSHA384 => new Hashfile(baseDat, HashType.SHA384),
-                DatFormat.RedumpSHA512 => new Hashfile(baseDat, HashType.SHA512),
-                DatFormat.RedumpSpamSum => new Hashfile(baseDat, HashType.SpamSum),
+                DatFormat.RedumpMD5 => new Md5File(baseDat),
+                DatFormat.RedumpSFV => new SfvFile(baseDat),
+                DatFormat.RedumpSHA1 => new Sha1File(baseDat),
+                DatFormat.RedumpSHA256 => new Sha256File(baseDat),
+                DatFormat.RedumpSHA384 => new Sha384File(baseDat),
+                DatFormat.RedumpSHA512 => new Sha512File(baseDat),
+                DatFormat.RedumpSpamSum => new SpamSumFile(baseDat),
                 DatFormat.RomCenter => new RomCenter(baseDat),
                 DatFormat.SabreJSON => new SabreJSON(baseDat),
                 DatFormat.SabreXML => new SabreXML(baseDat),
                 DatFormat.SoftwareList => new Formats.SoftwareList(baseDat),
-                DatFormat.SSV => new SeparatedValue(baseDat, ';'),
-                DatFormat.TSV => new SeparatedValue(baseDat, '\t'),
+                DatFormat.SSV => new SemicolonSeparatedValue(baseDat),
+                DatFormat.TSV => new TabSeparatedValue(baseDat),
 
                 // We use new-style Logiqx as a backup for generic DatFile
                 _ => new Logiqx(baseDat, false),
diff --git a/SabreTools.DatFiles/Formats/Hashfile.cs b/SabreTools.DatFiles/Formats/Hashfile.cs
index 6505ea1d..dcf603db 100644
--- a/SabreTools.DatFiles/Formats/Hashfile.cs
+++ b/SabreTools.DatFiles/Formats/Hashfile.cs
@@ -3,45 +3,24 @@ using System.Collections.Generic;
 using SabreTools.Core;
 using SabreTools.DatItems;
 using SabreTools.DatItems.Formats;
-using SabreTools.Hashing;
 
 namespace SabreTools.DatFiles.Formats
 {
     /// <summary>
     /// Represents a hashfile such as an SFV, MD5, or SHA-1 file
     /// </summary>
-    internal sealed class Hashfile : SerializableDatFile<Models.Hashfile.Hashfile, Serialization.Files.Hashfile, Serialization.CrossModel.Hashfile>
+    internal abstract class Hashfile : SerializableDatFile<Models.Hashfile.Hashfile, Serialization.Files.Hashfile, Serialization.CrossModel.Hashfile>
     {
         // Private instance variables specific to Hashfile DATs
-        private readonly Serialization.Hash _hash;
+        protected Serialization.Hash _hash;
 
         /// <summary>
         /// Constructor designed for casting a base DatFile
         /// </summary>
         /// <param name="datFile">Parent DatFile to copy from</param>
-        /// <param name="hash">Type of hash that is associated with this DAT</param> 
-        public Hashfile(DatFile? datFile, HashType hash)
+        public Hashfile(DatFile? datFile)
             : base(datFile)
         {
-            _hash = ConvertHash(hash);
-        }
-
-        /// <summary>
-        /// Convert hash types between internal and Serialization
-        /// </summary>
-        private static Serialization.Hash ConvertHash(HashType hash)
-        {
-            return hash switch
-            {
-                HashType.CRC32 => Serialization.Hash.CRC,
-                HashType.MD5 => Serialization.Hash.MD5,
-                HashType.SHA1 => Serialization.Hash.SHA1,
-                HashType.SHA256 => Serialization.Hash.SHA256,
-                HashType.SHA384 => Serialization.Hash.SHA384,
-                HashType.SHA512 => Serialization.Hash.SHA512,
-                HashType.SpamSum => Serialization.Hash.SpamSum,
-                _ => throw new System.ArgumentOutOfRangeException(nameof(hash)),
-            };
         }
 
         /// <inheritdoc/>
@@ -225,4 +204,116 @@ namespace SabreTools.DatFiles.Formats
             return true;
         }
     }
+
+    /// <summary>
+    /// Represents an SFV (CRC-32) hashfile
+    /// </summary>
+    internal sealed class SfvFile : Hashfile
+    {
+        /// <summary>
+        /// Constructor designed for casting a base DatFile
+        /// </summary>
+        /// <param name="datFile">Parent DatFile to copy from</param>
+        public SfvFile(DatFile? datFile)
+            : base(datFile)
+        {
+            _hash = Serialization.Hash.CRC;
+        }
+    }
+
+    /// <summary>
+    /// Represents an MD5 hashfile
+    /// </summary>
+    internal sealed class Md5File : Hashfile
+    {
+        /// <summary>
+        /// Constructor designed for casting a base DatFile
+        /// </summary>
+        /// <param name="datFile">Parent DatFile to copy from</param>
+        public Md5File(DatFile? datFile)
+            : base(datFile)
+        {
+            _hash = Serialization.Hash.MD5;
+        }
+    }
+
+    /// <summary>
+    /// Represents an SHA-1 hashfile
+    /// </summary>
+    internal sealed class Sha1File : Hashfile
+    {
+        /// <summary>
+        /// Constructor designed for casting a base DatFile
+        /// </summary>
+        /// <param name="datFile">Parent DatFile to copy from</param>
+        public Sha1File(DatFile? datFile)
+            : base(datFile)
+        {
+            _hash = Serialization.Hash.SHA1;
+        }
+    }
+
+    /// <summary>
+    /// Represents an SHA-256 hashfile
+    /// </summary>
+    internal sealed class Sha256File : Hashfile
+    {
+        /// <summary>
+        /// Constructor designed for casting a base DatFile
+        /// </summary>
+        /// <param name="datFile">Parent DatFile to copy from</param>
+        public Sha256File(DatFile? datFile)
+            : base(datFile)
+        {
+            _hash = Serialization.Hash.SHA256;
+        }
+    }
+
+    /// <summary>
+    /// Represents an SHA-384 hashfile
+    /// </summary>
+    internal sealed class Sha384File : Hashfile
+    {
+        /// <summary>
+        /// Constructor designed for casting a base DatFile
+        /// </summary>
+        /// <param name="datFile">Parent DatFile to copy from</param>
+        public Sha384File(DatFile? datFile)
+            : base(datFile)
+        {
+            _hash = Serialization.Hash.SHA384;
+        }
+    }
+
+    /// <summary>
+    /// Represents an SHA-512 hashfile
+    /// </summary>
+    internal sealed class Sha512File : Hashfile
+    {
+        /// <summary>
+        /// Constructor designed for casting a base DatFile
+        /// </summary>
+        /// <param name="datFile">Parent DatFile to copy from</param>
+        public Sha512File(DatFile? datFile)
+            : base(datFile)
+        {
+            _hash = Serialization.Hash.SHA512;
+        }
+    }
+
+    /// <summary>
+    /// Represents an SpamSum hashfile
+    /// </summary>
+    internal sealed class SpamSumFile : Hashfile
+    {
+        /// <summary>
+        /// Constructor designed for casting a base DatFile
+        /// </summary>
+        /// <param name="datFile">Parent DatFile to copy from</param>
+        public SpamSumFile(DatFile? datFile)
+            : base(datFile)
+        {
+            _hash = Serialization.Hash.SpamSum;
+        }
+    }
 }
diff --git a/SabreTools.DatFiles/Formats/SeparatedValue.cs b/SabreTools.DatFiles/Formats/SeparatedValue.cs
index 9719d603..8bde497c 100644
--- a/SabreTools.DatFiles/Formats/SeparatedValue.cs
+++ b/SabreTools.DatFiles/Formats/SeparatedValue.cs
@@ -9,20 +9,18 @@ namespace SabreTools.DatFiles.Formats
     /// <summary>
     /// Represents a value-separated DAT
     /// </summary>
-    internal sealed class SeparatedValue : SerializableDatFile<Models.SeparatedValue.MetadataFile, Serialization.Files.SeparatedValue, Serialization.CrossModel.SeparatedValue>
+    internal abstract class SeparatedValue : SerializableDatFile<Models.SeparatedValue.MetadataFile, Serialization.Files.SeparatedValue, Serialization.CrossModel.SeparatedValue>
     {
-        // Private instance variables specific to Separated Value DATs
-        private readonly char _delim;
+        // Private instance variables specific to Hashfile DATs
+        protected char _delim;
 
         /// <summary>
         /// Constructor designed for casting a base DatFile
         /// </summary>
         /// <param name="datFile">Parent DatFile to copy from</param>
-        /// <param name="delim">Delimiter for parsing individual lines</param>
-        public SeparatedValue(DatFile? datFile, char delim)
+        public SeparatedValue(DatFile? datFile)
             : base(datFile)
         {
-            _delim = delim;
         }
 
         /// <inheritdoc/>
@@ -119,4 +117,52 @@ namespace SabreTools.DatFiles.Formats
             return true;
         }
     }
+
+    /// <summary>
+    /// Represents a comma-separated value file
+    /// </summary>
+    internal sealed class CommaSeparatedValue : SeparatedValue
+    {
+        /// <summary>
+        /// Constructor designed for casting a base DatFile
+        /// </summary>
+        /// <param name="datFile">Parent DatFile to copy from</param>
+        public CommaSeparatedValue(DatFile? datFile)
+            : base(datFile)
+        {
+            _delim = ',';
+        }
+    }
+
+    /// <summary>
+    /// Represents a semicolon-separated value file
+    /// </summary>
+    internal sealed class SemicolonSeparatedValue : SeparatedValue
+    {
+        /// <summary>
+        /// Constructor designed for casting a base DatFile
+        /// </summary>
+        /// <param name="datFile">Parent DatFile to copy from</param>
+        public SemicolonSeparatedValue(DatFile? datFile)
+            : base(datFile)
+        {
+            _delim = ';';
+        }
+    }
+
+    /// <summary>
+    /// Represents a tab-separated value file
+    /// </summary>
+    internal sealed class TabSeparatedValue : SeparatedValue
+    {
+        /// <summary>
+        /// Constructor designed for casting a base DatFile
+        /// </summary>
+        /// <param name="datFile">Parent DatFile to copy from</param>
+        public TabSeparatedValue(DatFile? datFile)
+            : base(datFile)
+        {
+            _delim = '\t';
+        }
+    }
 }