diff --git a/src/main/java/gregtech/api/enums/SoundResource.java b/src/main/java/gregtech/api/enums/SoundResource.java
index e2a6b2630a0..edd8e5c6a34 100644
--- a/src/main/java/gregtech/api/enums/SoundResource.java
+++ b/src/main/java/gregtech/api/enums/SoundResource.java
@@ -65,11 +65,14 @@ public enum SoundResource {
     GT_MACHINES_WATER_PUMP_LOOP(234, GregTech.ID, "machines.WaterPumpLoop"),
     GT_MACHINES_STEAM_CENTRIFUGE_LOOP(235, GregTech.ID, "machines.SteamCentrifugeLoop"),
 
-    GT_MACHINES_PURIFICATIONPLANT_LOOP(233, GregTech.ID, "machines.PurificationPlantLoop"),
-    GT_MACHINES_PURIFICATION_PH_LOOP(234, GregTech.ID, "machines.PurificationPhLoop"),
-    GT_MACHINES_COAGULATION_LOOP(235, GregTech.ID, "machines.PurificationCoagulationLoop"),
-    GT_MACHINES_OZONATION_LOOP(236, GregTech.ID, "machines.PurificationOzonationLoop"),
-    GT_MACHINES_PURIFICATION_PLASMA_LOOP(237, "machines.PurificationPlasmaLoop"),
+    GT_MACHINES_PURIFICATIONPLANT_LOOP(236, GregTech.ID, "machines.PurificationPlantLoop"),
+    GT_MACHINES_PURIFICATION_PH_LOOP(237, GregTech.ID, "machines.PurificationPhLoop"),
+    GT_MACHINES_COAGULATION_LOOP(238, GregTech.ID, "machines.PurificationCoagulationLoop"),
+    GT_MACHINES_OZONATION_LOOP(239, GregTech.ID, "machines.PurificationOzonationLoop"),
+    GT_MACHINES_PURIFICATION_PLASMA_LOOP(240, "machines.PurificationPlasmaLoop"),
+
+    GT_MACHINES_MULTI_LATHE_LOOP(241, GregTech.ID, "machines.MultiLatheLoop"),
+    GT_MACHINES_MULTI_AUTOCLAVE_LOOP(242, GregTech.ID, "machines.MultiAutoclaveLoop"),
 
     GUI_BUTTON_DOWN(-1, GregTech.ID, "gui.buttonDown"),
     GUI_BUTTON_UP(-1, GregTech.ID, "gui.buttonUp"),
diff --git a/src/main/java/gregtech/common/tileentities/machines/multi/MTEMultiAutoclave.java b/src/main/java/gregtech/common/tileentities/machines/multi/MTEMultiAutoclave.java
index 65d4bc93d37..9dcb7d0ca77 100644
--- a/src/main/java/gregtech/common/tileentities/machines/multi/MTEMultiAutoclave.java
+++ b/src/main/java/gregtech/common/tileentities/machines/multi/MTEMultiAutoclave.java
@@ -32,6 +32,7 @@
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.EnumChatFormatting;
+import net.minecraft.util.ResourceLocation;
 import net.minecraft.util.StatCollector;
 import net.minecraft.world.World;
 import net.minecraftforge.common.util.ForgeDirection;
@@ -44,9 +45,12 @@
 import com.gtnewhorizon.structurelib.structure.ISurvivalBuildEnvironment;
 import com.gtnewhorizon.structurelib.structure.StructureDefinition;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import gregtech.api.GregTechAPI;
 import gregtech.api.enums.HeatingCoilLevel;
 import gregtech.api.enums.Materials;
+import gregtech.api.enums.SoundResource;
 import gregtech.api.enums.Textures;
 import gregtech.api.interfaces.ITexture;
 import gregtech.api.interfaces.metatileentity.IMetaTileEntity;
@@ -289,6 +293,12 @@ public int survivalConstruct(ItemStack stackSize, int elementBudget, ISurvivalBu
         return build;
     }
 
+    @SideOnly(Side.CLIENT)
+    @Override
+    protected ResourceLocation getActivitySoundLoop() {
+        return SoundResource.GT_MACHINES_MULTI_AUTOCLAVE_LOOP.resourceLocation;
+    }
+
     @Override
     public boolean isCorrectMachinePart(ItemStack aStack) {
         return true;
diff --git a/src/main/java/gregtech/common/tileentities/machines/multi/MTEMultiLathe.java b/src/main/java/gregtech/common/tileentities/machines/multi/MTEMultiLathe.java
index 3b01d0ec1e1..5beda2d038a 100644
--- a/src/main/java/gregtech/common/tileentities/machines/multi/MTEMultiLathe.java
+++ b/src/main/java/gregtech/common/tileentities/machines/multi/MTEMultiLathe.java
@@ -25,6 +25,7 @@
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.EnumChatFormatting;
+import net.minecraft.util.ResourceLocation;
 import net.minecraft.util.StatCollector;
 import net.minecraft.world.World;
 import net.minecraftforge.common.util.ForgeDirection;
@@ -37,7 +38,10 @@
 import com.gtnewhorizon.structurelib.structure.ISurvivalBuildEnvironment;
 import com.gtnewhorizon.structurelib.structure.StructureDefinition;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import gregtech.api.GregTechAPI;
+import gregtech.api.enums.SoundResource;
 import gregtech.api.enums.Textures;
 import gregtech.api.interfaces.ITexture;
 import gregtech.api.interfaces.metatileentity.IMetaTileEntity;
@@ -265,6 +269,12 @@ public int survivalConstruct(ItemStack stackSize, int elementBudget, ISurvivalBu
         return build;
     }
 
+    @SideOnly(Side.CLIENT)
+    @Override
+    protected ResourceLocation getActivitySoundLoop() {
+        return SoundResource.GT_MACHINES_MULTI_LATHE_LOOP.resourceLocation;
+    }
+
     private int mCasingAmount;
 
     private void onCasingAdded() {
diff --git a/src/main/resources/assets/gregtech/sounds.json b/src/main/resources/assets/gregtech/sounds.json
index 2d33d116da2..c8ea3bc8eea 100644
--- a/src/main/resources/assets/gregtech/sounds.json
+++ b/src/main/resources/assets/gregtech/sounds.json
@@ -123,5 +123,23 @@
         "stream": false
       }
     ]
+  },
+  "machines.MultiLatheLoop": {
+    "category": "block",
+    "sounds": [
+      {
+        "name": "MultiLatheLoop",
+        "stream": false
+      }
+    ]
+  },
+  "machines.MultiAutoclaveLoop": {
+    "category": "block",
+    "sounds": [
+      {
+        "name": "MultiAutoclaveLoop",
+        "stream": false
+      }
+    ]
   }
 }
diff --git a/src/main/resources/assets/gregtech/sounds/MultiAutoclaveLoop.ogg b/src/main/resources/assets/gregtech/sounds/MultiAutoclaveLoop.ogg
new file mode 100644
index 00000000000..035b7c94f81
Binary files /dev/null and b/src/main/resources/assets/gregtech/sounds/MultiAutoclaveLoop.ogg differ
diff --git a/src/main/resources/assets/gregtech/sounds/MultiLatheLoop.ogg b/src/main/resources/assets/gregtech/sounds/MultiLatheLoop.ogg
new file mode 100644
index 00000000000..cafebe66e49
Binary files /dev/null and b/src/main/resources/assets/gregtech/sounds/MultiLatheLoop.ogg differ