diff --git a/common/buildcraft/BuildCraftCore.java b/common/buildcraft/BuildCraftCore.java
index ecbf1345..312d6d41 100644
--- a/common/buildcraft/BuildCraftCore.java
+++ b/common/buildcraft/BuildCraftCore.java
@@ -141,6 +141,8 @@ public class BuildCraftCore extends BuildCraftMod {
 	public static boolean modifyWorld = false;
 	public static boolean colorBlindMode = false;
 	public static boolean dropBrokenBlocks = true; // Set to false to prevent the filler from dropping broken blocks.
+	public static boolean hidePowerNumbers = false;
+	public static boolean hideFluidNumbers = false;
 	public static int itemLifespan = 1200;
 	public static int updateFactor = 10;
 	public static long longUpdateFactor = 40;
@@ -259,6 +261,14 @@ public class BuildCraftCore extends BuildCraftMod {
 			Property dropBlock = BuildCraftCore.mainConfiguration.get(Configuration.CATEGORY_GENERAL, "dropBrokenBlocks", true);
 			dropBlock.comment = "set to false to prevent fillers from dropping blocks.";
 			dropBrokenBlocks = dropBlock.getBoolean(true);
+			
+			Property hideRFNumbers = BuildCraftCore.mainConfiguration.get(Configuration.CATEGORY_GENERAL, "hidePowerNumbers", false);
+			hideRFNumbers.comment = "set to true to not display any RF or RF/t numbers.";
+			hidePowerNumbers = hideRFNumbers.getBoolean(false);
+			
+			Property hideMBNumbers = BuildCraftCore.mainConfiguration.get(Configuration.CATEGORY_GENERAL, "hideFluidNumbers", false);
+			hideMBNumbers.comment = "set to true to not display any mB or mB/t numbers.";
+			hideFluidNumbers = hideMBNumbers.getBoolean(false);
 
 			Property lifespan = BuildCraftCore.mainConfiguration.get(Configuration.CATEGORY_GENERAL, "itemLifespan", itemLifespan);
 			lifespan.comment = "the lifespan in ticks of items dropped on the ground by pipes and machines, vanilla = 6000, default = 1200";
diff --git a/common/buildcraft/energy/gui/GuiEngine.java b/common/buildcraft/energy/gui/GuiEngine.java
index 59aa0016..4ba8e562 100644
--- a/common/buildcraft/energy/gui/GuiEngine.java
+++ b/common/buildcraft/energy/gui/GuiEngine.java
@@ -76,6 +76,7 @@ public abstract class GuiEngine extends GuiBuildCraft {
 	@Override
 	protected void initLedgers(IInventory inventory) {
 		super.initLedgers(inventory);
-		ledgerManager.add(new EngineLedger((TileEngine) tile));
+		if(!BuildCraftCore.hidePowerNumbers)
+			ledgerManager.add(new EngineLedger((TileEngine) tile));
 	}
 }
diff --git a/common/buildcraft/silicon/gui/GuiAssemblyTable.java b/common/buildcraft/silicon/gui/GuiAssemblyTable.java
index 288c28c3..5a1e360e 100644
--- a/common/buildcraft/silicon/gui/GuiAssemblyTable.java
+++ b/common/buildcraft/silicon/gui/GuiAssemblyTable.java
@@ -184,6 +184,7 @@ public class GuiAssemblyTable extends GuiAdvancedInterface {
 	@Override
 	protected void initLedgers(IInventory inventory) {
 		super.initLedgers(inventory);
-		ledgerManager.add(new LaserTableLedger());
+		if(!BuildCraftCore.hidePowerNumbers)
+			ledgerManager.add(new LaserTableLedger());
 	}
 }
diff --git a/common/buildcraft/silicon/gui/GuiLaserTable.java b/common/buildcraft/silicon/gui/GuiLaserTable.java
index 0c6c8321..7005878c 100644
--- a/common/buildcraft/silicon/gui/GuiLaserTable.java
+++ b/common/buildcraft/silicon/gui/GuiLaserTable.java
@@ -81,6 +81,7 @@ public abstract class GuiLaserTable extends GuiBuildCraft {
 	@Override
 	protected void initLedgers(IInventory inventory) {
 		super.initLedgers(inventory);
-		ledgerManager.add(new LaserTableLedger());
+		if(!BuildCraftCore.hidePowerNumbers)
+			ledgerManager.add(new LaserTableLedger());
 	}
 }
diff --git a/common/buildcraft/transport/PipeToolTipManager.java b/common/buildcraft/transport/PipeToolTipManager.java
index a32f9495..8c288e55 100644
--- a/common/buildcraft/transport/PipeToolTipManager.java
+++ b/common/buildcraft/transport/PipeToolTipManager.java
@@ -17,7 +17,7 @@ import net.minecraft.client.gui.GuiScreen;
 
 import cpw.mods.fml.relauncher.Side;
 import cpw.mods.fml.relauncher.SideOnly;
-
+import buildcraft.BuildCraftCore;
 import buildcraft.core.utils.StringUtils;
 
 @SideOnly(Side.CLIENT)
@@ -26,13 +26,17 @@ public final class PipeToolTipManager {
 	private static final Map<Class<? extends Pipe<?>>, String> toolTips = new HashMap<Class<? extends Pipe<?>>, String>();
 
 	static {
-		for (Map.Entry<Class<? extends Pipe<?>>, Integer> pipe : PipeTransportPower.powerCapacities.entrySet()) {
-			PipeToolTipManager.addToolTip(pipe.getKey(), String.format("%d RF/t", pipe.getValue()));
+		if(!BuildCraftCore.hidePowerNumbers) {
+			for (Map.Entry<Class<? extends Pipe<?>>, Integer> pipe : PipeTransportPower.powerCapacities.entrySet()) {
+				PipeToolTipManager.addToolTip(pipe.getKey(), String.format("%d RF/t", pipe.getValue()));
+			}
 		}
 
-        for (Map.Entry<Class<? extends Pipe<?>>, Integer> pipe : PipeTransportFluids.fluidCapacities.entrySet()) {
-            PipeToolTipManager.addToolTip(pipe.getKey(), String.format("%d mB/t", pipe.getValue()));
-        }
+		if(!BuildCraftCore.hideFluidNumbers) {
+	        for (Map.Entry<Class<? extends Pipe<?>>, Integer> pipe : PipeTransportFluids.fluidCapacities.entrySet()) {
+	            PipeToolTipManager.addToolTip(pipe.getKey(), String.format("%d mB/t", pipe.getValue()));
+	        }
+		}
 	}
 
 	/**