diff --git a/OpenRA.Game/Traits/Mobile.cs b/OpenRA.Game/Traits/Mobile.cs
index 6945f7535c..0f2d576e36 100644
--- a/OpenRA.Game/Traits/Mobile.cs
+++ b/OpenRA.Game/Traits/Mobile.cs
@@ -10,12 +10,10 @@
 
 using System;
 using System.Collections.Generic;
+using System.Drawing;
 using System.Linq;
 using OpenRA.Effects;
 using OpenRA.Traits.Activities;
-using OpenRA.FileFormats;
-using System.Drawing;
-using OpenRA.Support;
 
 namespace OpenRA.Traits
 {
diff --git a/OpenRA.Mods.RA/Crate.cs b/OpenRA.Mods.RA/Crate.cs
index d5f47cb5c5..3ba660829f 100644
--- a/OpenRA.Mods.RA/Crate.cs
+++ b/OpenRA.Mods.RA/Crate.cs
@@ -36,7 +36,7 @@ namespace OpenRA.Mods.RA
 	}
 
 	// ITeleportable is required for paradrop
-	class Crate : ITick, IOccupySpace, ITeleportable
+	class Crate : ITick, IOccupySpace, ITeleportable, ICrushable
 	{
 		readonly Actor self;
 		[Sync]
@@ -53,9 +53,10 @@ namespace OpenRA.Mods.RA
 			this.Info = info;
 		}
 
-		public void OnCollected(Actor crusher)
+		public void OnCrush(Actor crusher)
 		{
-			var shares = self.traits.WithInterface<CrateAction>().Select(a => Pair.New(a, a.GetSelectionShares(crusher)));
+			var shares = self.traits.WithInterface<CrateAction>().Select(
+				a => Pair.New(a, a.GetSelectionShares(crusher)));
 			var totalShares = shares.Sum(a => a.Second);
 			var n = self.World.SharedRandom.Next(totalShares);
 
@@ -73,13 +74,6 @@ namespace OpenRA.Mods.RA
 		public void Tick(Actor self)
 		{
 			var cell = Util.CellContaining(self.CenterLocation);
-			var collector = self.World.WorldActor.traits.Get<UnitInfluence>().GetUnitsAt(cell).FirstOrDefault();
-			if (collector != null)
-			{
-				OnCollected(collector);
-				return;
-			}
-
 			if (++ticks >= self.Info.Traits.Get<CrateInfo>().Lifetime * 25)
 				self.World.AddFrameEndTask(w => w.Remove(self));
 
@@ -89,8 +83,7 @@ namespace OpenRA.Mods.RA
 		}
 
 		public int2 TopLeft { get { return Location; } }
-		int2[] noCells = new int2[] { };
-		public IEnumerable<int2> OccupiedCells() { return noCells; }
+		public IEnumerable<int2> OccupiedCells() { return new int2[] { Location }; }
 
 		public bool CanEnterCell(int2 cell)
 		{
@@ -104,5 +97,7 @@ namespace OpenRA.Mods.RA
 			Location = cell;
 			self.CenterLocation = Util.CenterOfCell(cell);
 		}
+
+		public IEnumerable<string> CrushClasses { get { yield return "crate"; } }
 	}
 }
diff --git a/mods/cnc/defaults.yaml b/mods/cnc/defaults.yaml
index a154f8d657..0ed0421a21 100644
--- a/mods/cnc/defaults.yaml
+++ b/mods/cnc/defaults.yaml
@@ -3,6 +3,7 @@
 	Unit:
 		ROT: 5
 	Mobile:
+		Crushes: crate
 		TerrainTypes: Clear, Rough, Road, Tree, Water, Rock, Wall, Ore, Beach, River
 		TerrainSpeeds: 60%, 40%, 100%, 0%, 0%, 0%, 0%, 50%, 40%, 0%
 	Selectable: 
@@ -23,7 +24,7 @@
 	Unit:
 		ROT: 5
 	Mobile:
-		Crushes: wall
+		Crushes: wall, crate
 		TerrainTypes: Clear, Rough, Road, Tree, Water, Rock, Wall, Ore, Beach, River
 		TerrainSpeeds: 80%, 70%, 100%, 0%, 0%, 0%, 0%, 70%, 70%, 0%
 	Selectable: 
@@ -61,6 +62,7 @@
 	RevealsShroud:
 		Range: 4
 	Mobile:
+		Crushes: crate
 		TerrainTypes: Clear, Rough, Road, Tree, Water, Rock, Wall, Ore, Beach, River
 		TerrainSpeeds: 90%, 80%, 100%, 0%, 0%, 0%, 0%, 90%, 80%, 0%
 	Selectable:
diff --git a/mods/ra/defaults.yaml b/mods/ra/defaults.yaml
index 7c0b8be043..0dd56c5636 100644
--- a/mods/ra/defaults.yaml
+++ b/mods/ra/defaults.yaml
@@ -3,7 +3,7 @@
 	Unit:
 		ROT: 5
 	Mobile:
-		Crushes: atmine
+		Crushes: atmine, crate
 		TerrainTypes: Clear, Rough, Road, Tree, Water, Rock, Wall, Ore, Beach, River
 		TerrainSpeeds: 60%, 40%, 100%, 0%, 0%, 0%, 0%, 90%, 40%, 0%
 	Selectable: 
@@ -24,7 +24,7 @@
 	Unit:
 		ROT: 5
 	Mobile:
-		Crushes: wall, atmine
+		Crushes: wall, atmine, crate
 		TerrainTypes: Clear, Rough, Road, Tree, Water, Rock, Wall, Ore, Beach, River
 		TerrainSpeeds: 80%, 70%, 100%, 0%, 0%, 0%, 0%, 90%, 70%, 0%
 	Selectable: 
@@ -47,7 +47,7 @@
 	RevealsShroud:
 		Range: 4
 	Mobile:
-		Crushes: apmine
+		Crushes: apmine, crate
 		TerrainTypes: Clear, Rough, Road, Tree, Water, Rock, Wall, Ore, Beach, River
 		TerrainSpeeds: 90%, 80%, 100%, 0%, 0%, 0%, 0%, 100%, 80%, 0%
 	Selectable:
@@ -67,6 +67,7 @@
 	Category: Ship
 	Unit:
 	Mobile:
+		Crushes: crate
 		TerrainTypes: Clear, Rough, Road, Tree, Water, Rock, Wall, Ore, Beach, River
 		TerrainSpeeds: 0%, 0%, 0%, 0%, 100%, 0%, 0%, 0%, 0%, 0%
 	Selectable: