diff --git a/modules/internal/cargo_rack.json b/modules/internal/cargo_rack.json
index d59fee3..259bb0d 100644
--- a/modules/internal/cargo_rack.json
+++ b/modules/internal/cargo_rack.json
@@ -9,6 +9,7 @@
       "grp": "cr",
       "id": "00",
       "rating": "E",
+      "mass": 0,
       "symbol": "Int_CargoRack_Size1_Class1"
     },
     {
@@ -20,6 +21,7 @@
       "grp": "cr",
       "id": "01",
       "rating": "E",
+      "mass": 0,
       "symbol": "Int_CargoRack_Size2_Class1"
     },
     {
@@ -31,6 +33,7 @@
       "grp": "cr",
       "id": "02",
       "rating": "E",
+      "mass": 0,
       "symbol": "Int_CargoRack_Size3_Class1"
     },
     {
@@ -42,6 +45,7 @@
       "grp": "cr",
       "id": "03",
       "rating": "E",
+      "mass": 0,
       "symbol": "Int_CargoRack_Size4_Class1"
     },
     {
@@ -53,6 +57,7 @@
       "grp": "cr",
       "id": "04",
       "rating": "E",
+      "mass": 0,
       "symbol": "Int_CargoRack_Size5_Class1"
     },
     {
@@ -64,6 +69,7 @@
       "grp": "cr",
       "id": "05",
       "rating": "E",
+      "mass": 0,
       "symbol": "Int_CargoRack_Size6_Class1"
     },
     {
@@ -75,6 +81,7 @@
       "grp": "cr",
       "id": "06",
       "rating": "E",
+      "mass": 0,
       "symbol": "Int_CargoRack_Size7_Class1"
     },
     {
@@ -86,6 +93,7 @@
       "grp": "cr",
       "id": "07",
       "rating": "E",
+      "mass": 0,
       "symbol": "Int_CargoRack_Size8_Class1"
     },
     {
@@ -98,6 +106,7 @@
       "id": "1w",
       "name": "Corrosion Resistant",
       "rating": "E",
+      "mass": 0,
       "symbol": "Int_CorrosionProofCargoRack_Size1_Class1"
     },
     {
@@ -110,6 +119,7 @@
       "id": "1y",
       "name": "Corrosion Resistant",
       "rating": "F",
+      "mass": 0,
       "symbol": "Int_CorrosionProofCargoRack_Size1_Class2"
     },
     {
@@ -122,6 +132,7 @@
       "id": "0V",
       "name": "Corrosion Resistant",
       "rating": "F",
+      "mass": 0,
       "symbol": "Int_CorrosionProofCargoRack_Size2_Class1"
     },
     {
@@ -134,6 +145,7 @@
       "id": "0W",
       "name": "Corrosion Resistant",
       "rating": "E",
+      "mass": 0,
       "symbol": "Int_CorrosionProofCargoRack_Size4_Class1"
     }
   ]
diff --git a/modules/standard/fuel_tank.json b/modules/standard/fuel_tank.json
index b35a926..195c47c 100644
--- a/modules/standard/fuel_tank.json
+++ b/modules/standard/fuel_tank.json
@@ -6,6 +6,7 @@
       "edID": 128064346,
       "eddbID": 1199,
       "fuel": 2,
+      "mass": 0,
       "grp": "ft",
       "id": "f1",
       "rating": "C",
@@ -17,6 +18,7 @@
       "edID": 128064347,
       "eddbID": 1200,
       "fuel": 4,
+      "mass": 0,
       "grp": "ft",
       "id": "f2",
       "rating": "C",
@@ -28,6 +30,7 @@
       "edID": 128064348,
       "eddbID": 1201,
       "fuel": 8,
+      "mass": 0,
       "grp": "ft",
       "id": "f3",
       "rating": "C",
@@ -39,6 +42,7 @@
       "edID": 128064349,
       "eddbID": 1202,
       "fuel": 16,
+      "mass": 0,
       "grp": "ft",
       "id": "f4",
       "rating": "C",
@@ -50,6 +54,7 @@
       "edID": 128064350,
       "eddbID": 1203,
       "fuel": 32,
+      "mass": 0,
       "grp": "ft",
       "id": "f5",
       "rating": "C",
@@ -61,6 +66,7 @@
       "edID": 128064351,
       "eddbID": 1204,
       "fuel": 64,
+      "mass": 0,
       "grp": "ft",
       "id": "f6",
       "rating": "C",
@@ -72,6 +78,7 @@
       "edID": 128064352,
       "eddbID": 1205,
       "fuel": 128,
+      "mass": 0,
       "grp": "ft",
       "id": "f7",
       "rating": "C",
@@ -83,6 +90,7 @@
       "edID": 128064353,
       "eddbID": 1206,
       "fuel": 256,
+      "mass": 0,
       "grp": "ft",
       "id": "f8",
       "rating": "C",