diff --git a/Generic Vehicles/Declaration Mode/Class2_RigidTruck_4x2/Engine_175kW_6.8l.veng b/Generic Vehicles/Declaration Mode/Class2_RigidTruck_4x2/Engine_175kW_6.8l.veng
index f10c2b595f3e0d850b503dcc6a99ed8574396aa5..0f15f912ab82372c2d896b8af8f2b0e57b062d96 100644
--- a/Generic Vehicles/Declaration Mode/Class2_RigidTruck_4x2/Engine_175kW_6.8l.veng	
+++ b/Generic Vehicles/Declaration Mode/Class2_RigidTruck_4x2/Engine_175kW_6.8l.veng	
@@ -13,9 +13,9 @@
     "Inertia": 3.56517,
     "FullLoadCurve": "175kW.vfld",
     "FuelMap": "175kW.vmap",
-    "WHTC-Urban": 1.0,
-    "WHTC-Rural": 1.0,
-    "WHTC-Motorway": 1.0,
+    "WHTC-Urban": 1.04,
+    "WHTC-Rural": 1.01,
+    "WHTC-Motorway": 1.00,
     "ColdHotBalancingFactor": 1.0
   }
 }
\ No newline at end of file
diff --git a/Generic Vehicles/Declaration Mode/Class5_Tractor_4x2/Engine_325kW_12.7l.veng b/Generic Vehicles/Declaration Mode/Class5_Tractor_4x2/Engine_325kW_12.7l.veng
index 55a5ee68a38761cf48c6383aa641ab425eee9b6e..4bdfc0cdfcdcc4fd2b19f656c1e37cad41fa648d 100644
--- a/Generic Vehicles/Declaration Mode/Class5_Tractor_4x2/Engine_325kW_12.7l.veng	
+++ b/Generic Vehicles/Declaration Mode/Class5_Tractor_4x2/Engine_325kW_12.7l.veng	
@@ -13,9 +13,9 @@
     "Inertia": 5.1498,
     "FullLoadCurve": "325kW.vfld",
     "FuelMap": "325kW.vmap",
-    "WHTC-Urban": 1.0,
-    "WHTC-Rural": 1.0,
-    "WHTC-Motorway": 1.0,
+    "WHTC-Urban": 1.04,
+    "WHTC-Rural": 1.01,
+    "WHTC-Motorway": 1.00,
     "ColdHotBalancingFactor": 1.0
   }
 }
\ No newline at end of file