diff --git a/data/json/recipes/other/vehicles.json b/data/json/recipes/other/vehicles.json
index 1669ae7c0ccb..13888fb50b94 100644
--- a/data/json/recipes/other/vehicles.json
+++ b/data/json/recipes/other/vehicles.json
@@ -26,104 +26,29 @@
   },
   {
     "type": "recipe",
-    "result": "small_turbine_engine",
+    "result": "pump_complex",
     "category": "CC_OTHER",
     "subcategory": "CSC_OTHER_VEHICLE",
-    "skill_used": "fabrication",
-    "difficulty": 7,
-    "time": "12 h",
-    "reversible": true,
+    "skill_used": "mechanics",
+    "difficulty": 5,
+    "time": "6 h",
     "decomp_learn": 2,
     "book_learn": [ [ "book_icef", 5 ] ],
     "using": [ [ "welding_standard", 20 ] ],
     "qualities": [
-      { "id": "HAMMER", "level": 3 },
-      { "id": "HAMMER_FINE", "level": 1 },
-      { "id": "SAW_M_FINE", "level": 1 },
-      { "id": "SAW_M", "level": 1 },
-      { "id": "SCREW_FINE", "level": 1 },
-      { "id": "WRENCH_FINE", "level": 1 },
-      { "id": "SCREW", "level": 1 }
-    ],
-    "components": [
-      [ [ "drivebelt", 2 ] ],
-      [ [ "motor_oil", 10000 ] ],
-      [ [ "engine_block_medium", 1 ] ],
-      [ [ "alloy_plate", 2 ] ],
-      [ [ "motor_small", 1 ] ],
-      [ [ "pump_complex", 1 ] ],
-      [ [ "chain", 2 ] ],
-      [ [ "cable", 100 ] ]
-    ],
-    "skills_required": [ [ "mechanics", 7 ] ]
-  },
-  {
-    "type": "recipe",
-    "result": "medium_turbine_engine",
-    "category": "CC_OTHER",
-    "subcategory": "CSC_OTHER_VEHICLE",
-    "skill_used": "fabrication",
-    "difficulty": 8,
-    "time": "18 h",
-    "reversible": true,
-    "decomp_learn": 2,
-    "book_learn": [ [ "book_icef", 6 ] ],
-    "using": [ [ "welding_standard", 20 ] ],
-    "qualities": [
-      { "id": "HAMMER", "level": 3 },
-      { "id": "HAMMER_FINE", "level": 1 },
       { "id": "SAW_M_FINE", "level": 1 },
       { "id": "SAW_M", "level": 1 },
       { "id": "SCREW_FINE", "level": 1 },
-      { "id": "WRENCH_FINE", "level": 1 },
       { "id": "SCREW", "level": 1 }
     ],
     "components": [
-      [ [ "drivebelt", 3 ] ],
-      [ [ "motor_oil", 15000 ] ],
-      [ [ "engine_block_large", 1 ] ],
-      [ [ "alloy_plate", 3 ] ],
-      [ [ "motor_small", 1 ] ],
-      [ [ "pump_complex", 1 ] ],
-      [ [ "chain", 2 ] ],
-      [ [ "power_supply", 1 ] ],
-      [ [ "cable", 150 ] ]
+      [ [ "steel_lump", 5 ] ],
+      [ [ "cu_pipe", 1 ] ],
+      [ [ "chunk_rubber", 3 ] ],
+      [ [ "scrap", 30 ] ],
+      [ [ "copper", 100 ] ]
     ],
-    "skills_required": [ [ "mechanics", 8 ] ]
-  },
-  {
-    "type": "recipe",
-    "result": "large_turbine_engine",
-    "category": "CC_OTHER",
-    "subcategory": "CSC_OTHER_VEHICLE",
-    "skill_used": "fabrication",
-    "difficulty": 10,
-    "time": "24 h",
-    "reversible": true,
-    "decomp_learn": 2,
-    "book_learn": [ [ "book_icef", 7 ] ],
-    "using": [ [ "welding_standard", 20 ] ],
-    "qualities": [
-      { "id": "HAMMER", "level": 3 },
-      { "id": "HAMMER_FINE", "level": 1 },
-      { "id": "SAW_M_FINE", "level": 1 },
-      { "id": "SAW_M", "level": 1 },
-      { "id": "SCREW_FINE", "level": 1 },
-      { "id": "WRENCH_FINE", "level": 1 },
-      { "id": "SCREW", "level": 1 }
-    ],
-    "components": [
-      [ [ "drivebelt", 2 ] ],
-      [ [ "motor_oil", 25000 ] ],
-      [ [ "engine_block_massive", 1 ] ],
-      [ [ "alloy_plate", 6 ] ],
-      [ [ "motor_small", 2 ] ],
-      [ [ "pump_complex", 1 ] ],
-      [ [ "chain", 3 ] ],
-      [ [ "power_supply", 2 ] ],
-      [ [ "cable", 200 ] ]
-    ],
-    "skills_required": [ [ "mechanics", 10 ] ]
+    "skills_required": [ [ "fabrication", 5 ] ]
   },
   {
     "type": "recipe",
@@ -206,11 +131,11 @@
     "category": "CC_OTHER",
     "subcategory": "CSC_OTHER_VEHICLE",
     "skill_used": "mechanics",
-    "difficulty": 8,
+    "difficulty": 10,
     "time": "6 h",
     "reversible": true,
     "decomp_learn": 2,
-    "book_learn": [ [ "textbook_mechanics", 5 ], [ "book_icef", 5 ] ],
+    "book_learn": [ [ "textbook_mechanics", 9 ], [ "book_icef", 9 ] ],
     "qualities": [ { "id": "SCREW_FINE", "level": 1 }, { "id": "WRENCH_FINE", "level": 1 }, { "id": "SCREW", "level": 1 } ],
     "components": [
       [ [ "drivebelt", 2 ] ],
@@ -234,11 +159,11 @@
     "category": "CC_OTHER",
     "subcategory": "CSC_OTHER_VEHICLE",
     "skill_used": "mechanics",
-    "difficulty": 7,
-    "time": "5 h",
+    "difficulty": 8,
+    "time": "6 h",
     "reversible": true,
     "decomp_learn": 2,
-    "book_learn": [ [ "textbook_mechanics", 5 ], [ "book_icef", 5 ] ],
+    "book_learn": [ [ "textbook_mechanics", 8 ], [ "book_icef", 8 ] ],
     "qualities": [ { "id": "SCREW_FINE", "level": 1 }, { "id": "WRENCH_FINE", "level": 1 }, { "id": "SCREW", "level": 1 } ],
     "components": [
       [ [ "drivebelt", 2 ] ],
@@ -263,7 +188,7 @@
     "subcategory": "CSC_OTHER_VEHICLE",
     "skill_used": "mechanics",
     "difficulty": 6,
-    "time": "4 h",
+    "time": "6 h",
     "reversible": true,
     "decomp_learn": 2,
     "book_learn": [ [ "textbook_mechanics", 5 ], [ "book_icef", 5 ] ],
@@ -291,7 +216,7 @@
     "subcategory": "CSC_OTHER_VEHICLE",
     "skill_used": "mechanics",
     "difficulty": 5,
-    "time": "3 h",
+    "time": "4 h",
     "reversible": true,
     "decomp_learn": 2,
     "book_learn": [ [ "textbook_mechanics", 5 ], [ "book_icef", 5 ] ],
@@ -318,11 +243,11 @@
     "category": "CC_OTHER",
     "subcategory": "CSC_OTHER_VEHICLE",
     "skill_used": "mechanics",
-    "difficulty": 8,
+    "difficulty": 10,
     "time": "6 h",
     "reversible": true,
     "decomp_learn": 2,
-    "book_learn": [ [ "textbook_biodiesel", 5 ], [ "book_icef", 5 ] ],
+    "book_learn": [ [ "textbook_biodiesel", 9 ], [ "book_icef", 10 ] ],
     "qualities": [ { "id": "SCREW_FINE", "level": 1 }, { "id": "WRENCH_FINE", "level": 1 }, { "id": "SCREW", "level": 1 } ],
     "components": [
       [ [ "drivebelt", 2 ] ],
@@ -348,11 +273,11 @@
     "category": "CC_OTHER",
     "subcategory": "CSC_OTHER_VEHICLE",
     "skill_used": "mechanics",
-    "difficulty": 7,
-    "time": "5 h",
+    "difficulty": 8,
+    "time": "6 h",
     "reversible": true,
     "decomp_learn": 2,
-    "book_learn": [ [ "textbook_biodiesel", 5 ], [ "book_icef", 5 ] ],
+    "book_learn": [ [ "textbook_biodiesel", 7 ], [ "book_icef", 8 ] ],
     "qualities": [ { "id": "SCREW_FINE", "level": 1 }, { "id": "WRENCH_FINE", "level": 1 }, { "id": "SCREW", "level": 1 } ],
     "components": [
       [ [ "drivebelt", 2 ] ],
@@ -379,10 +304,10 @@
     "subcategory": "CSC_OTHER_VEHICLE",
     "skill_used": "mechanics",
     "difficulty": 6,
-    "time": "4 h",
+    "time": "6 h",
     "reversible": true,
     "decomp_learn": 2,
-    "book_learn": [ [ "textbook_biodiesel", 5 ], [ "book_icef", 5 ] ],
+    "book_learn": [ [ "textbook_biodiesel", 5 ], [ "book_icef", 7 ] ],
     "qualities": [ { "id": "SCREW_FINE", "level": 1 }, { "id": "WRENCH_FINE", "level": 1 }, { "id": "SCREW", "level": 1 } ],
     "components": [
       [ [ "drivebelt", 2 ] ],