diff --git a/changelog.txt b/changelog.txt
index 615ca0ac..7bd2462a 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,4 +1,9 @@
 ---------------------------------------------------------------------------------------------------
+Version: 3.1.4
+Date: ????
+  Changes:
+    - Removed speed cap on vanilla locomotive, cargo wagon, and fluid wagon
+---------------------------------------------------------------------------------------------------
 Version: 3.1.3
 Date: 2026-07-16
   Changes:
diff --git a/info.json b/info.json
index 5a84e443..8a8383d7 100644
--- a/info.json
+++ b/info.json
@@ -1,6 +1,6 @@
 {
     "name": "pycoalprocessing",
-    "version": "3.1.3",
+    "version": "3.1.4",
     "factorio_version": "2.1",
     "title": "Pyanodons Coal Processing",
     "author": "Pyanodon, Nexela, Kingarthur, notnotmelon, Mootykins, ShadowGlass, Archezekiel, Quintuple, przemo1232, protocol_1903",
diff --git a/prototypes/updates/entity-updates.lua b/prototypes/updates/entity-updates.lua
index 3965cd78..0ef239ef 100644
--- a/prototypes/updates/entity-updates.lua
+++ b/prototypes/updates/entity-updates.lua
@@ -139,6 +139,9 @@ data.raw.car.tank.energy_source.burnt_inventory_size = data.raw.car.tank.energy_
 data.raw.locomotive.locomotive.energy_source.fuel_category = nil
 data.raw.locomotive.locomotive.energy_source.fuel_categories = {"chemical", "biomass"}
 data.raw.locomotive.locomotive.energy_source.burnt_inventory_size = data.raw.locomotive.locomotive.energy_source.fuel_inventory_size
+data.raw.locomotive.locomotive.max_speed = nil
+data.raw["cargo-wagon"]["cargo-wagon"].max_speed = nil
+data.raw["fluid-wagon"]["fluid-wagon"].max_speed = nil
 
 data.raw.inserter["burner-inserter"].filter_count = 1
 data.raw.inserter["inserter"].filter_count = 2