diff --git a/carts/tank_cart.lua b/carts/tank_cart.lua
index cbb1db1..48796b4 100644
--- a/carts/tank_cart.lua
+++ b/carts/tank_cart.lua
@@ -21,7 +21,7 @@ local Pipe = techage.LiquidPipe
 local MP = minetest.get_modpath("minecart")
 
 local liquid = networks.liquid
-local CAPACITY = 100
+local CAPACITY = 200
 
 local function on_rightclick(pos, node, clicker)
 	if clicker and clicker:is_player() then
diff --git a/doc/manual_DE.lua b/doc/manual_DE.lua
index fa66c04..179277a 100644
--- a/doc/manual_DE.lua
+++ b/doc/manual_DE.lua
@@ -979,7 +979,7 @@ techage.manual_DE.aText = {
   "\n",
   "Der Tankwagen dient zum Transport von Flüssigkeiten. Es kann wie Tanks mit Pumpen gefüllt bzw. geleert werden.  In beiden Fällen muss die gelbe Röhre von oben mit dem Tankwagen verbunden werden.\n"..
   "\n"..
-  "In den Tankwagen passen 100 Einheiten.\n"..
+  "In den Tankwagen passen 200 Einheiten.\n"..
   "\n"..
   "\n"..
   "\n",
diff --git a/doc/manual_EN.lua b/doc/manual_EN.lua
index 1ee02ff..5dbd32a 100644
--- a/doc/manual_EN.lua
+++ b/doc/manual_EN.lua
@@ -983,7 +983,7 @@ techage.manual_EN.aText = {
   "\n",
   "The tank truck is used to transport liquids. Like tanks\\, it can be filled with pumps or emptied. In both cases\\, the yellow tube must be connected to the tank truck from above.\n"..
   "\n"..
-  "100 units fit in the tank truck.\n"..
+  "200 units fit in the tank truck.\n"..
   "\n"..
   "\n"..
   "\n",
diff --git a/manuals/manual_ta3_DE.md b/manuals/manual_ta3_DE.md
index f62b3f3..cbe56b0 100644
--- a/manuals/manual_ta3_DE.md
+++ b/manuals/manual_ta3_DE.md
@@ -440,7 +440,7 @@ Damit die Minecarts automatisch wieder starten, müssen die Prellböcke mit Stat
 
 Der Tankwagen dient zum Transport von Flüssigkeiten. Es kann wie Tanks mit Pumpen gefüllt bzw. geleert werden.  In beiden Fällen muss die gelbe Röhre von oben mit dem Tankwagen verbunden werden.
 
-In den Tankwagen passen 100 Einheiten.
+In den Tankwagen passen 200 Einheiten.
 
 [tank_cart|image]
 
diff --git a/manuals/manual_ta3_EN.md b/manuals/manual_ta3_EN.md
index b440e5f..3037dff 100644
--- a/manuals/manual_ta3_EN.md
+++ b/manuals/manual_ta3_EN.md
@@ -441,7 +441,7 @@ For the Minecarts to start again automatically, the bumper blocks must be config
 
 The tank truck is used to transport liquids. Like tanks, it can be filled with pumps or emptied. In both cases, the yellow tube must be connected to the tank truck from above.
 
-100 units fit in the tank truck.
+200 units fit in the tank truck.
 
 [tank_cart | image]