diff --git a/src/lang/english_US.txt b/src/lang/english_US.txt
--- a/src/lang/english_US.txt
+++ b/src/lang/english_US.txt
@@ -248,6 +248,17 @@ STR_TOOLTIP_VSCROLL_BAR_SCROLLS_LIST    
 STR_TOOLTIP_HSCROLL_BAR_SCROLLS_LIST                            :{BLACK}Scroll bar - scrolls list left/right
 STR_TOOLTIP_DEMOLISH_BUILDINGS_ETC                              :{BLACK}Demolish buildings etc. on a square of land. Ctrl selects the area diagonally. Shift toggles building/showing cost estimate
 
+# Show engines button
+STR_SHOW_HIDDEN_ENGINES_VEHICLE_TRAIN                           :{BLACK}Show hidden
+STR_SHOW_HIDDEN_ENGINES_VEHICLE_ROAD_VEHICLE                    :{BLACK}Show hidden
+STR_SHOW_HIDDEN_ENGINES_VEHICLE_SHIP                            :{BLACK}Show hidden
+STR_SHOW_HIDDEN_ENGINES_VEHICLE_AIRCRAFT                        :{BLACK}Show hidden
+
+STR_SHOW_HIDDEN_ENGINES_VEHICLE_TRAIN_TOOLTIP                   :{BLACK}By enabling this button, the hidden train vehicles are also displayed
+STR_SHOW_HIDDEN_ENGINES_VEHICLE_ROAD_VEHICLE_TOOLTIP            :{BLACK}By enabling this button, the hidden road vehicles are also displayed
+STR_SHOW_HIDDEN_ENGINES_VEHICLE_SHIP_TOOLTIP                    :{BLACK}By enabling this button, the hidden ships are also displayed
+STR_SHOW_HIDDEN_ENGINES_VEHICLE_AIRCRAFT_TOOLTIP                :{BLACK}By enabling this button, the hidden aircraft are also displayed
+
 # Query window
 STR_BUTTON_DEFAULT                                              :{BLACK}Default
 STR_BUTTON_CANCEL                                               :{BLACK}Cancel
@@ -3365,10 +3376,10 @@ STR_PURCHASE_INFO_ALL_BUT               
 STR_PURCHASE_INFO_MAX_TE                                        :{BLACK}Max. Tractive Effort: {GOLD}{FORCE}
 STR_PURCHASE_INFO_AIRCRAFT_RANGE                                :{BLACK}Range: {GOLD}{COMMA} tiles
 
-STR_BUY_VEHICLE_TRAIN_LIST_TOOLTIP                              :{BLACK}Train vehicle selection list - click on vehicle for information
-STR_BUY_VEHICLE_ROAD_VEHICLE_LIST_TOOLTIP                       :{BLACK}Road vehicle selection list - click on vehicle for information
-STR_BUY_VEHICLE_SHIP_LIST_TOOLTIP                               :{BLACK}Ship selection list - click on ship for information
-STR_BUY_VEHICLE_AIRCRAFT_LIST_TOOLTIP                           :{BLACK}Aircraft selection list - click on aircraft for information
+STR_BUY_VEHICLE_TRAIN_LIST_TOOLTIP                              :{BLACK}Train vehicle selection list. Click on vehicle for information. Ctrl+Click to toggle hiding of the vehicle type
+STR_BUY_VEHICLE_ROAD_VEHICLE_LIST_TOOLTIP                       :{BLACK}Road vehicle selection list. Click on vehicle for information. Ctrl+Click to toggle hiding of the vehicle type
+STR_BUY_VEHICLE_SHIP_LIST_TOOLTIP                               :{BLACK}Ship selection list. Click on ship for information. Ctrl+Click to toggle hiding of the ship type
+STR_BUY_VEHICLE_AIRCRAFT_LIST_TOOLTIP                           :{BLACK}Aircraft selection list. Click on aircraft for information. Ctrl+Click to toggle hiding of the aircraft type
 
 STR_BUY_VEHICLE_TRAIN_BUY_VEHICLE_BUTTON                        :{BLACK}Buy Vehicle
 STR_BUY_VEHICLE_ROAD_VEHICLE_BUY_VEHICLE_BUTTON                 :{BLACK}Buy Vehicle
@@ -3390,6 +3401,21 @@ STR_BUY_VEHICLE_ROAD_VEHICLE_RENAME_TOOL
 STR_BUY_VEHICLE_SHIP_RENAME_TOOLTIP                             :{BLACK}Rename ship type
 STR_BUY_VEHICLE_AIRCRAFT_RENAME_TOOLTIP                         :{BLACK}Rename aircraft type
 
+STR_BUY_VEHICLE_TRAIN_HIDE_TOGGLE_BUTTON                        :{BLACK}Hide
+STR_BUY_VEHICLE_ROAD_VEHICLE_HIDE_TOGGLE_BUTTON                 :{BLACK}Hide
+STR_BUY_VEHICLE_SHIP_HIDE_TOGGLE_BUTTON                         :{BLACK}Hide
+STR_BUY_VEHICLE_AIRCRAFT_HIDE_TOGGLE_BUTTON                     :{BLACK}Hide
+
+STR_BUY_VEHICLE_TRAIN_SHOW_TOGGLE_BUTTON                        :{BLACK}Display
+STR_BUY_VEHICLE_ROAD_VEHICLE_SHOW_TOGGLE_BUTTON                 :{BLACK}Display
+STR_BUY_VEHICLE_SHIP_SHOW_TOGGLE_BUTTON                         :{BLACK}Display
+STR_BUY_VEHICLE_AIRCRAFT_SHOW_TOGGLE_BUTTON                     :{BLACK}Display
+
+STR_BUY_VEHICLE_TRAIN_HIDE_SHOW_TOGGLE_TOOLTIP                  :{BLACK}Toggle hiding/displaying of the train vehicle type
+STR_BUY_VEHICLE_ROAD_VEHICLE_HIDE_SHOW_TOGGLE_TOOLTIP           :{BLACK}Toggle hiding/displaying of the road vehicle type
+STR_BUY_VEHICLE_SHIP_HIDE_SHOW_TOGGLE_TOOLTIP                   :{BLACK}Toggle hiding/displaying of the ship type
+STR_BUY_VEHICLE_AIRCRAFT_HIDE_SHOW_TOGGLE_TOOLTIP               :{BLACK}Toggle hiding/displaying of the aircraft type
+
 STR_QUERY_RENAME_TRAIN_TYPE_CAPTION                             :{WHITE}Rename train vehicle type
 STR_QUERY_RENAME_ROAD_VEHICLE_TYPE_CAPTION                      :{WHITE}Rename road vehicle type
 STR_QUERY_RENAME_SHIP_TYPE_CAPTION                              :{WHITE}Rename ship type
@@ -3494,6 +3520,11 @@ STR_REPLACE_VEHICLE_ROAD_VEHICLE        
 STR_REPLACE_VEHICLE_SHIP                                        :Ship
 STR_REPLACE_VEHICLE_AIRCRAFT                                    :Aircraft
 
+STR_REPLACE_VEHICLE_VEHICLES_IN_USE                             :{YELLOW}Vehicles in use
+STR_REPLACE_VEHICLE_VEHICLES_IN_USE_TOOLTIP                     :{BLACK}Column with vehicles that you own
+STR_REPLACE_VEHICLE_AVAILABLE_VEHICLES                          :{YELLOW}Available vehicles
+STR_REPLACE_VEHICLE_AVAILABLE_VEHICLES_TOOLTIP                  :{BLACK}Column with vehicles available for replacement
+
 STR_REPLACE_HELP_LEFT_ARRAY                                     :{BLACK}Select the engine type to replace
 STR_REPLACE_HELP_RIGHT_ARRAY                                    :{BLACK}Select the new engine type you would like to use in place of the left selected engine type
 
@@ -4846,6 +4877,7 @@ STR_COMPANY_NAME                        
 STR_COMPANY_NAME_COMPANY_NUM                                    :{COMPANY} {COMPANY_NUM}
 STR_DEPOT_NAME                                                  :{DEPOT}
 STR_ENGINE_NAME                                                 :{ENGINE}
+STR_HIDDEN_ENGINE_NAME                                          :{ENGINE} (hidden)
 STR_GROUP_NAME                                                  :{GROUP}
 STR_INDUSTRY_NAME                                               :{INDUSTRY}
 STR_PRESIDENT_NAME                                              :{PRESIDENT_NAME}