diff --git a/lang/catalan.txt b/lang/catalan.txt
--- a/lang/catalan.txt
+++ b/lang/catalan.txt
@@ -2819,3 +2819,14 @@ STR_MAGLEV_VEHICLES                     
 
 STR_TINY_BLACK                                                  :{BLACK}{TINYFONT}{COMMA16}
 
+STR_PURCHASE_INFO_COST_WEIGHT                                   :{BLACK}Cost: {GOLD}{CURRENCY}{BLACK} Pes: {GOLD}{COMMA16}t
+STR_PURCHASE_INFO_SPEED_POWER                                   :{BLACK}Velocitat: {GOLD}{VELOCITY}{BLACK}   Potčncia: {GOLD}{COMMA32}hp
+STR_PURCHASE_INFO_RUNNINGCOST                                   :{BLACK}Cost d'utilització: {GOLD}{CURRENCY}/any
+STR_PURCHASE_INFO_CAPACITY                                      :{BLACK}Capacitat: {GOLD}{STRING} {STRING}
+STR_PURCHASE_INFO_DESIGNED_LIFE                                 :{BLACK}Dissenyat: {GOLD}{NUMU16}{BLACK} Vida: {GOLD}{COMMA16} anys
+STR_PURCHASE_INFO_RELIABILITY                                   :{BLACK}Max. Rendiment: {GOLD}{COMMA8}%
+STR_PURCHASE_INFO_COST                                          :{BLACK}Cost: {GOLD}{CURRENCY}
+STR_PURCHASE_INFO_WEIGHT_CWEIGHT                                :{BLACK}Pes: {GOLD}{COMMA16}t  ({COMMA16}t)
+STR_PURCHASE_INFO_COST_SPEED                                    :{BLACK}Cost: {GOLD}{CURRENCY}{BLACK} Velocitat: {GOLD}{VELOCITY}
+STR_PURCHASE_INFO_AIRCRAFT_CAPACITY                             :{BLACK}Capacitat: {GOLD}{COMMA16} passatgers, {COMMA16} saques de correu
+STR_PURCHASE_INFO_PWAGPOWER_PWAGWEIGHT                          :{BLACK}Vagons Automotrius: {GOLD}+{COMMA16}hp{BLACK} Pes: {GOLD}+{COMMA8}t