Upgrade Parts

#REDIRECT : Category:Regions#Upgrade Parts for Locomotives
There are four upgrade parts that are used to upgrade the power of locomotives that you obtain throughout the game. Upgrade parts plus Gold is used to upgrade any particular locomotive.
==Common==
These parts are used to upgrade Common locomotives throughout the game.These are also used in combination with Rare upgrade parts to upgrade Rare locomotives.Common parts plus legendary upgrade parts are needed to upgrade Legendary locomotives.
==Rare==
These parts, in conjunction with Common upgrade parts, are used to upgrade Rare locomotives.
==Epic==
These parts, in conjunction with Common upgrade parts, are used to upgrade Epic locomotives. 
==Legendary==
These parts, in conjunction with Common upgrade parts, are used to upgrade Legendary locomotives.
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