Time Machine menu bar Icon Location I'm trying to find the Time Machine menu bar icon resource so I can change how it looks a bit. Where is that icon? In Time Machine's package contents > resources, all I see is backup.icns (the Finder icon), menu.plist, and 33 .lproj folders for different languages. In the English folder is a single file called Menu.strings.
The Time Machine menu bar item is located at:

/System/Library/CoreServices/Menu Extras/TimeMachine.menu/


The menu bar item uses four PDFs for the four different icon states, in Contents/Resources/:






Above icons from OS X 10.10 Yosemite DP2