The trash bin is just to the right of the Cantina on Main Street.
In the trash bin.
The Steam Generator (to open the doors) is in the trash bin to the right of the Cantina.
on the trash can
The steam battery is in the trash bin at the right of the Cantina. You need it to open the doors (Sully's, Living Quarters) and lower the Bridge at the Hub.
in the trash
The Steam Battery is in the garbage bin on the side of the Clockwork Cantina, which is just to your right when you enter the island.
its in the museum on mainstreet of steamworks island :)
It's Steamworks Island #14th Island
(The solution is at the related question "How do you beat Steamworks Island")
Once you have the multi-tool from the Clockwork Cantina, and the Steam Battery from the trash bin next door, you can go left to Sully's and the Living Quarters. You can go right to the Museum and the Hub, but you will need the bridge key to go to the Production Zone.
the crab on steamworks island is next to the living quarters
a bin