What it sits on doesn't really define what type of machine it is.
Depending on how the weather cooperates it should take 1-2 weeks to climb the tower crane down and then a day or two to dismantle it.
The Derrick is a 35ton machine (it won't be reeved with all its parts of line in this installation) but the tower crane is an 8/16ton machine and due to the height of L-tower, there's only enough capacity on the hoist drum for 2 parts of cable, limiting it to 8ton