An Excavator is a heavy utility machine designed to transport objects like a normal crane but can also move them anywhere easily. An excavator usually consists of wheel/thread, body, arm, and grabber. Next is the comparison between a tower crane and an excavator, to make things clearer.
|Arm||Straight arm with the grabber on the edge||Arm has joints and connected from the lower body|
|Shape||T- Shaped Figute||Like a normal vehicle but with it's excavating arm|
|Pros||High Stability and Strength||High Mobility and Precision Relocation|
|Cons||Very Tall & Heavy
Can't move quickly
|Most arm has low stability|
|Mobility||Mostly Stationery||With Wheel/Tank Thread|