The entire tower rotates on a platform with a counterweight at the base. By Mobility: Stationary: Fixed to a foundation or building structure. Mobile: Mounted on rails, crawlers, or wheels. By Jib Type: Luffing Jib: Pivots up and down to change reach.
Only the jib and top part rotate; the tower remains fixed. bashennyj kran harakteristika
Typically between 2 and 200 m/min.