You see a crawler crane XL with 8 Power Function motors (4 XL-motors, 4 M-motors), and controlled by 4 IR receiver. Height of this crane is approx. 170cm.
About this creation
The crawler crane XL is powered by 8 motors and controlled by 4 IR receiver and built with more than 4700 LEGOŽ parts. IR remote control: Channel 1: red => Lift up/down the suspended ballast (XL-motor) blue=> Winch 1, to move the Derrick boom (M-motor) Channel 2: red => Winch 2, to move the main boom (M-motor) blue=> Winch 3, to move the luffing fly jib (M-motor) Channel 3: red => Travelling gear left (XL-motor) blue=> Travelling gear right (XL-motor) Channel 4: red => Winch 4, to move the hook blue=> Turn the crane