Ultimate Lego 42009 RC Mobile Crane

Full building instructions are available as free download at Fully remote controlled motorized version of the Lego 42009 obile Crane Mk II set. All the essential functions of the crane were motorized, which are: Driving (1x XL-motor) Steering (1x M-motor) Outriggers (1x M-motor) Outrigger-legs (1x M-motor) Lifting/lowering boom (1x L-motor) Extending/retracting boom (1x L-motor) Lifting/lowering hook (1x M-motor) Upperstructure