Amazon.com: LEGO TECHNIC Motorized Excavator 8043 : Toys & Games
Ultimate Lego 8043 with instructions - YouTube
For the Power Functions fans out there... 8043 with 1 XL motor, 5 M motors, 3 receivers/remotes. From Jergen's Technic Corner mod along with my own small updates. I prefer the claw
LEGO MOC Modification 8043 Grab Crane Excavator by franklin-bricks | Rebrickable - Build with LEGO
LEGO 8043 Motorized Excavator Set Parts Inventory and Instructions - LEGO Reference Guide