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 Full RC Excavator powered by BuWizz by Anto | Rebrickable - Build with LEGO
MOC] Volvo EC750E - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums
MOC] Lego Technic 8043 Refit Paw - YouTube
MOC] Motorized Excavator - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums