compact fully motorized lego technic 42006 excavator

2 L-motors, 4 M-motors, 3 IR receivers and 2 battery boxes squeezed into the original dimensions of the LEGO #42006 excavator. Modification based on larger version by piolopakwann. LEGO Digital Designer lxf file at Building instructions at Note: some components not available in LDDand building instructions.