Can you please identify these two assemblies, dark grey, dark red, yellow, and tan plus Technic treads with large orange pieces? Set assemblies 1



Set assemblies 2
In the top image you have parts of 7656-1: General Grievous Starfighter and 
7669-1: Anakin's Jedi Starfighter.

In the second image you have parts of 
7706-1: Mobile Defense Tank