1st bot: Shrink the chassis, give it mag motor drive with hypnos(or valds), ditch the side guards, get moar beater bars, and give it 3 ants.
2nd Bot: Shrink chassis, NPC fast drive with hypnos(or valds), give it 6-10 ants, trade the hammers for 30kg hammers, needs a plow in front. NEEDS WEDGE!
3rd bot: UNDERWEIGHT!, get NPC fast with technos, metal hinge wedges, put 4 saw blades on 2 perms give it 4-8 ants.
4th bot: UNDERWEIGHT and UNDER POWERED, ramplates suck in DSL, use technos, iron spikes are useless when put like that, needs metal hinge wedges.
5th bot: Needs to be invertable. Those teeth have normals so swap them out for something else. Take the piglet off the multi and put it upright.
6th bot: Needs smaller chassis. Use mags for drive. Give it 3 ants. use iron spikes.