Handy thruster for even more speed and wield dual Shishkababs in place of claws. Heavily modified Assaultrons are know to traverse the Commonwealth, ranging from those with Protectron heads to better make use of laser weapons to those that replace their legs with a Mr. Its disadvantage is that it's a pure combat design: It has a decent carrying capacity, but well below that of the other designs. The end result is a lightweight, fast, and highly durable combat robot that excels in close quarters combat. For protection, its red lens is surrounded by thick armor plates and distracts from the optical receptors hidden at the top of the head. The crown jewel is the head laser, mounted in its center and capable of devastating the opposition when fully charged.

Long, slender legs powered by a combination of hydraulic actuators and springs allow it to close distance with frightening speed. Once in range, it grabs onto targets with its claws, then twists to tear armor, flesh, and bone alike. Modular arms allow for swapping out its loadout depending on the mission profile, with the most typical one being a combination of claws and blades. To that end it was designed using proven, reliable technologies, with actuators, chain-powered limbs and other simple, rugged solutions, covered in thick armored plating. In terms of design, the Assaultron is intended for melee combat and survivability. Some Assaultrons are equipped with bombs set to detonate if they are destroyed. An Assaultron will not stop until its core is damaged: even after losing limbs and pieces of machinery, it continues to fight on.

They are quick, nimble, and customizable, with a variety of weaponry such as lasers and razor-sharp claws. It also has the ability to utilize EMP shielding to protect itself from electromagnetic disturbances. Some units can even employ stealth technology. It is fast and deadly at close range, and employs a devastating laser at a distance. The Assaultron was constructed by RobCo Industries and sold to the United States military as a frontline wartime combatant.

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