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The T-888 has a Hyperalloy Combat Chassis

Hyperalloy is a durable metallic alloy of unknown composition that provides the combat chassis and endoskeleton of several Terminator series, including the T-800.


Terminator: The Sarah Connor Chronicles[]

In Terminator: The Sarah Connor Chronicles, the Terminator Cameron Phillips states her endoskeleton was also made of hyperalloy. She also states that at least one of the components of hyperalloy, or one kind of hyperalloy, is coltan, which supposedly has a higher melting point and is thus less vulnerable to heat, different from earlier endoskeleton models. The TSCC Drones featured in the series are also apparently made of hyperalloy, reverse-engineered from captured endoskeletons.[episode needed]


  • It is unclear whether or not hyperalloy is spelled as one word, two words, or with a hyphen. The original script of The Terminator spells it as one word [1].
  • Hyperalloy or a form of it is first used as early as 2018 in the alternate timeline. However, it is still first used on the T-800 series.


Kyle Reese: The Terminator's an infiltration unit, part man, part machine. Underneath, it's a hyperalloy combat chassis - micro processor-controlled, fully armored. Very tough. But outside, it's living human tissue - flesh, skin, hair, blood, grown for the cyborgs...
The Terminator

John: That's coltan; if that's what you're made of, no wonder you're so dense.
Cameron: Not density, heat resistance. T-600 models had a titanium alloy endoskeleton, but it was vulnerable to heat. Coltan alloys have a much higher melting point.
The Sarah Connor Chronicles, Heavy Metal

Charley: (talking to Cameron Phillips) You know little girl, you freak me the hell out. On the outside you're just pretty as a picture. But on the inside... you're a...
Cameron: Hyperalloy combat chassis.
The Sarah Connor Chronicles, Dungeons & Dragons