Type of internal combustion engine fuel, refined from crude oil.

A tank with heavy armor and firepower, prioritizing protection over mobility.

Hydromechanical transmission combines hydraulic fluid power with mechanical gear components to transmit engine power to a tank's tracks.

Hydropneumatic suspension employs hydraulic fluid and compressed gas in sealed chambers to provide variable damping and ride height, allowing tanks to adjust ground clearance and improve cross‑country mobility.

A rifled gun has spiral grooves cut into its barrel.

Fire control system generation using gyroscopically stabilized optics to improve accuracy during vehicle movement.

Armour made by welding and rolling homogeneous steel plates.