In the case of a Motor Vehicle , the term chassis means the Frame plus the "running gear" like Engine , Transmission , Driveshaft , Differential , and Suspension . A body (sometimes referred to as " Coachwork "), which is usually not necessary for integrity of the structure, is built on the chassis to complete the vehicle.
A Tank 's chassis ( Hull ) comprises the bottom part of the tank, which includes the Tracks , power plant, driver's seat and crew compartment.This describes the lower hull, although common usage of "tank chassis" might include the upper hull to mean the tank without the Turret . Tank chassis often serve as basis for tank-converted platforms such as Armored Personnel Carrier s, Combat Engineering Vehicle s, etc.
A chassis in a Television , Radio , or other electronic device consists of the metal frame on which the Circuit Board s and other electronic components are mounted. In the absence of a metal frame the chassis refers to the circuit boards and components themselves, not the physical structure.
