What does a body-on-frame structure mean?

1 Answers
Ingrid
07/29/25 12:46pm
Body-on-frame structure refers to a design where the frame carries the entire vehicle, while the body only bears the weight and inertial forces of the loaded passengers and cargo. Below is an introduction to related content: Characteristics of body-on-frame structure: The frame is as long as the entire vehicle, relatively independent from the body, serving as a skeleton, and is welded from thick steel plates. Chassis components (engine, suspension, etc.) are mounted on the frame. The body, made of thin sheets, is installed on the frame with the help of rubber blocks. Advantages and disadvantages of body-on-frame structure: Advantages: High body strength, as the steel frame provides strong body rigidity; higher chassis strength; offers certain cushioning and shock absorption effects. Disadvantages: The overall weight is greater, requiring more steel, resulting in relatively higher costs; the vehicle's center of gravity is higher.
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