Container chassis is a specially designed trailer or wheeled carrier to transport containers from trucks between terminals, warehouses, and ports. Design-wise, this equipment is a steel frame with tires and axle systems, suspension, brakes, and lighting.
A heavy hauler is a very large transporter for moving oversize loads too large for road travel without an escort and special permit. A heavy hauler typically consists of a heavy tractor unit and multi-axled lowboy flatbed trailer.
A flatbed is a long, open trailer that is used to transport building materials, aluminum products, large machinery and other large items. It is the responsibility of a flatbed driver to drive a commercial vehicle safely within a regional area.