Class 8
From Wikipedia, the free encyclopedia
Class 8 - Heavy Duty Trucks as defined by the Federal Highway Administration (FHWA) in the United States:
Less than five-axle tractor/single trailer, medium-haul delivery.
Five-axle tractor/single trailer: "Class 9".
The top "Class 8" manufacturers in order of sales:
OEM engine manufacturers for "Class 8" trucks: