Annotation of standard text SAE J691 :
This SAE Recommended Practice sets forth recommended back of cab to rear axle (CA) dimensional data. It applies to 4- and 6-wheel motor trucks but not necessarily to truck-tractors.
SUBJECT TAXONOMY: Frames, Terminology, Vehicles, Trucks, Buses
SUBFILE: Commercial Vehicle
TYPE OF DOCUMENT: Ground Vehicle Standard
Stabilized: Jun 2011 