This standard identifies earthmoving machines which are intended for use on unimproved surfaces. The machines are used for moving earth and other materials on projects such as road building, dams, open pit excavation, trenching, and buildings. Excluded are machines intended for use on improved surfaces such as "in-plant" material handling, highways, water, air transport, and for agricultural purposes.
SAE J1057B-1975 history
1999SAE J1057-1999 Identification Terminology of Earthmoving Machines
1988SAE J1057-1988 Identification Terminology of Earthmoving Machines
1981SAE J1057-1981 Identification Terminology of Earthmoving Machines
1979SAE J1057-1979 Identification Terminology of Earthmoving Machines
1975SAE J1057B-1975 IDENTIFICATION TERMINOLOGY OF EARTHMOVING MACHINES