This standard applies to 145mm nominal headlamp and floodlamp units. To define the dimensional requirements for sealed lighting units and assure their interchangeability.
SAE J572-1998 history
2011SAE J572-2011 Requirements for Sealed Lighting Unit for Construction and Industrial Machines
2004SAE J572-2004 Requirements for Sealed Lighting Unit for Construction and Industrial Machines
1998SAE J572-1998 Requirements for Sealed Lighting Unit for Construction and Industrial Machines
1993SAE J572-1993 REQUIREMENTS FOR SEALED LIGHTING UNIT FOR CONSTRUCTION AND INDUSTRIAL MACHINES
1986SAE J572-1986 Requirements for Sealed Lighting Unit for Construction and Industrial Machines (May 1986)