This SAE Standard was developed to provide a method for indicating the direction of engine rotation and numbering of engine cylinders. The document is intended for use in designing new engines to eliminate the differences which presently exist in industry.
SAE J824-2022 history
2022SAE J824-2022 Engine Rotation and Cylinder Numbering
1995SAE J824-1995 Engine Rotation and Cylinder Numbering
1986SAE J824-1986 ENGINE ROTATION AND CYLINDER NUMBERING
1962SAE J824-1962 ENGINE ROTATION AND CYLINDER NUMBERING