This standard specifies the shaft end type and basic dimensions of the camshaft of a diesel engine fuel injection pump with a tapered drive shaft. This standard applies to in-line fuel injection pump camshafts for tractors, automobiles, stationary, mobile and small marine diesel engines.
JB/T 9731.2-1999 history
2010JB/T 9731.2-2010 Camshaft of fuel injection pump of diesel engines-Part 2:Dimensions of extension
1999JB/T 9731.2-1999 Dimensions of camshaft extension of fuel injection pump for diesel engines