This standard specifies the type and basic dimensions of plunger injection pump couplings (hereinafter referred to as couplings) for use in medium and small power diesel engines. This standard applies to rigid tooth-type and elastic disc-type fuel injection pump couplings.
JB/T 3923-2005 history
2018JB/T 3923-2018 Diesel engine fuel injection pump coupling type and basic dimensions
2005JB/T 3923-2005 Model and dimensions of pump drive coupling for diesel engines
1993JB/T 3923-1993 Diesel engine fuel injection pump coupling type and basic size