ISO 7648:1987 Preview
Flywheel housings for reciprocating internal combustion engines -- Nominal dimensions and tolerances
This standard was last reviewed and confirmed in 2015. Therefore this version remains current.
Specifies the nominal dimensions and tolerances of flywheel housings, in particular those which affect interchangeability with mating parts. Flywheel housings of size codes 1 to 4 are recommended for commercial vehicles and buses. Some figures illustrate shapes and reference quantities of concern. Applies to reciprocating internal combustion engines except engines for aircraft and passenger cars.
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