SAE J621
SAE J621 1989-APR-01 ndustral Power Take-Offs wth Drvng Rng-Type Overcenter Clutches
1. Scope--This SAE Standard defines installation dimensions of industrial power take-offs with driving ring-type overcenter clutches.
Table 1 and Figure 1 give dimensions for power take-offs. For dimensions and tolerances of power take-off flanges and flywheels, see SAE J617 and J620, respectively.
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