SAE J621D-1977
INDUSTRIAL POWER TAKE-OFFS WITH DRIVING RING TYPE OVERCENTER CLUTCHES

Standard No.

SAE J621D-1977

Release Date

1977

Published By

Society of Automotive Engineers (SAE)

Status

Be replaced 2005-08

Replace By

SAE J621-1989

Latest

SAE J621-2012

Scope

This SAE standard defines installation dimensions of industrial power take-offs with driving ring type overcenter clutches. 1) Table 1 and the Figure give dimensions for power take-offs. For dimensions and tolerances of power take-off flanges and flywheels see J617 and J620 respectively.

SAE J621D-1977 history

• 2012 SAE J621-2012 Industrial Power Take-offs with Driving Ring-Type Overcenter clutches
• 1995 SAE J621-1995 Industrial Power Take-Offs with Driving Ring-Type Overcenter Clutches April 1989
• 1989 SAE J621-1989 Industrial Power Take-Offs with Driving Ring-Type Overcenter Clutches
• 1977 SAE J621D-1977 INDUSTRIAL POWER TAKE-OFFS WITH DRIVING RING TYPE OVERCENTER CLUTCHES
• 1977 SAE J621-1977 Industrial Power Take-Offs with Driving Ring Type Overcenter Clutches