There are at least 40 different "common" universal joint sizes.
The first step is the most critical.
1) Measure the universal joint cup diameter accurately using a pair of calipers. "A"
Conversion form: inches to milimeters
There are at least 40 different "common" universal joint sizes.
The first step is the most critical.
Conversion form: inches to milimeters
Use our UJ table to determine the "series" of your PTO
Pictured are standard output splined shaft sizes.
Many implements use round shafts with keyways.
The preferred measurement is locking groove to locking groove in the "closed" position.
However, groove to groove in working position is acceptable also.
Please notice : Is this a 3-point or hitch application?