All you need to know about 3 point tractor attachments
This site is designed to be a place for anyone that uses 3 point attachments, daily yearly, or any variation in between. It is designed to be easy to use, and open for anyone to view. Sign up if you haven't already, start a thread about your favorite attachment, or just browse and see what other people are doing with theirs.
With 3 point attachments being so popular today, the possibilities of what you can do with them are endless. If you garden, which most tractor owners do, you probably have a place close to your garden almost full of 3 point attachments that you use for many tasks around the garden and house. One of the biggest advantages to having 3 point attachments, is the ability to quickly change from one attachment to the next without using lots of tools and spending a lot of time doing it. 3 point attachments range from plows to augers, with many attachments in between. The more you use 3 point attachments, the more valuable they become by spoiling you with their benefits.
There are 4 types of 3 point attachments, categories 0, I, II, and III, with the difference being mainly in the size of the tractor pulling the attachment and the weight of the attachment itself.
Category Tractor
HPTop Link Pin
DiameterLift Arm Pin
Diameter0 Up to 22 HP 5/8 in. 5/8 in. I 20 to 55 HP 3/4 in. 7/8 in. II 55 to 95 HP 1 in. 1 1/8 in. III 95 and up 1 1/4 in. 1 7/16 in. The combination of easy change attachments and hydraulic lift gave better functionality and control over the use of tractor implements than could be achieved without a universal standard.