Original anti sway bars have been out of production for quite some time. We have a few original NOS (new old stock) items suitable for restorations, but modern chains should be adapted for working tractors.
Adjustable chains tend to work better, but with older Italian tractors it is important to understand the geometry and not to over tighten if there is any variation. If anti sway apparatus is not geometrically compatible with the pivot points, lifting the arms could break off the attachment points. This is more common experience than you would think and axle castings are no longer in production. The key is that you don't need them excessively tight. Especially when working with the flat hole mount pictured to the left, you need to keep them loose enough to easily slide up and down on the pins. If tightened excessively, they bind and can break off castings as you lift the arms. If you are concerned about tiller drift, just make sure they have enough slack to swing freely.
Pictured at left are some "tube" end chains used on Goldoni tractors. These present the same risk if over tightened. The tube ends need to move freely on centre shaft to ensure the chains don't swing out of alignment. We have access to a variety of chains for all category hitches.
We also carry a wide variety of safety pins, snap rings, lynch pins and mounting pins for replacement, upgrades or when building equipment. Fabricating custom equipment is easier when not having to turn and thread mounting pins. They are inexpensive and category standards.
The lift cylinder can be overhauled with little difficulty:
The three point hitch on Italian tractors has a slightly different geometry than the North American Standard. That being said, they are virtually the same and most implements work fine. The main consideration will be the shaft angle when implements are raised. Lift pins are often best reversed if possible because the spread of the lift arms is often less. Most North American implements can be accommodated except for early plows which tend to create an interference fit. The plow is not as commonly used as it once was and so it doesn't normally present a big challenge.