Which Hitch?
One of the most asked questions is which hitch?
Basically, there are 2 hitches designed for the Allis Chalmers line of tractors.
1) Quick/Snap Coupled 
2) Drawbar Mounted 
So what's the difference.
Quick
The snap coupled hitch is very easy
to install. Just drop any existing item from your snap-coupler. Lift the loop
on the hitch into your coupler, and lock in the pin. Then attach the leveling
arms to your l ift arms, and you are ready to work. Some tractors require
modifications for the sway chains since there is no mounting point on the
tractor for these. Benefit:
quick, no drawbar required, most like factory for those that had the 3 point
available. Drawbacks: Swaycontrol is
either absent or reqiures modification. Requires removal of drawbar.
Drawbar Mounted
The drawbar mounted hitch is by far
stronger than the quick hitch. A mainframe piece mounts to your existing drawbar.
Depending on model, it may mount above, or below the drawbar. Some models
require drilling additional holes in the drawbar to mount the mainframe to.
Then, the lift arms (tugs) attach to studs on the mainframe. These in turn
have leveling arms that attach to your lift arms. Sway control is obtained
by either a sway block that saddles over your drawbar support/yoke or by the
yoke itsself. Benefit:
very strong, positive sway-control, drawbar can remain in place for original
applications. Drawbacks:
System is hard-mounted to the tractor, price is higher.
Our recomendation depends on your use. If you need a solid working class hitch, go for the drawbar mounted 3 point conversion. You will have positive control, and the drawbar can stay put. If you want to maintain originality for tractor shows, the quick will suite you better. You can easily swap the drawbar back in, and be ready for a show.