This page will develop over time to include some very useful tractor information and many links to information developed by others.  If you have some valuable tractor information I can link to, please let me know.

Nebraska Cowman - Great resource for IH used parts

The Fordson House - A great source of F-20 Parts

Macleod's Catalog - Tractor Bearing Numbers, Radiator Core Dimensions, Wico Application Chart, Piston Ring Numbers