2018 is the Year of the Tractor at the Smithsonian’s National Museum of American History and this 1918 Waterloo Boy, one of the first tractors with a combustion engine, just went on exhibit.

All eyes are on the 120hp tractor division in this year’s multi-test. Machines in this sector have always sold in huge volumes, but demand is growing particularly swiftly for those that can cram their ...