Some things just get better with age — leather work gloves, family recipes, and a good old-fashioned family farm. This year, we celebrated 90 years of Schlosser Farms — five generations rooted in the same dirt, growing more than just crops.

To mark the milestone, the family came together for the Jasper County Fair Parade in Colfax, Iowa, and rolled out what I’d call the ultimate tractor lineup. And when I say lineup, I mean five generations of horsepower —...