Classic Tractor Engine Modifications

Manufacturers have made great advances in tractor engines over the years.

Often referred to as the "kerosene tractor," the International 8-16 Junior proved there was a market for a powerful, lightweight tractor, ultimately paving the way for the Farmall models that followed. Its overhead-valve engine with a bore and stroke of 4x5 inches provided 16 horsepower on the belt.
Photo by Ralph W. Sanders