This cultivator has many features which farmers everywhere know to be desirable. Its extremely simple construction is combined with unusual strength and durability. Light in draft and easily operated it makes cultivation work easy for man and team.

This plow has all original paint. It sat under a tarp. The dark red spots had punched through the tarp. The share points show no wear at all. It has one regular bottom and the left is an Alfalfa bottom. It was no doubt a show room display or demonstration model. Notice the 1/4 bolts threw the rim that held rubber knobs which deteriorated. Original plows were all red but these wheels have never been anything but green. Original evener combination for 2 or 3 horses also was green.

The Oliver No. 23-B reversible sulky plow is a horse-drawn riding plow that can be set to turn the soil to either side, thus allowing the use of highly-efficient plowing “patterns.” The machine was manufactured by the Oliver Chilled Plow Works of South Bend, Indiana, over the period from about 1917 through 1934. It has a very ingenious mechanism, the crafty geometry of which obscures its principles of operation. In this article I describe the Oliver 23-B and explain its mechanism and the way it supports the many special features of the machine. Some background is first given on the concepts of plowing.