The difference between a nonhunting and a partial nonhunting gearset is the amount of ring gear teeth that are contacted.
In a partial nonhunting gearset, one drive pinion tooth contacts six ring gear teeth instead of three. During the
first revolution of the ring gear one drive pinion tooth contacts three ring gear teeth. During the second revolution
of the ring gear the drive pinion tooth contacts three different ring gear teeth. During every other ring gear revolution, one drive pinion tooth contacts the same ring gear teeth. A typical partial nonhunting gearset may have ten drive pinion teeth and thirty-five ring gear teeth. The rear-axle ratio for this combination would be 3.50:1