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A once-over, single-row, tractor-mounted machine capable of harvesting high-moisture (45-60% w.b.) peanuts to produce a quality seed with minimal losses was developed by researchers at the Agriculture Canada Delhi Research Station. This machine lifts the vines into pickup belts, pulls the plant while simultaneously cutting the taproot, and then separates the peanut pods from the plants using rotating mechanical strippers. Effective harvest capacity was 0.15 ha (0.37 acres) per hour of Valencia bunch-type peanuts with an operating speed of 4 km/h (2.5 mph). Harvest losses averaged less than 1 percent of the total crop and random samples contained from 1% to 8.7% foreign material. The machine, which harvested about 12 ha (26 acres) annually for five years, led to the introduction of commercial models.