The first Cornell agricultural pump was introduced in 1949. Today, we offer more than 110 models for agricultural applications!

Cornell’s story began in 1946 when five employees from Pacific Pump Company decided to start their own company. With a fully equipped service department and firsthand experience repairing pump failures—including issues with motor overloading, pressure spikes, and water damage in pump-end motor bearings—they were ready to build something better. Leveraging their comprehensive inventory and manufacturing expertise, they could service any pump.

The first Cornell pump, the Rain-O-Flow irrigation pump, debuted in 1949. Specifically engineered to address common failure points in other pumps, it became a huge success. In fact, some of the original Rain-O-Flow models from the 1950s are still in service today in Oregon’s Willamette Valley and beyond.

The Rain-O-Flow’s distinctive paint, known as Rain-O-Flow Blue, became Cornell’s signature color and remains so to this day.

Explore Cornell Pump’s rich history and milestones here: Cornell History Timeline. Or, learn more about our 110+ agricultural models—ranging from 1” to 24” sizes—designed for irrigation, dewatering, and manure handling: Cornell Agriculture Pumps.

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