Private company

Keck-Gonnerman Co.

The Keck-Gonnerman Company was an American manufacturer of steam traction engines, threshing machines, kerosene and gasoline tractors, and other agricultural and industrial equipment based in Mt. Vernon, Indiana.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

KGCO
Photo: Jacob.hanson, CC BY-SA 4.0, via Wikimedia Commons3

The Keck-Gonnerman Company was an American manufacturer of steam traction engines, threshing machines, kerosene and gasoline tractors, and other agricultural and industrial equipment based in Mt. Vernon, Indiana.2

Sources

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