The Power-Flex 10 is a garden tractor produced from 1958 to 1960 by Power-Flex in Berthoud, Colorado, USA. It features a 9 hp Clinton 409cc 1-cylinder air-cooled gasoline engine, a 3-speed gear transmission with Ford components, two-wheel drive, manual steering, and an open operator station. The electrical system uses a 12-volt battery with negative ground.