Harold wanted the Lauson engine
to run especially well because he intended to mount it on his 1/3-scale Little Bull, a tractor he built from scratch to exhibit at steam shows and parades.
This one (equipped with a Lauson engine
) has a centrifugal clutch like a go-kart.
Aaron's 1962 Sportsline features a 5-1/2 hp Lauson engine
. "It runs at 20 to 25 mph," he says.
In 1958, Motor Wheel ceased production of REO engines for the mowers, opting instead to use Lauson engines
labeled "REO Raider." In 1963, Motor Wheel sold the entire line to Wheel Horse Products in South Bend, Ind.
In 1915, a local history book, Enter Into New Holstein, said, "From a 4 HP engine, the present line of Lauson and 'Frost King' gasoline and kerosene engines, from 1 1/2 to 100 HP has been developed and today Lauson engines
are operating in every climate from the Arctic to the Tropics.