[SEL] When is it an oil field engine?

[Curt Holland]

Glenn,
This is the same style NG mixer you were showing at Coolsprings last year?
Did Parkersburg Machine make a knockoff of the Thermoil or buy and 
rebadge the engine?
Curt

Glenn A Karch wrote:

>Curt,
>
>Hercules made engines that had a mixer that would allow it to run on
>gasoline, NG and producer gas.  These are most often found in the eastern
>oil field areas.  The Parkersburg Machine Co sold the equivalent of a model
>T thermoil.  They also made a NG mixer for the throttling governed Hercules
>engines.
>
>  
>