Thermoil Engines

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Thermoil engines were built by Hercules and sold thru Sears & Roebuck.  They were one of the first diesel engines.
Also called HVID engines after the developer of the technology.

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2 1/2 HP Thermoil Model T
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2 1/2 HP Thermoil Type T. Serial No. T-2690 
You won't find many engines in better original condition than this Thermoil. 

1 1/2 H.P. Cummins built HVID
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1 1/2 Cummins HVID Serial No. U-7426 

Wayne Grenning
3678 N Ridge Rd
Lockport NY, 14094

Picture taken from the back of a Hercules Catalog.

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