Thermoil Engines
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.
2 1/2 HP Thermoil Model T
![]() 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
![]() 1 1/2 Cummins HVID Serial No. U-7426 Wayne Grenning 3678 N Ridge Rd Lockport NY, 14094 WGRENNING@aol.com |
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