Identify This Mystery Antique Engine

| 3/14/2011 9:30:45 AM

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engine 1 

Gas Engine Magazine reader Kevin Stier recently sent in these two photos of a mystery air-cooled engine he bought at auction. He's searched high and low for identifying features but has come up empty. Do you have any ideas as to what this antique engine might be? Post your ideas in the comment section below.

engine 2 

david canup
3/15/2011 8:46:22 PM

I would like to join

travis canup
3/15/2011 7:50:58 PM

i think its a 3406 catapillar

Harlan Hjermstad
3/15/2011 6:12:23 PM

I believe it is an Ideal gas engine.

3/15/2011 1:29:37 PM

This is definitely made by Ideal Power Lawn Mower Company, Lansing, Michigan. If the flywheels are 11 inches, it is 3/4 H.P.; however it looks to be a bit larger and if so, it is 1 and a 1/2 H.P.

Shawn Hornbeck
3/15/2011 9:41:38 AM

Its an ideal, minus the fan cage and corresponding lawn mower.

terry nemecek
3/15/2011 9:17:52 AM

its an ideal engine used on lawn mowers

Wayne Bridges
3/15/2011 9:02:15 AM

Could it be an Aeromotor? They are air-cooled and have few if any markings. I know mine only has the name on the crank wheel and no other markings. If the crank wheel was changed out for some reason, that would leave it with no markings.