We put coleman fuel with 2 stroke oil and this unit fires right up. It will only run for about 20 seconds and then does it then starts right back up. I believe the gasket is leaking where the carb plate is mounted. The serial number from the flywheel is in the pics. We think it's 37 but not sure.Vintage Maytag Engine Model 92 Motor 1937?? This item is in the category "Business & Industrial\Light Equipment & Tools\Stationary Engines\Engines". The seller is "toddsblownluv" and is located in this country: US. This item can be shipped to United States.