Crack is visible in the 7th picture near the fuel pump. It looks like this engine was tilted improperly. There is visible oil on the air filter and in the intake.The air filter and spark plugs might need to be replaced. 1-1/8" x 4.36" shaft. This engine appears to never have been run. Oil will need to be checked and appropriately added before running.
It does not come with a muffler. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Lawn Mowers, Parts & Accessories\Lawn Mower Parts". The seller is "outrightauctions" and is located in this country: US.
This item can be shipped to United States.