Doesn’t smoke, or knock. Except for the muffler. Motor was removed from a John Deere 155C with 319 hours. Numbers on the motor are: Model 445777, Type 0264 E1, Code 051020 YH. The item “John Deere 155C 25HP Briggs and Stratton V-Twin Motor” is in sale since Tuesday, September 27, 2016. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Lawnmowers\Parts & Accessories”. The seller is “blellis84″ and is located in Dover, Delaware. This item can be shipped to United States.