BRIGGS & STRATTON Craftsman 18.5 HP V TWIN RIDING MOWER TRACTOR ENGINE. Model 407777 type 0121 E1 Code 991022YH. COMPLETE EXCEPT NO MUFFLER OR PIPES, HAS GOOD COMPRESSION, STARTS GOOD, IDLES GOOD, THROTTLES GOOD, HAS NEW AIR FILTER AND FUEL PUMP. See Running video below. Has 1 diameter crankshaft. Please make sure you look at pics good and search your model number to insure proper fit. We do our best to try and list any defect or abnormal wear if. Any questions just ask. Note most of our parts are used and may have some dirt and grease on them when received. The item “BRIGGS & STRATTON Craftsman 18.5 HP V TWIN RIDING MOWER TRACTOR ENGINE” is in sale since Wednesday, November 11, 2015. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Lawnmowers\Parts & Accessories”. The seller is “katrinathatsme” and is located in Yanceyville, North Carolina. This item can be shipped to United States.