Poulan Pro 960420164 PB145G42 Briggs 14.5 HP 6-Speed Transmission Lever Cutting Deck Riding Mower, 42-Inch 14.5 HP Briggs & Stratton engine 6-Speed transmission with lever drive 42-Inch cutting deck and 16-Inch turn radius 20-Inch rear and 15-inch front tires This engine does not require oil filter