The Simplicity Express 15.5H is a lawn tractor produced from 1999 to 2003 as part of the Express Series. It features a 15.5 hp Briggs & Stratton Intek 465cc single-cylinder gasoline engine with electric start and a belt-driven hydrostatic Tuff Torq K51 transmission offering infinite forward and reverse speeds. The tractor has a two-wheel drive chassis with manual steering and an open operator station. It includes a mid PTO with manual clutch and supports attachments such as a 38" mid-mount mower deck and a 42" front-mount blade. The tractor weighs 455 lbs and rides on 15x6.0-6 front and 18x8.5-8 rear lawn/turf tires.