Engines for all gasoline powered products are warranted separately by the engine manufacturer for a period of two years. Therefore, there are no warranties made, expressed or implied, for engines for gasoline powered products by Classen. Built to Use and Designed to Last...With over 30 years of excellence in the lawn care industry, Classen Turf Equipment has built a reputation as THE product to own for lawn aeration, seeding, and care. Classen Turf Equipment is guaranteed against defects in material and workmanship for a period of 2 YEARS from date of purchase, when used for COMMERCIAL SERVICE, and 2 YEARS for RENTAL SERVICE.