Toro maintenance kits for TimeCutters with Toro Single Cylinder engines contain everything the "do-it-yourselfer" needs to keep a Toro machine running like new. Requires installation of model 136-7806 heavy-duty air cleaner kit (Sold Separately), prior to use. It's an easy and convenient way to ensure your Toro equipment will run its best year after year. All components are approved by Toro engineers for use with the Toro engines on the Toro TimeCutter chassis. For use on Toro TimeCutters with twin cylinder Toro engines (708 cc) model years 2015 and newer. Kit contains a fuel filter (#139-0717), an oil filter (#136-7848), an air filter (#136-7809), 2 fuel treatment pouches (#130-2393), and 10W30 oil.