Liberty Z Zero-Turn Rider - Scag Power Equipment Now there is a Scag mower that is perfect for the home owner. The Scag Liberty Z ® is specifically designed for the home owner that wants a high-quality mower but does not need a large, commercial-grade unit. Now, there is no need to take a step down and buy a big box, throw away mower.Dealer Locator · Kawasaki Fr Series · Fabric 2-Bag Catcher · Hurricane Mulching System · Tiger Striper Replacement Filters - Scag Parts Replacement Filters. The life of Outdoor Power Equipment is Maintenance. Louisville Tractor carries a large selection of maintenance parts. Manufactures recommend using OEM Air Filters, OEM Fuel Filters, OEM Oil Filters and OEM Hydraulic Filters for longer equipment life. While Louisville Tractor agrees with these manufactures we also offer replacement filters for the price conscious consumer.