NAPA has House brand synthetic oil for $2.99 a quart...
This includes 15W-50, which is the Tuff Torq recommend viscosity for the K 46 transaxle (found in small lawn tractors), and Briggs Vanguard small engines..
https://www.napaonline.com/en/p/NO_75510
This includes 15W-50, which is the Tuff Torq recommend viscosity for the K 46 transaxle (found in small lawn tractors), and Briggs Vanguard small engines..
https://www.napaonline.com/en/p/NO_75510