Ariens 20-oz 4-cycle Engines 30W Synthetic Blend Engine Oil in the Engine Oil department at Lowes.com
Amazon.com: TRIAX Power 4-Stroke 30W Full Synthetic, 4 Stroke Full Synthetic Small Engine Oil, Garden Tractors and Other Power Equipment (1 Gallon) : Automotive
PRO SELECT 48-oz 4-cycle Engines 30W Conventional Engine Oil in the Engine Oil department at Lowes.com
Amazon.com: STP Premium Small Engine 4 Cycle Oil Formula, SAE-30 Small Engine Oil Engine Care Reduces Wear for Lawnmower, Push Mower, Tractor, 32 Oz : Automotive