From my new to me Toro manual.
Initially, the crankcase must be filled with 20 ounces(0.55 liters) of SAE 30 oil; 10W-30 oil may be substituted. if SAE 30 is not available. Use any high quality detergent oil having the American petroleum Institute (API)“service classification”—SF, SG, SH or SJ.
I noticed the word 'must', do not think I have seen that before.
I plan on using what I used in my Honda mower. Mobil 1 10W30 EP.
Initially, the crankcase must be filled with 20 ounces(0.55 liters) of SAE 30 oil; 10W-30 oil may be substituted. if SAE 30 is not available. Use any high quality detergent oil having the American petroleum Institute (API)“service classification”—SF, SG, SH or SJ.
I noticed the word 'must', do not think I have seen that before.
I plan on using what I used in my Honda mower. Mobil 1 10W30 EP.