Whenever you purchase a push mower you have to realize that it needs a higher grade oil. You should use a higher standard type of oil.
30 wt
Between 0.5 and 0.75 quarts of oil are needed in a Troy-Bilt pushmower model TB110. The oil is used to cool and lubricate the engine while it is in use.
5w30
10w-30w is fine
sae 30
SAE 10w30 full synthetic.
Agear drive will use 90 wt whereas a hydro will use 10W30.
Any straight 30 weight should do.
The oil to use for the 26hp Kohler motor on a Craftsman garden tractor will depend on the temperature outside. Use a 10-30 blend in the summer and a 5-30 blend in the winter months. The brand of oil does not matter as long as it is not a synthetic blend.
SAE 30wt
The Craftsman 6.0 Mower takes an oil that is at least 30 wt. A blended oil that is 10-30 is okay to use also.
The manufacturer recommends using a 5w-30 oil in this engine for the most part. The exception is for synthetic oil, in which case you could use 10w-30.