MTD Throrx engines are made by Kohler and Briggs and Stratton. Some Thorx small engines, for use in chainsaws, are made by Walburo Inc.
Hattiesburg, Miss. is the US factory for Kohler engines.
The type of oil that is recommended for Kohler engines is 10W-30 Command Oil. SAE 30 Magnum Oil is also recommended for certain Kohler engines.
Onan no longer makes engines. But with the older ones it is hard to say. Both had very good engines. Some better than others. I would say Kohler had the better single cylinder engine after Onan stopped making the LK. Onan had better RV generator engines. On the larger units they were both the same in quality and support.
Craftsman garden tractor w/ Kohler 14 hp eng. dies when warmed up- why ?
You will need to tell us the model number and type for that info. -Kohler makes MANY engines,and at least 3 of 20 hp.
Briggs and Stratton and Kohler engines are considered quality components. Neither is likely to be better. However, the Briggs and Stratton brand is more popular.
Kawasaki and Kohler mower engines
You will need to tell us the model number and type for that info. -Kohler makes MANY engines, some with vertical shaft and some with horizontal shaft, all with different oil capacities. - We wouldn't want to give you incorrect information -
how to adjust valves on a 1050 kohler engines
either SAE 30 OR 10W 30 OIL
Someone can order Kohler engine parts from the official 'Kohler Engines' website and clicking on the 'Buy Parts' link. From there one can choose to either find their local dealer or buy parts online.