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.
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.
Craftsman garden tractor w/ Kohler 14 hp eng. dies when warmed up- why ?
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.
Kohler engines are manufactured primarily in the United States, with significant production facilities located in Kohler, Wisconsin. The company also has manufacturing operations in other countries, including China and India, to support its global market. Kohler has a long history of producing engines for various applications, including outdoor power equipment and industrial machinery.
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 -
Toro engines are primarily manufactured by the Toro Company, which designs and produces outdoor maintenance equipment. However, some Toro products may also utilize engines sourced from other manufacturers like Briggs & Stratton or Kohler. These partnerships allow Toro to offer a range of engines tailored to their specific equipment needs.
either SAE 30 OR 10W 30 OIL