Satoh tractors were known for using their own air-cooled, single-cylinder diesel engines, specifically the S series engines. They were a very popular choice in the small tractor market, known for their durability and fuel efficiency.
Mazda, on the other hand, is a car manufacturer that has historically produced gasoline engines for their vehicles. While they have produced some diesel engines in the past, they were not typically used in agricultural equipment.
Therefore, it is highly unlikely for a Satoh tractor to have a Mazda engine. If you are looking for specific information about the engine used in a particular Satoh tractor, it is best to refer to the owner's manual or contact a Satoh dealer or expert.