Yanmar YM1300 75mm piston ring set.

Yanmar is a Japanese company specializing in the production of tractors, combines and light agricultural machinery. The company produces, among others: rice planting machines, various types of pumps, tillers and mini excavators. Yanmar Co., Ltd. was founded in Osaka in 1912.
It produced 105 models of mini tractors. The company produced its first tractor in 1967. From the very beginning, Yanmar tractors have used Yanmar water-cooled diesel engines.

Japanese tractors are characterized primarily by simplicity, durability and equipped with many interesting design patents that facilitate everyday work and operation. Yanmar tractors are assembled at a state-of-the-art facility in Adairsville, Georgia, north of Atlanta.

The Yanmar company is distinguished by great innovation and solidity of agricultural machines, as evidenced by the fact that they have launched an autonomous tractor called Robot. Today, Yanmar is a $6 billion company with over 15,000 employees worldwide.