What is "yanmar"

is a Japanese diesel engine manufacturer with more than 100 years of history. The engines are used in a wide range of applications, including seagoing vessels, construction equipment, agricultural equipment and generator sets. Within the last 20 years, Yanmar has also established a growing presence in the domestic UAV market in Japan and elsewhere, with small helicopter UAVs such as the Yanmar YH300 SL and Yanmar AYH-3, primarily used in agricultural spraying and other forms of aerial application.