The MAG series offers high-torque motors for mediumor high-speed traveling crawler vehicles. It consists of a case rotation planetary reduction gear and a swash plate piston motor, and is equipped with a two-speed change unit and a parking brake unit. . The two-speed change mechanism supports the automatic speed change according to the load. The MSG series motors incorporating a shaft-rotation type simple planetary reduction gear and the swash plate motor are ideal solutions for the swing system of excavators and mini-excavators. The motor is equipped with a parking brake in our standard version.