The ZT-3400 transaxle was designed for larger commercial applications. The ZT-3400?s large 12cc variable displacement seven piston pump and 16cc fixed displacement seven piston motor is capable of delivering up to 225 ft/lbs. of continuous torque. Power is routed through a mechanical gear reduction with a single 1.125 inch shaft output. The ZT-3400 delivers smooth, infinitely variable speed and bi-directional control in a durable integrated package.