Thrustmaster has been building brown water propulsion equipment for more than 30 years. Now the company’s American-made Z-Drive thrusters for inland waterway towboats are the first thruster in the industry to include a built-in mechanical fuse or quick release coupling. The incorporation of a quick release coupling at the input shaft of the Z-drive gives operators the added protection from the inevitable debris that can line the riverbed. The quick release coupling acts as a mechanical fuse whenever the drive line is blocked…