Twin Disc, Inc. is a leading manufacturer and distributor of marine propulsion products and total vessel management systems. The product line consists of Twin Disc QuickShift® Marine Transmissions, Power Commander® Electronic Propulsion controls, Arneson Surface Drives, BCS Marine Hydraulics, Rolla propellers, Marine Control Drives (MCD) and is now authorized to offer Veth Thrusters. For nearly a century we have been making boats perform better and more reliably. Our in-depth knowledge of all types of marine craft - pleasure and commercial - and the various owner, operator and task requirements has lead to the development of successful and relevant products. And, Twin Disc offers one of the most extensive sales and service networks worldwide including manufacturing facilities on three continents. At Twin Disc, "We Put Horsepower to Work™"