Reliability isn’t just a convenience - Its a Lifeline. WorldWide Electric is a leading manufacturer of AC synchronous generators, often called generator-ends or alternators. They are interchangeable with Marathon, Stamford® Newage and Onan generators, as well as other generator manufacturers. Single Bearing Generators Double Bearing Generators Pancake Style Generators They provide exceptional performance and reliability, with consistent power for standby and continuous-duty industrial, marine, irrigation, mobile, or light-tower (Pancake) applications.