<prompt> Translate the following text to SwahiliPrior to reaching production for its Signature 600 engine, Cummins used many prototypes to complete hundreds of thousands of test hours, accumulating millions of test miles.  <response>: Kabla ya kufikia uzalishaji wa injini yake ya Signature 600, Cummins ilitumia prototypes nyingi kukamilisha mamia ya maelfu ya masaa ya majaribio, kukusanya mamilioni ya maili ya majaribio. 