From: gl4317@yahoo.com   
      
   In article , bob  wrote:   
      
   > To get the necessary performance, the RDC needed two engines.  Each was   
   > a 6 cylinder 10.8 L 275 hp (later models 300 hp).  A modern engine of a   
   > similar size might be the MTU 6R 183 TD, with 6 cylinder, 11 L, 422 hp   
   > and meeting modern emissions standards.  Larger engines are available,   
   > for example the Cummins QSK19, a 19 L 6 cylinder 750 hp engine used in   
   > a number of under-floor engine DMUs.  I can't find figures for fuel   
   > consumption, but I'll wager the modern engines are significantly   
   > better.  Twin engine DMU vehicless are definitely a thing of the past.   
      
      
   The thing is that with FRA car bodies the 422 hp would probably not be   
   enough.  The newest LIRR EMU cars are somewhere around 1,200 horsepower   
   to meet the performance they want.   
      
   The Budd RDC also drove the inside axle of each truck, so at least two   
   axles were driven.   
      
   With a single engine, would you transmit the power to two trucks?  Or   
   would you transmit it to a single truck and link the axles so that both   
   axles on that truck are powered?   
      
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