Notes: Both of these buses were originally equipped with Cummins V555 (8-cylinder, naturally aspirated) diesel engines.  They were repowered with 5.9L, 210 h.p. Cummins ISB (inline 6 cylinder, turbocharged) diesel engines.  These buses have 4-speed Allison MT643 automatic transmissions, and air brakes.  These are both 89-passenger buses.