sentences:  The transmission incorporates a Voith KB260/r hydrodynamic brake.This traction package gives the Xplorer a maximum speed of 160 km/h (100 mph) but in service this is limited to 145 km/h (90 mph).An auxiliary 135 kW Cummins LT10R(G) diesel engine drives a Newage Stamford UCI274F alternator to supply power for the air conditioning and lighting.