Patent ID: 8584543

Claim:
A drive train ( 1 ) of a motor vehicle having an engine ( 5 ), a gearbox ( 10 ) and driven vehicle wheels ( 42 ), the gear box ( 10 ) including a dual clutch transmission structure ( 15 ) having two parallel gear transmissions ( 20 , 30 ) with a common end shaft ( 35 ), an auxiliary transmission structure ( 50 ) having a single input shaft ( 51 ) connected to, or forming an extension of, the end shaft ( 35 ) of the dual clutch gear transmission structure ( 15 ) and including at least two shift positions with different transmission ratios and a single shifting mechanism ( 56 ) for shifting the auxiliary transmission between the at least two shift positions, the auxiliary transmission structure ( 50 ) being drive-connected to the driven vehicle wheels ( 42 ) via an output shaft ( 13 ).