A transmission system for a vehicle, comprising an input shaft (M in) which can be connected to a drive source, and an output shaft (M out) which can be connected to a load, and comprising: - a clutch module which has an input (C in) that is connected to the input shaft and a first and a second output (C out1, C out2), as well as first clutch means which are located between the input and the first output and second clutch means which are located between the input and the second output and are parallel to the first clutch means, and gear stage means which are located between the input and the first output and are parallel to the second clutch means, as well as - a transmission module having a first and a second input (T in1, T in2) and an output (T out) that is connected to the output shaft, as well as a first sub-transmission which is located between the first input and the output and a second sub-transmission which is located between the second input and the output and is parallel to the first sub-transmission, - where the first output (C out1) of the clutch module is connected to the first input (T in1) of the transmission module and the second output (C out2) of the clutch module is connected to the second input of the transmission module, and - where the first and second sub-transmissions (T1, T2) each comprise an input shaft and an output shaft which are connected to the inputs and output of the transmission module and each comprise at least one gear stage (I1, I2), which gear stages are located between the input and output shafts, wherein the first clutch means are formed by a first clutch and the gear stage means are formed by a main gear stage, characterized in that the transmission system comprises an intermediate clutch which is located between the two inputs (T in1, T in2) of the transmission module or between the two outputs (C out1, C out2) of the clutch module. - a clutch module which has an input (C in) that is connected to the input shaft and a first and a second output (C out1, C out2), as well as first clutch means which are located between the input and the first output and second clutch means which are located between the input and the second output and are parallel to the first clutch means, and gear stage means which are located between the input and the first output and are parallel to the second clutch means, as well as - a transmission module having a first and a second input (T in1, T in2) and an output (T out) that is connected to the output shaft, as well as a first sub-transmission which is located between the first input and the output and a second sub-transmission which is located between the second input and the output and is parallel to the first sub-transmission, - where the first output (C out1) of the clutch module is connected to the first input (T in1) of the transmission module and the second output (C out2) of the clutch module is connected to the second input of the transmission module, and - where the first and second sub-transmissions (T1, T2) each comprise an input shaft and an output shaft which are connected to the inputs and output of the transmission module and each comprise at least one gear stage (I1, I2), which gear stages are located between the input and output shafts,