Multi-clutch transmission (100, 200) for a heavy duty motor vehicle with at least one prime mover, such as wheel loaders and/or articulated haulers, said multi-clutch transmission is provided with; - a first and a second input frictional clutch (113, 114), - input means for a driving connection of said prime mover and said first and second frictional clutches (113, 114), - a main transmission having - a first and a second rotational axis (301, 302) about which a main shaft and a countershaft are arranged respectively, - an output shaft, and connection means for establishing a driving connection between said main shaft and said output shaft, and - at least two input shafts (121,122) that are connected to said first and second input frictional clutch (113, 114), - a reverse shaft provided with a first reverse gear wheel, said first and second input frictional clutch (113, 114) is adapted to be in driving connection with said main shaft and said countershaft respectively, wherein said main transmission is provided with at least four forward speed ratios, between which sequential power shifts can be carried out, characterized in that said reverse shaft is parallel and adjacent to said main shaft and said countershaft, and wherein said first reverse gear wheel is arranged upon said reverse shaft, wherein one gear wheel in said main transmission is arranged upon said counter shaft and is meshing with a first secondary gear wheel upon said main shaft and said first reverse gear wheel upon said reverse shaft, and wherein said reverse shaft is provided with a second reverse gear wheel, which is able to transfer power to a third reverse gear wheel upon said output shaft, wherein a second loose gear wheel is provided upon the countershaft, and wherein said one gearwheel and said second loose gear wheel can be engaged with each other through a first gear wheel clutch, such that said second loose gear wheel and said one gear wheel is rotationally fixed to each other, and such that said one gear wheel transfers power in all reverse speed ratios and in at least two forward speed ratios, and such that shifts between at least four sequential reverse speed ratios can be carried out with a continuous power transfer between said input means and said output shaft. - a first and a second input frictional clutch (113, 114), - input means for a driving connection of said prime mover and said first and second frictional clutches (113, 114), - a main transmission having - a first and a second rotational axis (301, 302) about which a main shaft and a countershaft are arranged respectively, - an output shaft, and connection means for establishing a driving connection between said main shaft and said output shaft, and - at least two input shafts (121,122) that are connected to said first and second input frictional clutch (113, 114), - a reverse shaft provided with a first reverse gear wheel, - a first and a second rotational axis (301, 302) about which a main shaft and a countershaft are arranged respectively, - an output shaft, and connection means for establishing a driving connection between said main shaft and said output shaft, and - at least two input shafts (121,122) that are connected to said first and second input frictional clutch (113, 114), - a reverse shaft provided with a first reverse gear wheel,