Abstract: The article presents comparative calculated and experimental analyses of automatic V-belt variators of transport vehicles. It is established that the adjustment range of variators largely depends on the elements of pressure devices, which affects performance criteria of vehicles. © Allerton Press, Inc. 2024. ISSN 1068-798X, Russian Engineering Research, 2024, Vol. 44, No. 1, pp. 23–27. Allerton Press, Inc., 2024. Russian Text The Author(s), 2023, published in Vestnik Mashinostroeniya, 2023, No. 11, pp. 905–909.