The collection consists of seven articles, which are a continuation of a series of works placed in the previous first collection of the same name (works by us, issue . 73, 1965 g. ), and devoted to the theoretical issues of construction of a generalized method for calculating the loss resistance to rolling of cars and road trains by different types of drive and the number of axles. In the first article, the method of finding generalized rolling parameters of cars and road trains with a non-symmetrical differential drive is given. The remaining six articles are devoted to the analysis of the interrelationships of rolling parameters of cars and motor trains with fully blocked drive. In particular, the second and third article consider ways to determine the respectively generalized rolling radius and torques on the wheels of vehicles with blocked water in the driven mode. In the fourth and fifth articles, the methods of finding, respectively, generalized radiusing and torques on the wheels of vehicles with a blocked drive in the general case of motion . are described. The sixth article discusses the mathematical criteria that can serve as signs of the emergence or termination of the power circulation of the locked drive of cars and road trains. In the seventh article, the conclusion of the formula of the rolling resistance coefficient of the wheeled vehicle with a fully blocked towing mode drives as one of the initial rolling parameters when using the generalized method of calculating rolling losses.