The purpose of the research is to develop a multifunctional simulator built on a modular basis with a high degree of unification, contributing to increased efficiency and improved quality of training for specialists in the agro-industrial complex. To achieve this goal, the specifics of the formation of technological skills in agricultural production have been investigated, the functional properties of existing simulators for training specialists in agriculture have been analyzed, the optimal option for building a training simulator has been substantiated, and the collaboration of technical means and specialized computer programs has been implemented. During the development of the simulator,the standard control units for agricultural machines of the Don-680M forage harvester, the FCM F2650 and the ACROS 530/580 combine harvester, Logitech G923 devices, the Logitech G Saitek Pro Flight Throttle Quadrant, and an HP 255 personal computer were used. The COMPASS-3D program was used to design the structural scheme. The SIM CRAFT and Farming Simulator programs were used as specialized software. To implement the collaboration of the simulator computer and control modules, a mechanism for their interaction was developed. The experimental simulator has been developed for training specialists in working professions and developing effective production skills. The work was carried out on testing the simulator at the training center for specialists of the Institute of Mechanics and Power Engineering of the Ogarev Moscow State University, students studying the field of training on 35.03.06 "Agroengineering" as part of the development of a working profession under the training program "Tractor machinist of agricultural production of the BCDF category". As a result of using the simulator, students achieved better adaptation to practical exercises, more confident control of the tractors and combines at a real tractor range.