The paper highlights the results of studies on the creation of a measuring complex suitable for experimental studies of the towing and coupling and dynamic properties of wheeled tractors operated in difficult geological conditions of peat deposits of various degrees of drainage. The conceptual solutions for the layout of the measuring complex, which allows carrying out field measurements of the kinematic and dynamic parameters of machine-tractor units, to measure the hook force and torque on the power take-off shaft, are presented. Solutions are proposed to support the testing process with auxiliary devices that create hook loads on tractors. The requirements for the organization of a technological site for conducting traction tests of wheeled tractors are given. As a result of the research work, a test procedure was developed; the issues of metrological support of research and processing of experimental data were resolved.