Abstract
The article presents the results of analytical studies of the traction characteristics of wheeled tractors with a power of 50-75 kW located in the same traction class 1.4. Empirical expressions are obtained for the dependence of the tractive effort of the Case IH Farmall JX 1090U, Challenger MT 425, Massey Ferguson 4225, New Holland TD 5030 MTZ-80, MTZ-82 tractors on the travel speed. The dependence of the traction resistance of a three-body plow PLN-3-35 on the speed of movement, aggregated with tractors of traction class 1.4, has been determined. As a result of the graphic-analytical analysis, the optimal loading mode for each tractor was established when working with a PLN-35 plow, 1.05 m wide at a depth of 0.30 m. The hourly productivity of arable units and the energy intensity of the main moldboard tillage are determined. A comparison of the obtained operational indicators is given.
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