Abstract
The description of theoretical and experimental studies of operational indicators of arable units assembled from Deutz-Fahr Agrotron TTV 9340, Claas Axion 930, Case Magnum 340 tractors with a domestic general-purpose ploughshare plow PBS-10P is given. All tractors have a 4K4a wheel formula, and the rear wheels are paired. The power of the tractor engine ranges from 247 to 254 kW. The possibility of their almost equivalent use on the main dump tillage with a PBS-10P plow with a capacity of 4.4-5.0 ha/h and fuel consumption of 8.5-8.7kg/ha has been established. The efficiency of arable units at a speed of 2.2 m /s equal to Deutz-Fahr Agrotron TTV 9340+PBS-10P 0.734; Claas Axion 930+ PBS-10P 0.714 and Case Magnum 340+PBS-10P 0.726 characterizes the level of effective engine loading. The quality of the technological process of dump plowing of the field after harvesting sunflower meets the established agrotechnical requirements.
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