Abstract
It is known that one of the most effective ways to improve the traction performance of wheeled vehicles is to increase the area of contact between the propeller and the supporting surface. The performance indicators from the use of tires of increased dimension are presented, by reducing the level of unproductive losses for self-movement, slipping and processing of over-compacted soil along the tire track. The results of comparative assessments of traction and operational and technological indicators of the T-150K tractor on plowing with serial tires of dimension 21.3R24 and tires 66x43R25 with DW36x25 disks are presented. As a result of the study, an increase in the traction efficiency of the tractor on a stubble background by 11 - 44.5% was obtained. An increase of 1.36 times in the traction force developed by the tractor compared to the serial version with a slipping level of 15% was obtained. Comparative evaluation of performance indicators found that when working with a 5-furrow plow, the performance of the unit with 66x43R25 tires was 40% higher than that of the serial sample, and per hectare fuel consumption was 38% lower. When working with a 4-furrow plow, the differences in productivity by options amounted to 36%, and specific fuel consumption - 32%.
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