This paper analyzes peculiarities of wheel interaction with the terrain for 4WD tractors working with front-mounted loaders. When
tractor wheels are loaded by a vertical forces that do not correspond to the specified proportions, deformations of front and rear tires
also do not correspond to the specified proportions, and this leads to a kinematic discrepancy because of change in ratio between driving
wheels’ rolling radiuses. In case of kinematic discrepancy, wheel slip/skid is taking place. In the paper test results are presented, how
driving wheels’ slip/skid of 4WD tractors with front-mounted loaders depend on the vertical loads acting on the wheels and their tire
inflation pressures. It was determined that there are dependences on relation between front and rear tire pressures, which allow avoiding
wheel slip/skid for the 4WD tractor with front-mounted loader that runs without a load and transports loads. By preparing a tractor for
work with front-mounted loader, it is advisable for operator to select a set of tires that would ensure the lead of front wheels lesser com
This paper analyzes peculiarities of wheel interaction with the terrain for 4WD tractors working with front-mounted loaders. When
tractor wheels are loaded by a vertical forces that do not correspond to the specified proportions, deformations of front and rear tires
also do not correspond to the specified proportions, and this leads to a kinematic discrepancy because of change in ratio between driving
wheels’ rolling radiuses. In case of kinematic discrepancy, wheel slip/skid is taking place. In the paper test results are presented, how
driving wheels’ slip/skid of 4WD tractors with front-mounted loaders depend on the vertical loads acting on the wheels and their tire
inflation pressures. It was determined that there are dependences on relation between front and rear tire pressures, which allow avoiding
wheel slip/skid for the 4WD tractor with front-mounted loader that runs without a load and transports loads. By preparing a tractor for
work with front-mounted loader, it is advisable for operator to select a set of tires that would ensure the lead of front wheels lesser com
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