Geometric performance parameters of three-point hitch linkage system of a 2WD Indian tractor

G.V. Prasanna Kumar
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G.V. Prasanna Kumar: Department of Agricultural Engineering, Triguna Sen School of Technology, Assam University, Silchar, Assam, India

Research in Agricultural Engineering, 2015, vol. 61, issue 1, 47-53

Abstract: Geometric performance parameters of three-point hitch system of a most sold model of a 2-wheel drive Indian tractor were determined by generating the path of upper and lower hitch points by kinematic linkage analysis. At various locations of pivot point of upper link and adjustments in the length of lift rods, hitch linkage system of the tractor fulfilled all the requirements specified by the standards for category-I and II hitches. An insight into the kinematic linkage analysis revealed that the hitch linkage of the selected tractor is the most suitable for operations with soil working implements. Attachment of upper link to the topmost pivot point reduced the change in orientation of implement during lifting and ensured better weight transfer from implement to the rear axle of tractor. The kinematic linkage analysis has the potential to identify the best settings of the hitch linkage system for the effective utilization of tractor power during various farm operations.

Keywords: kinematic linkage analysis; Newton-Raphson solution; virtual hitch point; vertical convergence distance; mechanical advantage (search for similar items in EconPapers)
Date: 2015
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DOI: 10.17221/79/2012-RAE

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