The main objective of this research is to increase the head and efficiency of the pump so that the cooling system of a tractor can be improved. Centrifugal pumps are the most commonly used turbomachinery devices. They are utilized to raise the pressure or induce flow in a manipulate volume. The experimental setup was established at the industry to calculate the head and efficiency of the pump at various speeds and discharges. Later the CAD models of the mixed flow impeller using CAD modelling software Solidworks were developed and simulation were carried out with specified boundary conditions using ANSYS CFX software. The velocity and pressure in the outlet of the impeller could be predicted. All the experimental and simulation data are validated as the results of the head and efficiency were closer to each other. Hence, it could be predicted that what parameters are selected for improvement in the head and efficiency of the pump.