Fluid flow and heat transfer disciplines are increasingly becoming important in the development of agricultural and construction equipment (AG&CE). This technology solves problems related to cooling, engine intake and exhaust, HVAC, sizing/shaping ducts, fans, farming implements, etc. Lately, the use of Computational Fluid Dynamics (CFD) simulation tools early in the product development has been reducing product evaluation and development times significantly. This paper highlights the successful application of CFD tools to solve various problems in the agricultural and construction machinery development process. It also briefly describes the integration of CFD with the product development.