Farm Mechanization has been identified as one of the factors that can promote the achievement of food security among both developed and developing countries. However, with the current trend of sustainable agriculture that promote conservation agriculture (CA) some of the farm machineries are highly discouraged while others act as complements or substitutes to CA. This book elaborates on some of the factors to consider in the use and utilization of a farm machine. This book walks the audience on the different farming tasks, the objective of the task and the best machinery to use to achieve this task while at the same time considering cost and environmental sustainability. The book also identifies the different issues such as Environment, Gender, Economic, Policy and Institutional issues that are related to agricultural mechanization. The understanding of these issues helps stakeholders to design policies and products that are tailored to the needs of farmers. By helping the users of the book understand the effect of farm machinery use, this book can be used to guide proper adoption of farm machinery.