The research and development investment of agricultural machinery forgings requires funds according to the specific project needs and research and development scale, it is difficult to give a specific figure. Generally speaking, the research and development investment of agricultural machinery forgings includes the cost of technical research, equipment purchase, personnel compensation, raw material procurement and so on. In terms of technical research, it is necessary to conduct material performance testing and product design, which may require hiring professional engineers and research and development teams to provide corresponding salaries and benefits. In terms of equipment purchase, it may be necessary to purchase relevant laboratory equipment, measurement tools, etc., and it is also necessary to consider the operation and maintenance costs of the equipment. In addition, a certain amount of money needs to be invested in the procurement and processing costs of raw materials. In short, the research and development investment of agricultural machinery forgings varies according to the specific project, and budget planning can be carried out according to the specific situation. It is recommended that you develop a scientific and reasonable R&D investment plan in combination with specific needs, market research and financial status.