This synthesis report comprises of the proceedings of the 5th Regional Forum on Sustainable Agricultural Mechanization in Asia and the Pacific, held on 12-14 December 2017 in Kathmandu, Nepal. It was prepared by a team at the Centre of Sustainable Agricultural Mechanization (CSAM) under the overall guidance of Dr. Li Yutong, Head of CSAM. The original presentations and speeches were provided by the respective participants/speakers.