While the modifications of wooden passenger and cargo trains were done by Japanese craftsmen with woodworking skills from the start of the opening however, steam engine production made progress as they learned and gained the skills of modern technology.
車輌は、木造客車や貨車の改造は木工技術があったので開通当初から実行していたが、蒸気機関車の製作は近代技術の習得に応じて進んでいった。